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Manuale per l’uso Brocade Communications Systems ICX 6650

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  • Brocade Communications Systems ICX 6650 - page 1

    53-1 002603-0 1 28 Sept ember 20 12 ® Brocade ICX 6650 La y er 3 Routing Conf iguration Guide Suppor ting F astIron So f tware R elease 0 7 .5.00 ...

  • Brocade Communications Systems ICX 6650 - page 2

    Copyright © 20 12 Brocade Communicatio ns Systems, Inc. All Rights Reser ved. Brocade, Brocade Assurance, the B-wi ng symbol, BigIron, DCX, Fabric OS, FastIron, MLX, NetIron, SAN Health, Ser verIron, T urboIron, V CS, and VDX are registered trad emarks, and AnyIO, Brocade One, CloudPlex, Effor tless Networking, ICX, NET Health, OpenScript, and The ...

  • Brocade Communications Systems ICX 6650 - page 3

    Brocade ICX 6650 Layer 3 Routing Configuration Guide iii 53-1002603-01 Contents About This Document Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Suppor ted har dware and software . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Brocade ICX 6650 slot and port numbering . . . . . ...

  • Brocade Communications Systems ICX 6650 - page 4

    iv Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP paramet ers – Lay er 3 Switches . . . . . . . . . . . . . . . . . 19 Configuring IP addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Configuring 3 1-bit subnet masks on point-to-point netw orks . . . . . . . . . . . . . . . . . . . . . . ...

  • Brocade Communications Systems ICX 6650 - page 5

    Brocade ICX 6650 Layer 3 Routing Configuration Guide v 53-1002603-01 Chapter 2 Base Layer 3 and Routing Protocols Adding a static IP route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Adding a static ARP entr y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Modifying and displa ying Layer 3 sy st ...

  • Brocade Communications Systems ICX 6650 - page 6

    vi Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIPng timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159 Updating RIPng timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Rout e learning and advertising parameters . . . . . . . . . . . . . . . . . . 160 Confi ...

  • Brocade Communications Systems ICX 6650 - page 7

    Brocade ICX 6650 Layer 3 Routing Configuration Guide vii 53-1002603-01 Configuring default r oute origination . . . . . . . . . . . . . . . . . . . .205 Modifying SPF timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206 Modifying the redistribution metric ty pe . . . . . . . . . . . . . . . . . 20 7 Administrativ e distance . ...

  • Brocade Communications Systems ICX 6650 - page 8

    viii Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring the OSPF V3 LS A pacing interval . . . . . . . . . . . . . 2 45 Modifying exit o verflow interval . . . . . . . . . . . . . . . . . . . . . . . . . 2 45 Modifying ext ernal link state database limit . . . . . . . . . . . . . . 2 45 Modifying OSPF V3 int er face defa ...

  • Brocade Communications Systems ICX 6650 - page 9

    Brocade ICX 6650 Layer 3 Routing Configuration Guide ix 53-1002603-01 Adv er tising the default rout e . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 10 Changing the default MED (Metric) used for rout e redistribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1 0 Enabling nex t-hop recursion . . . . . . . . . . ...

  • Brocade Communications Systems ICX 6650 - page 10

    x Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 inf ormation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361 Displaying summary BGP4 infor mation . . . . . . . . . . . . . . . . . . 36 1 Displaying the activ e BGP4 configuration . . . . . . . . . . . . . . . .364 Displaying CPU utilization statis ...

  • Brocade Communications Systems ICX 6650 - page 11

    Brocade ICX 6650 Layer 3 Routing Configuration Guide xi 53-1002603-01 Comparison of VRRP and VRRP-E . . . . . . . . . . . . . . . . . . . . . . . . . . 420 VRRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420 VRRP-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Brocade Communications Systems ICX 6650 - page 12

    xii Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 ...

  • Brocade Communications Systems ICX 6650 - page 13

    xi About This Document The Brocade ICX 6650 is a ToR (Top of Rack) Ethern et switch for campus LAN and classic Ethernet data center environments. Audience This document is designed f or system administ rators with a working kno wledge of Lay er 2 and Lay er 3 switching an d routing. If you are using a Brocade Lay er 3 Sw itch, you should be familia ...

  • Brocade Communications Systems ICX 6650 - page 14

    xii Brocade ICX 6650 slot and port numbering • Slot 2 is located on the back of the Brocade I CX 6650 device and contains ports 1 through 3 on the t op row and port 4 on the bottom r ow . These por ts are 2x40 GbE QSFP+. Refer t o the follo win g figure. • Slot 3 is located on the back of the Brocade IC X 6650 device and contains ports 1 throug ...

  • Brocade Communications Systems ICX 6650 - page 15

    Brocade ICX 6650 Layer 3 Routing Configuration Guide xiii 53-1002603-01 Brocade ICX 6650 slot and port numbering Document conventions This section describes te xt formatting con venti ons and important notice formats u sed in this document. Text formatting The narrative-t ext formatting con ven tions that are used are as f ollows: bold tex t Identi ...

  • Brocade Communications Systems ICX 6650 - page 16

    xiv Brocade ICX 6650 slot and port numbering ATTENTION An Att ention statement indicates po tential damage to har dware or data. CAUTION A Caution stat ement aler ts y ou to situations that can be potentially hazardous t o you or cause damage to har dware, firmware, sof tware, or data. DANGER A Danger stat ement indicates conditions or situations t ...

  • Brocade Communications Systems ICX 6650 - page 17

    Brocade ICX 6650 Layer 3 Routing Configuration Guide xv 53-1002603-01 Brocade ICX 6650 slot and port numbering • Brocade ICX 665 0 Diagnostic Ref erence • Unified IP MIB Reference • Por ts-on-Demand Li censing for the Brocade ICX 6650 The latest v ersions of these guides are post ed at http://www .brocade.com/ethernetproducts . Additional inf ...

  • Brocade Communications Systems ICX 6650 - page 18

    xvi Brocade ICX 6650 slot and port numbering Document feedback Quality is our first concern at Brocade and we ha ve made ev er y ef fort to ensure the accuracy and complet eness of this document. How ever , if you find an error or an omission, or you think that a topic need s fur ther deve lopment, we want t o hear fr om you. Forward yo ur feedback ...

  • Brocade Communications Systems ICX 6650 - page 19

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 1 53-1002603-01 Chapter 1 IP Configuration Ta b l e 1 lists the IP features B rocade ICX 6650 de vi ces suppor t. These f eatures are suppor ted with the full Lay er 3 sof tware image, e xcept where e xplicitly noted. TA B L E 1 Suppor t ed IP feat ures Feature Brocade ICX 6650 BootP/DHCP relay Y ...

  • Brocade Communications Systems ICX 6650 - page 20

    2 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP configuratio n NOTE The terms L ayer 3 Switch and route r are used inte r changeably in this chapter and mean the same. Basic IP configuration IP is enabled b y default. Basic configuration consis ts of adding IP addresses fo r Layer 3 Switches, enabling a rout e exchange ...

  • Brocade Communications Systems ICX 6650 - page 21

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 3 53-1002603-01 IP configuration overview • Route e xchange prot ocol s: - Routing Inf ormation Prot ocol (RIP) - Open Shor test Path Fir st (OSPF) - Border G atew ay Pr otocol v ersion 4 (BGP4) • Multicast pro tocols: - Interne t Group Membership Pr otocol (IGMP) - Pro tocol Independent Mu l ...

  • Brocade Communications Systems ICX 6650 - page 22

    4 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview Y ou can use any of the IP addresses you configure on the Layer 3 Switch for T elnet, or SNMP access. Layer 2 Switches Y ou can conf igure an IP address on a Brocade Lay er 2 Switch for management access to the La yer 2 Switch. An IP address is required ...

  • Brocade Communications Systems ICX 6650 - page 23

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 5 53-1002603-01 IP configuration overview IP packet flow through a Layer 3 Switch Figure 1 shows how an IP packet mo ves through a Br ocade Layer 3 Switch. FIGURE 1 IP Packet flow through a Brocade Layer 3 Switch Figure 1 s how s t he fol low in g p ac ket fl ow: 1. When the La yer 3 Switch recei ...

  • Brocade Communications Systems ICX 6650 - page 24

    6 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview 3. If the session table does no t contain an entr y that matches the packe t source address and T CP or UDP por t, the La yer 3 Switch looks in the IP forwarding cach e for an entry that matches the pack et destination IP address. If the f or warding cac ...

  • Brocade Communications Systems ICX 6650 - page 25

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 7 53-1002603-01 IP configuration overview Static ARP table In addition t o the ARP cache, Layer 3 Switches ha ve a static ARP table. Entries in the static ARP table are user-configured . Y ou c an add entries to the static ARP tab le regardless of whether or not the device the entr y is for is co ...

  • Brocade Communications Systems ICX 6650 - page 26

    8 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview The IP rout e table contains the best path to a destination: • When the sof tware receiv es paths from more than one of the sour ces listed above, the soft ware com pares the administrative distance of each path and selects the path with the lowest adm ...

  • Brocade Communications Systems ICX 6650 - page 27

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 9 53-1002603-01 IP configuration overview Each IP forward ing cache entr y contains the IP address of the destination , and the IP address and MA C address of the next-hop ro uter int er face to th e destination. If the desti nation is actually an interface configured on the Layer 3 Sw itch itsel ...

  • Brocade Communications Systems ICX 6650 - page 28

    10 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview IP multicast protocols Brocade Lay er 3 Sw itches also suppor t the f ollowing Internet Group Membership Protocol (IGMP) based IP multicast pr otocol s: • Pro tocol Independent Mult icast – Dense mode (PIM-DM) • Pro tocol Independent Multic ast ? ...

  • Brocade Communications Systems ICX 6650 - page 29

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 11 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches Basic IP parameters and defaults – Layer 3 Switches IP is enabled by default. The f ollowing IP-b ased pr otocols are all disabled b y default: • Routing prot ocols: - Routing Inf ormation Prot ocol (RIP) – refer t o Cha ...

  • Brocade Communications Systems ICX 6650 - page 30

    12 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches TA B L E 2 IP global para meter s – Layer 3 Switc hes Parameter Description Default For more information IP state The Internet Prot ocol, ver sion 4 Enabled NOTE: Yo u c a n n o t disable IP . n/a IP address and mask notatio ...

  • Brocade Communications Systems ICX 6650 - page 31

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 13 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches Static ARP entries An ARP entry you place in the static ARP table. Static entries do no t age out. No entries page 39 Time to Live (TTL) The maximum number of route r s (hops) thr ough which a packet can pass before being disc ...

  • Brocade Communications Systems ICX 6650 - page 32

    14 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches Static RARP entries An IP address you place in the RARP tabl e for RARP requests fr om hosts. NO TE: Y ou must enter the RARP entr ies manually. The Lay er 3 Switch does not have a mechanism f or learning or dynamicall y gener ...

  • Brocade Communications Systems ICX 6650 - page 33

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 15 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches IP interface parameters – Layer 3 Switches Ta b l e 3 lists the interface-lev el IP parameters f or Layer 3 Switches. Static r oute An IP rout e you place in the IP route table. No entries page 45 Source inter face The IP ad ...

  • Brocade Communications Systems ICX 6650 - page 34

    16 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches DHCP gate way stamp The rout er can assist DHCP/BootP Disco ver y pack ets from one subnet t o reach DHCP/BootP servers on a different subnet by placin g the IP address of the router i nterface that receives the request in the ...

  • Brocade Communications Systems ICX 6650 - page 35

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 17 53-1002603-01 Basic IP parameters and defaults – Layer 2 Switches Basic IP parameters and defaults – Layer 2 Switches IP is enabled by default. The f ollowing tables list the La yer 2 Switch IP parameters, their default values, and where to find configuration information. NOTE Brocade La y ...

  • Brocade Communications Systems ICX 6650 - page 36

    18 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 2 Switches Domain name for D o ma i n Name Server (DNS) resol ver A domain name (e xample: brocade.r outer .com) you can use in place of an IP addr ess for cer tain operations such as IP ping s, trace routes, an d T elnet management conn ...

  • Brocade Communications Systems ICX 6650 - page 37

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 19 53-1002603-01 Configuring IP parameters – Layer 3 Switches Interface IP parameters – Layer 2 Switches Ta b l e 5 lists the interface-lev el IP parameters f or Layer 2 Switches. Configuring IP parameters – Layer 3 Switches The follo wing sections describe how t o configure IP parameters. ...

  • Brocade Communications Systems ICX 6650 - page 38

    20 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade de vices suppor t both classical IP network masks (Class A, B, and C s ubnet masks, and so on) and Classless Int erdomain Rout ing (CIDR) network prefix masks: • T o enter a classical netw ork mask, enter the ma sk in IP ad ...

  • Brocade Communications Systems ICX 6650 - page 39

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 21 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE All physical IP int er faces on Brocade La yer 3 de vices share the same MAC address. F or this reason, if more than one connection is made betw een two devices, one of which is a Br ocade Lay er 3 device, Brocade recommends the ...

  • Brocade Communications Systems ICX 6650 - page 40

    22 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade(config)# vlan 2 name IP-Subnet_10.1.2.0/24 Brocade(config-vlan-2)# untag ethernet 1/1/1 to 1/1/4 Brocade(config-vlan-2)# router-interface ve1 Brocade(config-vlan-2)# interface ve1 Brocade(config-vif-1)# ip address 10.1.2.1/24 ...

  • Brocade Communications Systems ICX 6650 - page 41

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 23 53-1002603-01 Configuring IP parameters – Layer 3 Switches For number , enter the ID of the vir tual routing int er face. Use the no f orm of the command to disable the configuration. Vir tual routing int er face 2 and 3 do not have their own IP su bnet addresses, but are s haring the IP add ...

  • Brocade Communications Systems ICX 6650 - page 42

    24 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Y ou can a lso enter the IP address and mask in the Classles s Inter -domain Routing (CIDR) format, as follows. Brocade(config-if-e10000-1/1/5)# ip address 10.10.9.9/31 Syntax: [ no ] ip address ip-address ip-mask Syntax: [ no ] ip a ...

  • Brocade Communications Systems ICX 6650 - page 43

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 25 53-1002603-01 Configuring IP parameters – Layer 3 Switches Displaying information for a 31-bit subnet mask Use the f ollowing commands to displa y in formation f or the 3 1-bit subnet mask: • show run interface • show ip rout e • show ip cache Configuring DNS resolver The Domain Name S ...

  • Brocade Communications Systems ICX 6650 - page 44

    26 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 3 DNS resolution with one domain name Defining a domain name T o define a domain to reso lve host names, ent er the ip dns domain-name command. Brocade(config)# ip dns domain-name ds.company.com Syntax: [ no ] ip dns domain-na ...

  • Brocade Communications Systems ICX 6650 - page 45

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 27 53-1002603-01 Configuring IP parameters – Layer 3 Switches Defining a domain list If you w ant to use more than one domain name t o resolve host name s, you can creat e a list of domain names. For e xample, enter th e commands such as the follo wing. Brocade(config)# ip dns domain-list compa ...

  • Brocade Communications Systems ICX 6650 - page 46

    28 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring packet parameters Y ou can configure the follo wing packet paramet ers on Layer 3 Switches . These parameters con trol how the La yer 3 Switch sends IP pack ets to o ther devices on an Ethernet netw ork. The Lay er 3 Swit ...

  • Brocade Communications Systems ICX 6650 - page 47

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 29 53-1002603-01 Configuring IP parameters – Layer 3 Switches The default MTU is 1500 byt es for Ethernet II packets and 1 492 for Ethernet SNAP packets. MTU enhancements Brocade devices contain the follo wing en hancements to jumbo pack et suppor t: • Hardw are forwarding of La yer 3 jumbo p ...

  • Brocade Communications Systems ICX 6650 - page 48

    30 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade(config)# jumbo Brocade(config)# write memory Brocade(config)# end Brocade# reload Syntax: [ no ] jumbo NOTE Y ou must save the configuration change and then reload the software t o enable jumbo suppor t. Changing the MTU on a ...

  • Brocade Communications Systems ICX 6650 - page 49

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 31 53-1002603-01 Configuring IP parameters – Layer 3 Switches Changing the router ID In most co nfigurations, a Layer 3 Switch has multip le IP addresses, usually configure d on dif ferent interfaces. As a result, a Lay er 3 Switch identity to other devices v aries depending on the interface to ...

  • Brocade Communications Systems ICX 6650 - page 50

    32 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • T AC AC S / T AC AC S + • TFTP • RADIUS • Syslog • SNTP • SSH • SNMP traps Y ou can configure the Lay er 3 Switch to al ways us e the lowest-numbered IP address on a specific Ethernet, loopback, or v ir tual interface ...

  • Brocade Communications Systems ICX 6650 - page 51

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 33 53-1002603-01 Configuring IP parameters – Layer 3 Switches TACACS/TACACS+ packets T o specify the lowest-numbered IP address configur ed on a vir tual interface as the device source for all T ACA CS/T ACA CS+ packe ts, enter commands such as the f ollowing. Brocade(config)# interface ve 1 Br ...

  • Brocade Communications Systems ICX 6650 - page 52

    34 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Syslog packets T o specify the lowest-numbered IP address configur ed on a vir tual interface as the device source for all Sy slog pack ets, en ter commands such as the f ollowing. Brocade(config)# interface ve 1 Brocade(config-vif-1 ...

  • Brocade Communications Systems ICX 6650 - page 53

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 35 53-1002603-01 Configuring IP parameters – Layer 3 Switches The commands in this example configure loopback interface 2, assign IP address 1 0.0.0.2/2 4 to the interface, then designate the inter face as the sour ce for all SSH pack ets from the Layer 3 Switch. Syntax: [ no ] ip ssh source-in ...

  • Brocade Communications Systems ICX 6650 - page 54

    36 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches For e xample, to f or ward a pack et wh ose destinatio n is multiple router hops a way , the Lay er 3 Switch must send the packe t to the next-hop r outer towar d its destination, or t o a default rout e or default netw ork route if ...

  • Brocade Communications Systems ICX 6650 - page 55

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 37 53-1002603-01 Configuring IP parameters – Layer 3 Switches T o prevent the CPU fr om becoming flooded by ARP pa ck ets in a busy network, you can restrict the number of ARP pack ets the device will accept each second. When you config ure an ARP rate limit, the device accepts up to the maximu ...

  • Brocade Communications Systems ICX 6650 - page 56

    38 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Enabling proxy ARP Pro xy ARP allows a La yer 3 Switch to answ er ARP requests from devices on one network on behalf of devices in another network. Since ARP requests are MA C-lay er broadcasts, they reach only the devic es that are ...

  • Brocade Communications Systems ICX 6650 - page 57

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 39 53-1002603-01 Configuring IP parameters – Layer 3 Switches Enabling local proxy ARP Brocade de vices suppor t Pr oxy A ddress Resolution Protocol ( Proxy ARP ), a f eature that enables rout er por ts to respond to ARP requests f or subnets it can reach. Howe ver , rout er por ts will not res ...

  • Brocade Communications Systems ICX 6650 - page 58

    40 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches The num parameter specifies the entry number . Y ou can specify a number from 1 up t o the maximum number o f static entrie s allo wed on the de vice. The ip-addr paramet er specifies the IP address of the device that has the MAC add ...

  • Brocade Communications Systems ICX 6650 - page 59

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 41 53-1002603-01 Configuring IP parameters – Layer 3 Switches Changing the TTL threshold The time to live (TTL) threshold prev ents routing loops b y specifying the maximum numb er of router hops an IP pack et originated by the Layer 3 Swit ch can travel through. Each de vice capable of forwar ...

  • Brocade Communications Systems ICX 6650 - page 60

    42 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Strict source r outin g – requires the pack et to pass throug h only the listed rout ers. If the Lay er 3 Switch receiv es a strict source-r outed pack et but cannot reach the ne xt hop interface specified by the pack et, the L ...

  • Brocade Communications Systems ICX 6650 - page 61

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 43 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE Y ou must save the configuration and reload the so f tware to place this configuration change int o effect. Syntax: [ no ] ip br oadcast-zero Disabling ICMP messages Brocade de vices are enabled to reply to ICMP echo messages an ...

  • Brocade Communications Systems ICX 6650 - page 62

    44 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Source-r oute-failure – The device rece ived a source-ro uted packet but cannot locat e the next-hop IP address indicated in the packe t Source-Ro u te option. Y ou can disable the Broc ade de vice from sending these types of I ...

  • Brocade Communications Systems ICX 6650 - page 63

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 45 53-1002603-01 Configuring IP parameters – Layer 3 Switches T o disable ICMP redirect messages globally , en t er the following command at the global CONFIG lev el of the C LI: Brocade(config)# no ip icmp redirect Syntax: [ no ] ip icmp redirects T o disable ICMP redirect messages on a specif ...

  • Brocade Communications Systems ICX 6650 - page 64

    46 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Static IP route parameters When you configure a static IP r oute, yo u must specify the f ollowing parameters: • The IP address and netw ork mask for the route destination netw ork. • The rout e path, which can be one of the foll ...

  • Brocade Communications Systems ICX 6650 - page 65

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 47 53-1002603-01 Configuring IP parameters – Layer 3 Switches Static route states foll ow port states IP static routes remain in the IP route table only so long as the por t or vir tual interface used by the rout e is av ailable. If the por t or vir tual routing int er face becomes unavailable, ...

  • Brocade Communications Systems ICX 6650 - page 66

    48 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade(config)# ip route 192.168.2.71 255.255.255.0 ve 3 The comman d in the following example conf igures an I P static route that uses por t 1/1 /2 as its next hop. Brocade(config)# ip route 192.168.2.73 255.255.255.0 ethernet 1/1 ...

  • Brocade Communications Systems ICX 6650 - page 67

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 49 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring a “Null” route Y ou can configure the La yer 3 Switch t o drop IP pack ets to a specific netw ork or host address by configuring a “null” (sometim es called “null0”) static rout e for the ad dress. When the La ...

  • Brocade Communications Systems ICX 6650 - page 68

    50 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Back up Rout es – I f y o u c o n f ig u r e m u l ti p l e s t a ti c I P ro utes to the same destination, but giv e the rout es dif f erent next-hop gate wa ys and dif ferent metrics, the La ye r 3 Switch will alwa ys use the ...

  • Brocade Communications Systems ICX 6650 - page 69

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 51 53-1002603-01 Configuring IP parameters – Layer 3 Switches This feature is espe cially useful f or the follo w ing configurations. These are not the only allowed configurations but they are typical uses of this enhancement: • When you w ant to ensure that if a giv en destina tion ne twork ...

  • Brocade Communications Systems ICX 6650 - page 70

    52 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 5 Stan dard an d null st atic r outes to th e same destination networ k Figure 6 shows another example of tw o static routes. In this e xample, a standard static r oute and an interface-based static r oute are configured f or ...

  • Brocade Communications Systems ICX 6650 - page 71

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 53 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 6 Stan dard and inter face routes t o the same des tination ne twork T o configure a standar d static IP rout e and a null rout e to the same netw ork as shown in Figure 5 on page 52, enter commands such as the f o llowing. Br ...

  • Brocade Communications Systems ICX 6650 - page 72

    54 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring a default network route The La yer 3 Switch enables yo u to specify a candidat e default r oute without the need t o specify the next hop gat ewa y . If the IP r oute table does not contain an e xplicit default r oute (fo ...

  • Brocade Communications Systems ICX 6650 - page 73

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 55 53-1002603-01 Configuring IP parameters – Layer 3 Switches This ex ample shows two r outes. Bo th of the rout es are directly attached, as indicated in the T ype column. How ever , one of the rout es is shown as type “*D”, with an ast erisk (*). The asterisk indicates that this route is ...

  • Brocade Communications Systems ICX 6650 - page 74

    56 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Routes learned thr oug h BGP4 Administrative di stance for each IP route The administrative distance is a unique value associated with each type (source) of IP r oute. Each path has an administrative distan ce. The administrativ ...

  • Brocade Communications Systems ICX 6650 - page 75

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 57 53-1002603-01 Configuring IP parameters – Layer 3 Switches The source of a path cost value de pends on the sour ce of the path: • IP static rout e – The value y ou assign to the metric parameter when you configure the route. The default metric is 1. Ref er to “Configuring load balancin ...

  • Brocade Communications Systems ICX 6650 - page 76

    58 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • If the IP load f orwarding cache does not c ont ain a forwarding entry for the destination, the soft ware selects a path fr om among the availa ble equal-cost paths t o the destination, then creates a f or war ding entr y in the ...

  • Brocade Communications Systems ICX 6650 - page 77

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 59 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE Y ou can configure IRDP parameters only an indi vidual por t basis. T o do s o, IRDP must be disabled globally and enab led onl y on individual por ts. Y o u cannot configure IRDP parameters if the f eatu re is globally enabled. ...

  • Brocade Communications Systems ICX 6650 - page 78

    60 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Enabling IRDP on an individual port T o enable IRDP on an individual interface and change IRDP parame ters, enter command s such as the fo llowing. Brocade(config)# interface ethernet 1/1/3 Brocade(config-if-e10000-1/1/3)# ip irdp ma ...

  • Brocade Communications Systems ICX 6650 - page 79

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 61 53-1002603-01 Configuring IP parameters – Layer 3 Switches Reverse Address Resolution Protocol configuration The R everse A ddress Resolution Pr otoc ol (RARP) pro vides a simple mechanism f or directly-attached IP hosts to boot o ver the netw ork. RARP allows an IP host that does not hav e ...

  • Brocade Communications Systems ICX 6650 - page 80

    62 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Syntax: [ no ] ip rarp T o re-enable RARP , enter the f ollowing command. Brocade(config)# ip rarp Creating static RARP entries Y ou must conf igure the RARP entries for the RAR P table. The La yer 3 Switch can send an IP address in ...

  • Brocade Communications Systems ICX 6650 - page 81

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 63 53-1002603-01 Configuring IP parameters – Layer 3 Switches Y ou can configure the Layer 3 Switch to f o rward clients‘ requests to UDP application ser vers. T o do so: • Enable forwarding suppor t f or the UDP applicatio n por t, if forwarding support is not already enabled. • Configur ...

  • Brocade Communications Systems ICX 6650 - page 82

    64 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE Y ou also must configure a helper address on the in t er face that is connected t o the clients for the application. The Lay er 3 Switch cannot f or war d the requ ests unless you configure the helper address. R efer to “Confi ...

  • Brocade Communications Systems ICX 6650 - page 83

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 65 53-1002603-01 Configuring IP parameters – Layer 3 Switches T o configure a helper address on an int er face 2 on chassis module 1, ent er the follo wing commands . Brocade(config)# interface ethernet 1/1/2 Brocade(config-if-e10000-1/1/2)# ip helper-address 1 192.168.7.6 The commands in this ...

  • Brocade Communications Systems ICX 6650 - page 84

    66 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Hop count – Each rout er that forwar ds a BootP/DHCP packet increments the hop count by 1. Rout ers also discard a f or warded BootP/DHCP request inst ead of forwarding the request if the hop count is great er than the maximum ...

  • Brocade Communications Systems ICX 6650 - page 85

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 67 53-1002603-01 Configuring IP parameters – Layer 3 Switches Changing the maximum number of hops to a BootP relay server Each BootP or DHCP request includes a field Ho p Count field. The Hop Co unt field indicates how many routers the req uest has passed through. When the La yer 3 Switch recei ...

  • Brocade Communications Systems ICX 6650 - page 86

    68 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches In some environments, it may be necessar y t o rea ssign network addresses due to exhaustion of the av ailable address pool. In this case, the alloca tion mechanism reuses addre sses with expired leases. Configuration notes for conf ...

  • Brocade Communications Systems ICX 6650 - page 87

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 69 53-1002603-01 Configuring IP parameters – Layer 3 Switches A DHCP server assigns and manages IPv4 addresse s from multiple a ddress pools, using dynam ic address allocation. The DHCP server also contai ns the relay agent to f or ward DHCP br oadcast messages to netw ork segments that do not ...

  • Brocade Communications Systems ICX 6650 - page 88

    70 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 7 DHCP Ser ver configuration flow char t Classify incoming message DHCP enabled? Ye s No previous allocation in DB for this host? No Ye s Use RX P or tnum, Ciaddr field, and Giaddr field to select proper address pool Reserve t ...

  • Brocade Communications Systems ICX 6650 - page 89

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 71 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring DHCP Server on a device Perform the f ollowing st eps to configure the DHCP Server f eature on your de vice: 1. Enable DHCP Ser ver b y entering a command similar t o the follo wing. Brocade(config)# ip dhcp-server enable ...

  • Brocade Communications Systems ICX 6650 - page 90

    72 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Ta b l e 9 describes the CLI commands that are av ailable in the DHCP Ser ver f eature. option merit-dump S pecifies the path name of a file into which the client’s cor e image should be placed in the ev ent that the client crashes ...

  • Brocade Communications Systems ICX 6650 - page 91

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 73 53-1002603-01 Configuring IP parameters – Layer 3 Switches show ip dhcp-se rver add ress-pool name Displays a spe cific address po ol or al l addres s pools. Ref e r to “Displa ying address-pool inf ormation” on page 78. show ip dhcp-ser ver flas h Displays the leas e binding da tabase t ...

  • Brocade Communications Systems ICX 6650 - page 92

    74 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Removing DHCP leases The clear ip dhcp-server binding command can be used to dele te a specific lease, or all le ase entries from the lease binding database. Brocade(config)# clear ip dhcp-server binding * Syntax: clear ip dhcp-ser v ...

  • Brocade Communications Systems ICX 6650 - page 93

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 75 53-1002603-01 Configuring IP parameters – Layer 3 Switches Creating an address pool The ip dhcp-server pool co m m a n d p u t s you in p o o l c o n f i gu r a t i o n m o d e , a n d al l o w s yo u t o c r e a t e a n address pool. Brocade(config)# ip dhcp-server pool Brocade(config-dhcp- ...

  • Brocade Communications Systems ICX 6650 - page 94

    76 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Deploying an address pool configuration to the server The deploy command sends an address pool co nfiguration to the DHCP server . Brocade(config-dhcp-cabo)# deploy Syntax: deploy Specifying default router s available to the client T ...

  • Brocade Communications Systems ICX 6650 - page 95

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 77 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring the NetBIOS server fo r DHCP clients The netbios-name-s erver command specifies the IP address of a Ne t BI OS WI NS se rv er or se rve rs that are av ailable to Microsoft DHCP clients. Brocade(config-dhcp-cabo)# netbios- ...

  • Brocade Communications Systems ICX 6650 - page 96

    78 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Displaying DHCP Server information The follo wi ng DHCP show commands c an be entered fr om any le vel of the CLI. Displaying active lease entries The show ip dhcp-ser ver binding command displa ys a specific active lease, or all act ...

  • Brocade Communications Systems ICX 6650 - page 97

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 79 53-1002603-01 Configuring IP parameters – Layer 3 Switches lease: 0 0 30 netbios-name-server: 192.168.1.101 network: 192.168.1.0 255.255.255.0 next-bootstrap-server: 192.168.1.102 tftp-server: 192.168.1.103 Syntax: show ip dhcp-ser ver address-pool [ s ] [ name ] • address-pool [ s ] - If ...

  • Brocade Communications Systems ICX 6650 - page 98

    80 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Ta b l e 1 2 describes this output . Displaying summary DHCP server information The show ip dhcp-ser ver summary command displays inf ormation about activ e leases, deployed address-pools, undeploy ed address-pools, and server uptime ...

  • Brocade Communications Systems ICX 6650 - page 99

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 81 53-1002603-01 Configuring IP parameters – Layer 3 Switches • For a Layer 3 de vice, one leased address is grant ed (per device) t o the inter face that first receives a response fr om the DHCP ser ver . 2. If auto-update is enabled, the TFTP flash image is downloaded and updated. The de vi ...

  • Brocade Communications Systems ICX 6650 - page 100

    82 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Although the DHCP server may pr ovide multiple a ddresses, only one IP address is installed at a time. • This fe ature is not suppor ted t ogether with DHCP snooping. The following configuration rule s apply to flash image upda ...

  • Brocade Communications Systems ICX 6650 - page 101

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 83 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 9 The DHCP Client-Based Auto-Configuration s teps V alidate the IP address and lease negotiation 1. At boot -up, the device automatically chec ks its configuration for an IP address. 2. If the de vice does not ha ve a static I ...

  • Brocade Communications Systems ICX 6650 - page 102

    84 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches 3. If the de vice has a dynamic address, the device asks the DHCP ser ver to v alidate that address. If the server does not respo n d, the de vice will continue to use the e xisting address until the lease expir es. If the ser ver re ...

  • Brocade Communications Systems ICX 6650 - page 103

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 85 53-1002603-01 Configuring IP parameters – Layer 3 Switches 1. When the device reboots, or the Aut o-Confi guration f eature has been disabled and then re-enabled, the de vice uses information fro m th e DHCP server to contac t the TFTP ser ver t o update the running-configuration file: • I ...

  • Brocade Communications Systems ICX 6650 - page 104

    86 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • When DHCP is disabled, and then re-enabled, or if the system is reboot ed, the TFTP process requires approximat ely three m inutes t o run in the background bef ore file images can be downloaded manually . • Once a port is assi ...

  • Brocade Communications Systems ICX 6650 - page 105

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 87 53-1002603-01 Configuring IP parameters – Layer 3 Switches The follo wing example shows a La yer 2 de vice configuration as a result of the show run command. The follo wing example shows a La yer 3 de vice configuration as a result of the show run command. DHCP Log messages The following DHC ...

  • Brocade Communications Systems ICX 6650 - page 106

    88 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches 2d01h48m21s:I: DHCPC: existing ip address found, no further action needed by DHCPC 2d01h48m21s:I: DHCPC: Starting DHCP Client service 2d01h48m21s:I: DHCPC: Stopped DHCP Client service 2d01h48m21s:I: DHCPC: ICX6650 Switch running-conf ...

  • Brocade Communications Systems ICX 6650 - page 107

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 89 53-1002603-01 Configuring IP parameters – Layer 2 Switches T o specify the Lay er 2 Switch default gat ewa y , enter a command such as the f ollowing. Brocade(config)# ip default-gateway 192.168.6.1 Syntax: ip default-gate way ip-addr NOTE When configuring an IP address on a La yer 2 sw itch ...

  • Brocade Communications Systems ICX 6650 - page 108

    90 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches Syntax: tracerout e host-ip-add r [ ma xttl va lu e ] [ minttl valu e ] [ numer ic ] [ timeout value ] [ source-ip ip addr ] The only required paramet er is the IP address of the host at the other end of the rout e. Af ter y ou enter ...

  • Brocade Communications Systems ICX 6650 - page 109

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 91 53-1002603-01 Configuring IP parameters – Layer 2 Switches Brocade(config)# ip ttl 25 Brocade(config)# exit Syntax: ip ttl 1-255 DHCP Assist configuration DHCP Assist allows a Br ocade Lay er 2 Switch to assi st a r outer that is per f orming multi-ne tting on its inter faces as par t of its ...

  • Brocade Communications Systems ICX 6650 - page 110

    92 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches FIGURE 1 1 DHCP requests in a network without DHCP Assist o n the Layer 2 Switch In a netw ork operating without DHCP Assist, host s can be assigned IP addresses from the wr ong subnet range becau se a rout er with mu ltiple subnets ...

  • Brocade Communications Systems ICX 6650 - page 111

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 93 53-1002603-01 Configuring IP parameters – Layer 2 Switches FIGURE 12 DHCP requests in a network with DHCP Assist operating on a FastIron Switch When the stamped DHCP discov er y packet is then receiv ed at the rout er , it is forwarded t o the DHCP ser ver . The DHCP ser ver then extracts th ...

  • Brocade Communications Systems ICX 6650 - page 112

    94 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches FIGURE 13 DHCP offer s are for warded back toward the requestor s NOTE When DHCP Assist is enabled on any po r t, La ye r 2 broadcast pack ets are forwar ded by the CPU. Unknown unicast and multicast pack ets are still fo r warded in ...

  • Brocade Communications Systems ICX 6650 - page 113

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 95 53-1002603-01 IPv4 point-to-point GRE tunnels Example T o create the configuration indicated in Figure 12 and Figure 13 , enter commands such as the following. Brocade(config)# dhcp-gateway-list 1 192.168.5.1 Brocade(config)# dhcp-gateway-list 2 10.95.6.1 Brocade(config)# dhcp-gateway-list 3 1 ...

  • Brocade Communications Systems ICX 6650 - page 114

    96 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels FIGURE 1 4 GRE encapsulated packet structure Figure 15 shows the GRE header f ormat. FIGURE 1 5 GRE header f ormat The GRE header has the f ollowing fields: • Checksum – 1 bit. This f ield is assumed to be zer o in this version. If set to 1, th ...

  • Brocade Communications Systems ICX 6650 - page 115

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 97 53-1002603-01 IPv4 point-to-point GRE tunnels RFC 4459 describes solutions f or issues with larg e packe ts over a tunnel. The following methods, from RFC 4459, are supported in Brocade Ir onWare so f tware: • If a source att empts to send pack ets that are larger than the lowest MTU value a ...

  • Brocade Communications Systems ICX 6650 - page 116

    98 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels unicast, it is permissible for multiple tunnel inter faces to use a single loo pback por t. Howe ver , in multicast, this will not allow the hard ware to determine the tunnel int er face that the packet was received o n in or der to do an RPF check ...

  • Brocade Communications Systems ICX 6650 - page 117

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 99 53-1002603-01 IPv4 point-to-point GRE tunnels NOTE The abov e features are supported on VLANs that do not ha ve VE ports. • Whenev er multiple IP addresses are configured on a tunnel sour ce, the primar y address of the tunnel is alwa ys used for f orming the tunnel connections. Theref ore, ...

  • Brocade Communications Systems ICX 6650 - page 118

    100 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Configuration tasks for GRE tunnels Brocade recommends that you per form the c onfiguration tasks in the order list ed in T able 13. The f ollowing features are also suppor ted on GRE tunnel int er faces: • Naming the tunnel interface (CLI comma ...

  • Brocade Communications Systems ICX 6650 - page 119

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 101 53-1002603-01 IPv4 point-to-point GRE tunnels Creating a tunnel interface T o c reate a tunnel in terface, enter the followin g command at the Global CONF IG lev el of the CLI. Brocade(config)# interface tunnel 1 Brocade(config-tnif-1)# Syntax: [ no ] interface tunnel tunnel-number The tunnel ...

  • Brocade Communications Systems ICX 6650 - page 120

    102 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Deleting an IP address from an inte rface configured as a tunnel source T o delete an IP address from an interface that is configured as a tunnel sour ce, first remov e the tunnel source fr om the tu nnel interface then dele te the IP address, as ...

  • Brocade Communications Systems ICX 6650 - page 121

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 103 53-1002603-01 IPv4 point-to-point GRE tunnels NOTE Before configuring a new GRE tunnel, the syst em shou ld ha ve at least one slot a vailable for adding the default tunnel MTU v alue to the syst em tables. Depending on the configuration, the def ault tunnel MTU range is ((1500 or 102 18) - 2 ...

  • Brocade Communications Systems ICX 6650 - page 122

    104 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Changing the MTU value for a tunnel interface For important conf iguration considerations regarding this feature, ref er to “GRE MTU configuration considerations” on page 99. Y ou can set an MTU v alue for pack ets entering the tunnel. Pack et ...

  • Brocade Communications Systems ICX 6650 - page 123

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 105 53-1002603-01 IPv4 point-to-point GRE tunnels paths because the tunnel is alwa ys UP . T o av oid this scen ario, enable GRE link k e epalive, which will maintain or place the tunnel in an UP or DOWN state based upon the periodic sending of k eepalive packets and the monitoring of responses t ...

  • Brocade Communications Systems ICX 6650 - page 124

    106 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels This command configur es the device t o wait for 20 minut es before resetting the path MTU to its original v alue. Syntax: [ no ] tunnel path-mtu-disco ver y age-timer minutes | in finite For minutes , ent er a value from 1 0 to 30. Enter infin it ...

  • Brocade Communications Systems ICX 6650 - page 125

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 107 53-1002603-01 IPv4 point-to-point GRE tunnels Point-to-point GRE tunnel configuration example In the configuration example shown in Figure 1 6, a GRE T unnel is configured be tween device A and devic e B. T raffic between networks 1 0. 1 0. 1.0/2 4 and 1 0.1 0.2.0/2 4 is encapsulated in a GRE ...

  • Brocade Communications Systems ICX 6650 - page 126

    108 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Brocade(config-tnif-1)# ip address 10.10.3.2/24 Brocade(config-tnif-1)# exit Brocade(config)# ip route 192.168.8.0/24 192.168.5.1 Displaying GRE tunneling information This section describes the show commands that display the GRE tunnels c onfigura ...

  • Brocade Communications Systems ICX 6650 - page 127

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 109 53-1002603-01 IPv4 point-to-point GRE tunnels ip arp-age: 10 minutes No Helper Addresses are configured No inbound ip access-list is set No outgoing ip access-list is set Syntax: show ip interface tunnel [ tun nel-ID ] The tunnel-ID variable is a valid tunn el number o r name. The show int er ...

  • Brocade Communications Systems ICX 6650 - page 128

    110 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Brocade# show ip tunnel traffic IP GRE Tunnels Tunnel Status Packet Received Packet Sent KA recv KA sent 1 up/up 362 0 362 362 3 up/up 0 0 0 0 10 down/down 0 0 0 0 Syntax: show ip tunnel traff ic The show statistics tu nnel [ tun nel-ID ] command ...

  • Brocade Communications Systems ICX 6650 - page 129

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 111 53-1002603-01 IPv4 point-to-point GRE tunnels The follo wing shows an exam ple output of the show ip pim inter face command. The lines in bold highlight the GRE tunnel -specific inf ormation. Brocade# show ip pim interface Interface e1/1/1 PIM Dense: V2 TTL Threshold: 1, Enabled, DR: itself L ...

  • Brocade Communications Systems ICX 6650 - page 130

    112 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Brocade# show statistics Port In Packets Out Packets In Errors Out Errors 1 0 1670 0 0 2 1668 7 0 0 3 0 0 0 0 4 1668 1668 0 0 Syntax: show statistics The show ip mtu command can be used to see if there is space a vailable for the ip_de fault_mtu_2 ...

  • Brocade Communications Systems ICX 6650 - page 131

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 113 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying IP configuration information and statistics The follo wing sections describe IP display opti ons f or La yer 3 Switches and La yer 2 Switches: • T o display IP inf ormation on a Lay er 3 Switch, refer t o “D ...

  • Brocade Communications Systems ICX 6650 - page 132

    114 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Syntax: show ip NOTE This command has additional options, which are expl ained in other sections in this guide, including the sections follo wing this one. This display sho w s the f ollowing information. TA B L E 16 CLI d ...

  • Brocade Communications Systems ICX 6650 - page 133

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 115 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying CPU uti lization statistics Y o u can display CPU utilization statistics for IP pr otocols using the show process cpu command. The show process cpu co mmand includes CPU utilization statistics for A CL, 802. 1x, ...

  • Brocade Communications Systems ICX 6650 - page 134

    116 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics If the soft ware has been running less than 15 minutes (the maximu m interval for utilization statistics), the command indicat es how long the software has been running. Her e is an example. T o display utilization statist ...

  • Brocade Communications Systems ICX 6650 - page 135

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 117 53-1002603-01 Displaying IP configuratio n information and s tatistics When you specify ho w many seconds’ worth of statistics you want to displa y , the sof tware selects the sample that most closely matches the number of seconds you specified. In this e xample, statistics are request ed f ...

  • Brocade Communications Systems ICX 6650 - page 136

    118 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics T o display detailed IP in formation f or a specific inter face, enter a command such as the following. Displaying ARP entries Y ou can display the ARP cache and the static ARP ta ble. The ARP cache contains entrie s for d ...

  • Brocade Communications Systems ICX 6650 - page 137

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 119 53-1002603-01 Displaying IP configuratio n information and s tatistics NOTE The ip-mask paramet er and mask parameter perform dif ferent operations. The ip-mask parameter specifies the networ k mask for a specific IP address, whereas the mask paramet er prov ides a filter for displa ying mult ...

  • Brocade Communications Systems ICX 6650 - page 138

    120 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying the static ARP table T o display the static ARP table instead of the AR P cache, enter the f ollowing command at any CLI lev el . This exam ple shows two static entries. Note that because y ou specify an entr y ...

  • Brocade Communications Systems ICX 6650 - page 139

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 121 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying the forwarding cache T o display the IP f or war ding cache, enter the f ollowing command at any CLI lev el. Syntax: show ip cache [ ip-addr ] | [ num ] The ip-addr parameter displa ys the cache entry for the sp ...

  • Brocade Communications Systems ICX 6650 - page 140

    122 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying the IP route table T o display the IP r oute table, ent er the show ip rout e command at any CLI le vel. Syntax: show ip rout e [ ip-addr [ ip-mask ] [ longer ] [ none-bgp ]] | num | bgp | direct | ospf | rip | ...

  • Brocade Communications Systems ICX 6650 - page 141

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 123 53-1002603-01 Displaying IP configuratio n information and s tatistics The bgp option displays the BGP4 routes. The direct option displa ys only the IP rout es that are direct ly attached to the Layer 3 Switch. The ospf option displays the OS PF rout es. The rip option displays the RIP r oute ...

  • Brocade Communications Systems ICX 6650 - page 142

    124 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Example Syntax: show ip rout e summar y In this ex ample, the IP rout e table contains 35 en tries. Of these entries, 6 are directly co nnected devic es, 28 are static rout es, and 1 rout e was calculated thr ough OSPF . O ...

  • Brocade Communications Systems ICX 6650 - page 143

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 125 53-1002603-01 Displaying IP configuratio n information and s tatistics T o clear rout e 10 .1 5 7 .22.0/2 4 from the IP r outing table, enter the clear ip route co mmand. Brocade# clear ip route 10.157.22.0/24 Syntax: clear ip route [ ip-addr ip-mask ] or Syntax: clear ip route [ ip-addr / ma ...

  • Brocade Communications Systems ICX 6650 - page 144

    126 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics The show ip traf fic command displays the f oll owing inf ormatio n. TA B L E 2 2 CLI display of IP traff ic st atistics – Layer 3 Switch Field Descri ption IP statistics received The total number of IP packets receiv ed ...

  • Brocade Communications Systems ICX 6650 - page 145

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 127 53-1002603-01 Displaying IP configuratio n information and s tatistics received The number of UDP packets recei ved by the device. sent The number of UDP packe ts sent by the devi ce. no port The number of UDP packets dr opped becaus e they did not have a valid UDP por t number . input errors ...

  • Brocade Communications Systems ICX 6650 - page 146

    128 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying IP information – Layer 2 Switches Y ou can display the f ollowing IP configuration information statistics on Lay er 2 Switches: • Global IP settings – refer t o “Displaying global IP configuration inform ...

  • Brocade Communications Systems ICX 6650 - page 147

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 129 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying ARP entries T o display the entries the La yer 2 Switch has placed in its ARP cache, ent er the show arp command from an y level of the CLI. Syntax: show arp This display sho w s the f ollowing information. Disp ...

  • Brocade Communications Systems ICX 6650 - page 148

    130 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Syntax: show ip traf fic The show ip traf fic command displays the f oll owing inf ormatio n. TA B L E 2 5 CLI display of IP traff ic st atistics – Layer 2 Switch Field Description IP statistics received The total numbe ...

  • Brocade Communications Systems ICX 6650 - page 149

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 131 53-1002603-01 Displaying IP configuratio n information and s tatistics tot al The t otal number of ICMP mess ages sent or receiv ed by the de vice. errors This informati on is used by Brocade cust omer suppor t. unreachable The number of Destination Unreachable messages sent or receiv ed by t ...

  • Brocade Communications Systems ICX 6650 - page 150

    132 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics in segment s The numbe r of TCP segments received by the device. out segments The number of T CP segments sent by the device. retransmissio n The number of segments that this device re transmitted because the retransmi ssi ...

  • Brocade Communications Systems ICX 6650 - page 151

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 133 53-1002603-01 Chapter 2 Base Layer 3 and Routing Protocols Ta b l e 2 6 lists the base Layer 3 features Br ocade IC X 6650 de vices suppor t. These f eatures are suppor ted in full L ayer 3 so f tware images, ex cept where explicitly no ted. Adding a static IP route T o add a static IP route, ...

  • Brocade Communications Systems ICX 6650 - page 152

    134 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Adding a static ARP entry The next-hop-ip-addr variable is the IP address o f the next hop rout er (gate way) f or the ro ute. The metric variable spec ifies the cost of the rout e and can be a number from 1 through 1 6. The default is 1. The metric is used by RIP . If you do no ...

  • Brocade Communications Systems ICX 6650 - page 153

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 135 53-1002603-01 Modifying and displaying Layer 3 system parameter limits The Lay er 3 system parameter limits f or IPv6 mode ls are automatically adjusted b y the system and cannot be manually modif ied. Displaying Layer 3 system parameter limits T o display the La yer 3 syst em parameter def a ...

  • Brocade Communications Systems ICX 6650 - page 154

    136 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring RIP Configuring RIP If you w ant the Brocade de vice to use Routing In formation Pr otocol (RIP), you m us t en ab le th e pro tocol globally , and then enable RIP on individual por ts. When y o u enable RIP on a por t, you also must spec ify the v ersion (vers ion 1 ...

  • Brocade Communications Systems ICX 6650 - page 155

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 137 53-1002603-01 Configuring RIP NOTE The option to set the metric is not applicable t o static routes. 2. Enable redistribution. NOTE If you plan t o configure redist ributio n filters, do not enable redistribution until y ou hav e configured the filt ers. When you enable re distribution, all t ...

  • Brocade Communications Systems ICX 6650 - page 156

    138 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring RIP The follo wing commands deny redistribution of all r outes ex cept routes f or 1 0. 10. 10.x and 1 0.20.20.x. Brocade(config-rip-router)#deny redistribute 64 static address 255.255.255.255 255.255.255.255 Brocade(config-rip-router)#permit redistribute 1 static ad ...

  • Brocade Communications Systems ICX 6650 - page 157

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 139 53-1002603-01 Other Layer 3 protocols Other Layer 3 protocols For inf ormation abou t other IP configuration commands in the Lay er 2 with base Layer 3 image that are not included in this chapt er , refer t o Chapter 1, “IP Co nfiguration” . For inf ormat ion about enabling or disabling L ...

  • Brocade Communications Systems ICX 6650 - page 158

    140 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Enabling or disa bling Layer 2 switching Configuration notes and feature limitations for Layer 2 switching • Enabling or disabl ing Lay er 2 sw itching is suppor ted in the full Layer 3 sof tware image only . • Enabling or disabl ing Lay er 2 switching is not suppor ted on v ...

  • Brocade Communications Systems ICX 6650 - page 159

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 141 53-1002603-01 Chapter 3 RIP (IPv4) Ta b l e 27 lists the the Routing Inf ormation Pro tocol (RIP) f or IPv4 features Brocade ICX 6650 devic es suppor t . These f eatures are suppor ted in the full Lay er 3 sof tware image. RIP overview Routing Inf ormation Prot ocol (RIP) is an IP route ex ch ...

  • Brocade Communications Systems ICX 6650 - page 160

    142 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameters and defaults Brocade Lay er 3 Switc hes suppor t the following RIP versions: • Ve r si o n ( V 1 ) • V1 compatible with V2 • V ersion (V2) (the default) RIP parameters and defaults The following tables list the RIP parameters, thei r default values, and wher ...

  • Brocade Communications Systems ICX 6650 - page 161

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 143 53-1002603-01 RIP parameters and defaults RIP interface parameters Ta b l e 2 9 lists the inter face-le vel RIP paramet ers and their default values, and indicat es where you can find configurat ion information. . Learning default r outes The rout er can learn default r outes from its RIP nei ...

  • Brocade Communications Systems ICX 6650 - page 162

    144 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration RIP parameter configuration Use the follo wing procedures to configure RIP parameters on a system -wide and individual interface basis. Enabling RIP RIP is disabled b y default. T o enable it, use the f ollowing procedure. NOTE Y o u must enable the p ...

  • Brocade Communications Systems ICX 6650 - page 163

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 145 53-1002603-01 RIP parameter configuration Y ou ca n change the amount that an individual por t adds to the metr ic of RIP r ou tes learned on the por t. T o do so, use the follo wing method. NOTE RI P c on s i de r s a rou te w it h a me t ri c o f 16 to b e u nr e a ch a b le . U se t h is m ...

  • Brocade Communications Systems ICX 6650 - page 164

    146 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration Brocade(config-rip-router)#offset-list 21 in 10 ethernet 1/1/2 Changing the administrative distance By default, the La yer 3 Switch assigns the default RIP administrativ e distance (120) to RIP r outes. When comparing r outes based on administrativ e ...

  • Brocade Communications Systems ICX 6650 - page 165

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 147 53-1002603-01 RIP parameter configuration NOTE The default redistribution actio n is permit, ev en af ter you configur e and apply redistribution filt ers to th e vi r t ua l ro ut in g i nte r fa c e. If you wan t to ti ghtly control redistribution, apply a filter to den y all rout es as the ...

  • Brocade Communications Systems ICX 6650 - page 166

    148 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration NOTE This exam ple assumes that the highest RIP redistri butio n filter ID configured on the de vice is 64. Changing the redistribution metric When the La yer 3 Switch redistributes a r oute into RIP , the sof tware assigns a RIP metric (cost) t o the ...

  • Brocade Communications Systems ICX 6650 - page 167

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 149 53-1002603-01 RIP parameter configuration • Updat e inter val – The updat e inter val specifie s ho w of ten the La yer 3 Switch sends RIP rout e advertisem ents to its neighbors Y ou can change the in ter val to a va lu e f rom 1 th rou gh 1000 seconds. The default is 30 seconds. • Lea ...

  • Brocade Communications Systems ICX 6650 - page 168

    150 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration The f ollowing commands configure the L ayer 3 Swit ch to learn ro u tes fr om all neighbors except 192. 168. 1. 1 70. Once y ou define a RIP neighbor filt er , the default action change s from learning all rout es from all neighbors to denying all ro ...

  • Brocade Communications Systems ICX 6650 - page 169

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 151 53-1002603-01 RIP parameter configuration T o disable split horizon and enable poison revers e on an interfac e, enter commands such as the following. Brocade(config)#interface ethernet 1/1/1 Brocade(config-if-e10000-1/1/1)#ip rip poison-reverse Suppressing RIP route advertisement on a VRRP o ...

  • Brocade Communications Systems ICX 6650 - page 170

    152 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration Syntax: filter fi lt er -num permit | deny source-ip-address | any source -mask | any [ log ] Applying a RIP route f ilter to an interface Once you define RIP rout e filters, yo u must assign them to individual int er faces. The filters do not take ef ...

  • Brocade Communications Systems ICX 6650 - page 171

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 153 53-1002603-01 Displaying RIP filters Displaying RIP filters T o display the RIP filters configured on the r outer , enter the show ip rip command at an y CLI level. Syntax: show ip rip Ta b l e 3 0 describes the information displa yed by the sho w ip rip command. TA B L E 3 0 CLI display of R ...

  • Brocade Communications Systems ICX 6650 - page 172

    154 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying CPU utilizat ion statistics Displaying CPU utilization statistics Y o u can display CPU utilization statistics for RIP and o ther IP protocols. T o display CPU utilization statistics for RIP f or the previous five-second, on e-minute, fiv e-minute, fifteen-minut e, an ...

  • Brocade Communications Systems ICX 6650 - page 173

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 155 53-1002603-01 Displaying CPU util ization statistics When you specify ho w many seconds’ worth of statistics you want to displa y , the sof tware selects the sample that most closely matches the number of seconds y ou specified. In this exam ple, statistics are request ed for the previous t ...

  • Brocade Communications Systems ICX 6650 - page 174

    156 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying CPU utilizat ion statistics ...

  • Brocade Communications Systems ICX 6650 - page 175

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 157 53-1002603-01 Chapter 4 RIP (IPv6) Ta b l e 31 lists the Routing Inf ormation Pro tocol (RIP) f or IPv6 f eatures Brocade ICX 6650 devices suppor t. These f eatures are suppor ted with premium IPv6 devices running the full La yer 3 sof tware image . RIPng overview Routing Inf ormation Prot oc ...

  • Brocade Communications Systems ICX 6650 - page 176

    158 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Summary of configuration tasks Summary of configuration tasks T o configure RIPng, you must enab le RIPng globally on the Br ocade device and on individual r outer interfaces. The f o llowing configuration tasks are optional: • Change the default settings of RIPng timers • C ...

  • Brocade Communications Systems ICX 6650 - page 177

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 159 53-1002603-01 RIPng timers RIPng timers Ta b l e 3 2 describes the RIPng timers and pr ovides their defaults. Y ou can adjust these timers for RIPng. Befo re doing so, keep the follo wing caveats in mind: • If you adjust these RIPng timers , Brocade str ongly recommends setting the same tim ...

  • Brocade Communications Systems ICX 6650 - page 178

    160 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route learning and ad vertising parameters Route learning and advertising parameters Y ou can configure the following lea rning and advert ising parameters: • Learning and advertising of RIPng default rout es • Advertising of IP v6 address summaries • Metric of rout es lea ...

  • Brocade Communications Systems ICX 6650 - page 179

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 161 53-1002603-01 Redistributing routes into RIPng Y ou must specify the ipv6-prefix parameter in he xadecimal using 16 -bit v alues between colons as document ed in RFC 23 73. Y ou must specify the prefix-length paramet er as a decimal value. A slash mark (/) must f ollow the ipv6-prefix paramet ...

  • Brocade Communications Systems ICX 6650 - page 180

    162 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Controlling distribution of routes through RIPng Brocade(config)# ipv6 router rip Brocade(config-ripng-router)# redistribute ospf Syntax: redistribute bgp | connect ed | isis | ospf | static [ metric number ] For the metric, specify a num erical value that is consistent with RIP ...

  • Brocade Communications Systems ICX 6650 - page 181

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 163 53-1002603-01 Clearing RIPng routes fr om the IPv6 route table Brocade(config)# ipv6 router rip Brocade(config-ripng-router)# poison-reverse Syntax: [ no ] poison-rev erse T o disable poison rev erse, use the no for m o f t h i s c om m a n d . By default, if a RIPng int er face goes down, th ...

  • Brocade Communications Systems ICX 6650 - page 182

    164 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying the RIPng configuration Displaying the RIPng configuration T o display RIPng configuration information, enter the sho w ipv6 rip command at any CLI level. Syntax: show ipv6 rip Ta b l e 3 3 describes the information displa yed by the sho w ipv6 rip command. TA B L E 3 ...

  • Brocade Communications Systems ICX 6650 - page 183

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 165 53-1002603-01 Displaying RIPng ro uting table Displaying RIPng routing table T o display the RIPng routing table, ent er the show ipv6 rip r oute command at an y CLI level. Syntax: show ipv6 rip rout e [ ipv6-prefix / prefix-length | ipv6-address ] The ipv6-prefix / prefix-len gth parameters ...

  • Brocade Communications Systems ICX 6650 - page 184

    166 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying RIPng ro uting table ...

  • Brocade Communications Systems ICX 6650 - page 185

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 167 53-1002603-01 Chapter 5 OSPF version 2 (IPv4) Ta b l e 3 5 lists the Open Shor test Path First (OSPF) V ersion 2 (IPv4) features Brocade ICX 6650 devic es suppor t. These feature s are suppor ted in the full La yer 3 sof tware image only . TA B L E 3 5 Suppor t ed OSPF V2 f eatures Feature Br ...

  • Brocade Communications Systems ICX 6650 - page 186

    168 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview This chapter describes how to configure OS PF Vers ion 2 on Broc ade Layer 3 Switches using the CLI. OSPF V ersion 2 is supported on device s running IPv4. NOTE The terms La yer 3 Switch and router are used int erchangeably in this chapt er and mean the same thing. ...

  • Brocade Communications Systems ICX 6650 - page 187

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 169 53-1002603-01 OSPF overview An Aut onomous System Boundary Router (ASBR) is a rout er that is running multiple protocols and serves as a gate wa y to rout ers outside an area an d those operating with dif ferent pr otocols. The ASBR is able t o impor t and translate different pr otocol rout e ...

  • Brocade Communications Systems ICX 6650 - page 188

    170 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview I n a n O SP F p o i n t -t o - po i nt ne t wo r k , w he re a d ir ec t La y e r 3 c o n n e c t i on ex i s t s b et we e n a s i n g l e p a ir of OSPF rout ers, there is no need f or Designat ed and Backup Designat ed Route rs, as is the case in OSPF multi-acc ...

  • Brocade Communications Systems ICX 6650 - page 189

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 171 53-1002603-01 OSPF overview NOTE Priority is a configurable opt ion at the interface level. Y ou can use this parameter to help bias one rout er as the DR. FIGURE 1 9 Backup designated router becomes designated r outer If two neighbors share the same priority , the rout er with the highest ro ...

  • Brocade Communications Systems ICX 6650 - page 190

    172 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview NOTE For de tails on how to configure the syst em to operat e with the RFC 2 1 78, refer t o “Modifying the OSPF standard compliance setting” o n p ag e 210 . Reduction of equivalent AS External LSAs An OSPF ASBR uses AS Ext ern al link advertisemen ts (A S Ext ...

  • Brocade Communications Systems ICX 6650 - page 191

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 173 53-1002603-01 OSPF overview FIGURE 20 AS Exte rnal LSA reduct ion Notice that both R outer D and Rout er E hav e a route t o the other routing domain thr ough Rout er F . In earlier software releases, if R outers D and E ha ve equal-co st routes t o Rout er F , then both R outer D and Rout er ...

  • Brocade Communications Systems ICX 6650 - page 192

    174 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview Algorithm for AS External LSA reduction Figure 20 shows an exam ple in which the normal AS Ex ternal LSA reductio n feature is in effect. The behav ior changes under the f ollowing conditions: • There is one ASBR advertising (originating) a ro ut e to the ext ern ...

  • Brocade Communications Systems ICX 6650 - page 193

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 175 53-1002603-01 OSPF overview When Appendix E is suppor ted, the router g enera tes the link stat e ID for a networ k as follows. 1. Does an LSA with the netw ork address as its ID already exist? • No – Use the netw ork address as the ID. • Y es – Go to step 2 . 2. Compare the netw orks ...

  • Brocade Communications Systems ICX 6650 - page 194

    176 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF graceful restart Dynamic OSPF memory Brocade ICX 6650 devices dynamical ly allocate memo r y for Li nk State Adv er tisements (LSAs) and other OSPF data structures. This eliminat es over flow conditions and does not require a reload t o change OSPF memory allocation. So lon ...

  • Brocade Communications Systems ICX 6650 - page 195

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 177 53-1002603-01 Configuring OSPF Configuring OSPF Perform the f ollowing steps t o begin using OSPF on the r outer . 1. “Enabling OSPF on the r outer” on page 1 78 2. “ Assigning OSPF areas” on page 1 79 3. “ Assigning an area range (optional)” on page 183 4. “ Assigning interface ...

  • Brocade Communications Systems ICX 6650 - page 196

    178 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF • Enable redistribution • Change the LSA pacing interval • Modify OSPF T raps generated • Modify database ov er flow int er val Interface parameters • Assign interfaces to an area • Define the authentication key f or the inter face • Change the aut ...

  • Brocade Communications Systems ICX 6650 - page 197

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 179 53-1002603-01 Configuring OSPF Brocade(config-ospf-router)#no router ospf router ospf mode now disabled. All ospf config data will be lost when writing to flash! If you ha ve disabled the pr otocol but ha ve not ye t sav ed the configura tion to the startup-config f ile and reloaded the so f ...

  • Brocade Communications Systems ICX 6650 - page 198

    180 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF • NSSA – The ASBR of an NSSA can import ext ernal route inf ormation into the area: - ASBRs redistribute (im por t) external r o utes int o the NSSA as type 7 LSAs. T ype-7 External LSAs are a special type of LSA generat ed on ly by ASBRs within an NSSA, and ...

  • Brocade Communications Systems ICX 6650 - page 199

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 181 53-1002603-01 Configuring OSPF NOTE This feature applies only when the Layer 3 Switch is configu red as an Area B order Rout e r (ABR) for the area. T o complet ely prevent summary LSAs fr om being sent to the area, d isable the summar y LSAs on each OSPF router th at is an ABR for the area. ...

  • Brocade Communications Systems ICX 6650 - page 200

    182 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF FIGURE 2 1 OSPF networ k cont aining an N SSA This example shows tw o routing domains, a RIP do main and an OSPF domain . The ASBR inside the NSSA imports external r outes fr om RIP into th e NSSA as T ype-7 LSAs, which the ASBR floods throughout the NSSA. The A ...

  • Brocade Communications Systems ICX 6650 - page 201

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 183 53-1002603-01 Configuring OSPF NOTE The La yer 3 Switch does not inject the default ro ute into an NS SA by default. NOTE Y ou can assign one area on a router int er face. F o r example, if the system or chassis module has 1 6 por ts, 1 6 areas are suppor ted on the chassis or module. T o con ...

  • Brocade Communications Systems ICX 6650 - page 202

    184 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF The ip-mask parameter specifies the por tions of the IP address that a rout e must contain to be summarized in the summar y rout e. In the example abo ve, all networks that be gin with 193.45 are summarized into a sing le route. Assigning interfaces to an area O ...

  • Brocade Communications Systems ICX 6650 - page 203

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 185 53-1002603-01 Configuring OSPF Aut h-c ha nge -wa it -ti me : OSPF gracefully implements auth enti cation changes to allow all rout er s to implement the change and thus pre vent disrupti on t o neighbor adjacencies. Duri ng the authentication-c hange interval, both the old and ne w authentic ...

  • Brocade Communications Systems ICX 6650 - page 204

    186 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Retransmit-interval : The time between retransmissio n s of link- state advertisements (LSAs) to adjacent rout er s f or this inter face. The value can be from 0 through 3600 se conds. The default is 5 seconds. T ransit-delay : The time it takes t o transm it Li ...

  • Brocade Communications Systems ICX 6650 - page 205

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 187 53-1002603-01 Configuring OSPF • Outgoing OSPF packets – After you make the ch ange, the software continues to use the old authentication to send pack ets , during the remainder of the current authentication-chan ge interval. Af ter this, the software uses the new authentication f or send ...

  • Brocade Communications Systems ICX 6650 - page 206

    188 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Brocade(config-if-1/1/5)#ip ospf database-filter all out Brocade(config-if-1/1/5)#clear ip ospf all The first command in this example blocks all outb ound LSAs on the OSPF int er face configured on por t 1/1/5. The second command resets OSPF an d places the comm ...

  • Brocade Communications Systems ICX 6650 - page 207

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 189 53-1002603-01 Configuring OSPF Example of specifying OSPF neighbor address Brocade#show ip ospf interface v20,OSPF enabled IP Address 10.1.20.4, Area 0 OSPF state BD, Pri 1, Cost 1, Options 2, Type non-broadcast Events 6 Timers(sec): Transit 1, Retrans 5, Hello 10, Dead 40 DR: Router ID 10.1. ...

  • Brocade Communications Systems ICX 6650 - page 208

    190 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF FIGURE 22 Defining OSPF vir tual links within a network Example Figure 22 s h ows an O SP F a re a bo rde r ro u ter, Dev ic eA , th a t i s c u t o f f fro m t he b ac kb o ne ar e a ( ar ea 0). T o pro vide backbone access to De viceA, you can add a virtual li ...

  • Brocade Communications Systems ICX 6650 - page 209

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 191 53-1002603-01 Configuring OSPF Refe r to “Modifying vir tual link parameters” on page 19 1 for descriptions of the optional parameters. Modifying virtual link parameters OSPF has some paramet er s that you can modify f or vir tual links. Notice that these are the same parameters as the on ...

  • Brocade Communications Systems ICX 6650 - page 210

    192 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Hello Interval : The length of time between the transmission of hello pack ets. The range is 1 through 655 35 seconds. Th e default is 1 0 seconds. Ret ra n sm it In te r va l : The interval between the re-transmiss ion of link state adv er tis ements to rout er ...

  • Brocade Communications Systems ICX 6650 - page 211

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 193 53-1002603-01 Configuring OSPF By default, an int er face OSPF cost is based on the por t speed of the interface. The cost is calculated b y dividing the reference bandwidth b y the port speed. The default ref erence bandwidth is 1 00 Mbps, w hich results in the follo win g default costs: • ...

  • Brocade Communications Systems ICX 6650 - page 212

    194 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF • The cost of a vir tual link is ca lculated using the Shor test Path F irst (SPF) algorithm and i s not affected by the auto-cost f eature. • The bandwidth for tunnel inter faces is 9 Kbps and is not affect ed by the auto-cost f eature. Changing the referen ...

  • Brocade Communications Systems ICX 6650 - page 213

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 195 53-1002603-01 Configuring OSPF NOTE The ASBR must be running both RIP and OS PF prot ocol s to support this activity . T o configure for redistribution, de fine the redistribution tab les wi th den y and permit redistribution filters. Use the deny redistribute and permit redistribut e command ...

  • Brocade Communications Systems ICX 6650 - page 214

    196 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF NOTE Redistribution is permitt ed for all r outes by def ault, so the permit redistribute 1 all command in the example ab ov e is shown for clarity but is no t required. Y ou also hav e the option of specifying import of just OSPF , BGP4, or static routes, as w ...

  • Brocade Communications Systems ICX 6650 - page 215

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 197 53-1002603-01 Configuring OSPF Preventing specific OSPF ro utes from being installed in the IP route table By default, all OSPF routes in the OSPF route table ar e eligibl e f o r installation in the IP route table. Y ou can configure a distribution list to explicitly den y specif ic rout es ...

  • Brocade Communications Systems ICX 6650 - page 216

    198 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Syntax: deny | permit source-ip wildcar d The AC L - n am e | AC L - i d parameter specifies the A CL name or ID. The in command applies the ACL to incoming rout e updates. The interface number parameter specifies the int er face number on which t o apply the AC ...

  • Brocade Communications Systems ICX 6650 - page 217

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 199 53-1002603-01 Configuring OSPF The first three commands configure an ext ended ACL that denies routes t o any 1 0.x.x.x destination network with a 255.255.0.0 network mask and allo ws all other rout es for eligibility t o be installed in the IP ro ute table. The last three c ommands change th ...

  • Brocade Communications Systems ICX 6650 - page 218

    200 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF NOTE If you enable the soft ware t o display IP subnet masks in CIDR format, the mask is sav ed in the file in “/ mask-bits ” f ormat. T o enable the sof tware to display the CIDR masks, ent er the ip show-subnet-len gth command at the global CONFIG lev el o ...

  • Brocade Communications Systems ICX 6650 - page 219

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 201 53-1002603-01 Configuring OSPF Example using a route map T o configure a rout e map and use it for redistributi on o f ro u te s in to O S P F , en te r c om m a n ds s u ch a s the fo llowing. The commands in this example configure some st atic IP r outes, then co nfigure a rout e map and us ...

  • Brocade Communications Systems ICX 6650 - page 220

    202 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF NOTE When you use a route map for r oute redistribution, th e software disregards the permit or deny action of the ro ute map. NOTE For an e xternal r oute that is redistributed int o OSPF thr ough a route map, the metric v alue of the rout e remains the same un ...

  • Brocade Communications Systems ICX 6650 - page 221

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 203 53-1002603-01 Configuring OSPF FIGURE 2 4 Example OSPF network with four equal-cost paths In the example in Figure 2 4 , the Brocade switch has f our paths to R1: • Brocade Switch->R3 • Brocade Switch->R4 • Brocade Switch->R5 • Brocade Switch->R6 Normally , the Brocade swi ...

  • Brocade Communications Systems ICX 6650 - page 222

    204 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Configuring external route summarization When the La yer 3 Switch is an OSPF Aut onomo us System Boundar y Router (ASBR), you can configure it to advertise one external r oute as an aggregat e for all redistribut ed routes that are cov ered by a specified addres ...

  • Brocade Communications Systems ICX 6650 - page 223

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 205 53-1002603-01 Configuring OSPF T o display the configured summar y addresses, use the show ip ospf config command at any lev el of the CLI. The summary addresses displa y at the bo tto m of the output as shown in the f ollowing exa mp le . Syntax: show ip ospf config Configuring default route ...

  • Brocade Communications Systems ICX 6650 - page 224

    206 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF T o disable the feature, ent er the no default-information-orig inate command. Brocade(config-ospf-router)#no default-information-originate Syntax: [ no ] default-information-ori ginate [ alw ays ] [ metric value ] [ metric-type type ] The alwa ys parameter adv ...

  • Brocade Communications Systems ICX 6650 - page 225

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 207 53-1002603-01 Configuring OSPF Modifying the redist ribution metric type The redistribution metric type is used by def aul t for all rout es impor ted int o OSPF unless you specify dif f erent metrics for individual rout es usin g redistribution filters. T ype 2 specifies a big metric (three ...

  • Brocade Communications Systems ICX 6650 - page 226

    208 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF The exter na l | inter -area | intra-area parameter specifies the r oute type f or which you are changing the default administrative distance. The dis tance parameter specifies the new distance f or the specified r oute type. Unless you change the distance for o ...

  • Brocade Communications Systems ICX 6650 - page 227

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 209 53-1002603-01 Configuring OSPF T o later re-enable the trap f eature, ent er snmp-ser ver trap ospf . T o disable a specific OSPF trap, enter the command as no snmp-server trap ospf ospf-trap . These commands are at the OSPF router le vel of the CLI. Here is a summary of OSPF tr aps suppor te ...

  • Brocade Communications Systems ICX 6650 - page 228

    210 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Syntax: [ no ] log all | adjacency | bad_pa cket [ checksum ] | database | memor y | retransmit The all option causes all OSPF-related Syslog messages to be logg ed. If you later disable this option with the no log all command, the OSPF lo gging optio ns return ...

  • Brocade Communications Systems ICX 6650 - page 229

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 211 53-1002603-01 Configuring OSPF Configuring an OSPF point-to-point link In an OSPF point- to-point link, a direct Layer 3 connection exists betw een a single pair of OSPF rout ers, without the need f or Designat ed and Backup Designated r outers. In a point-t o-point link , neighboring rout er ...

  • Brocade Communications Systems ICX 6650 - page 230

    212 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Clearing OSPF information Configuring the OSPF graceful restart time Use the f ollowing commands to specify the maxi mum amount of time advertised to a neighbor rout er to maintain rout es from and f or war d traf fic to a restar ting rout er . Brocade(config) router ospf Brocad ...

  • Brocade Communications Systems ICX 6650 - page 231

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 213 53-1002603-01 Clearing OSPF information This command clears all OSPF ne ighbors and the OSPF r outes e xchanged with the neighbors in the Brocade OSPF link state database. After this inf o rma tion is cleared, adjacencies wit h all neighbors are re-established, and rout es with these neighbor ...

  • Brocade Communications Systems ICX 6650 - page 232

    214 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n T o clear information on the Br ocade device ab out OSPF area 1, enter the f ollowing command. Brocade#clear ip ospf area 1 This command clears inf o rmation about the specif ied area ID. Information about other OSPF areas is not affected. The comman ...

  • Brocade Communications Systems ICX 6650 - page 233

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 215 53-1002603-01 Displaying OSPF information Router id: 192.168.2.1 Interface State Change Trap: Enabled Virtual Interface State Change Trap: Enabled Neighbor State Change Trap: Enabled Virtual Neighbor State Change Trap: Enabled Interface Configuration Error Trap: Enabled Virtual Interface Conf ...

  • Brocade Communications Systems ICX 6650 - page 234

    216 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n If the soft ware has been running less than 15 minutes (the maximu m interval for utilization statistics), the command indicat es how long the so f tware has been running. Here is an example. T o display utilization statistics for a specific number o ...

  • Brocade Communications Systems ICX 6650 - page 235

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 217 53-1002603-01 Displaying OSPF information The area-id parameter shows inf ormation for the specified area. The num parameter displa ys the entr y that corresponds to the entr y number you ent er . The entry number identifies the entry position in the area table. This display sho w s the f oll ...

  • Brocade Communications Systems ICX 6650 - page 236

    218 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n The num parameter displa ys only the entr y in the specif ied index position in the neighbor table. F or exam ple, if you ent er “1”, only the first entry in the table is display ed. The detail parameter displa ys detailed information about the n ...

  • Brocade Communications Systems ICX 6650 - page 237

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 219 53-1002603-01 Displaying OSPF information Displaying OSPF interface information T o display OSPF inter face information, ent er t he show ip ospf in ter face command at an y CLI level. Syntax: show ip ospf interface [ ip-addr ] The ip-addr parameter displays th e OSPF inter face information f ...

  • Brocade Communications Systems ICX 6650 - page 238

    220 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Displaying OSPF route information T o display OSPF rout e information f or the router , enter the sh ow ip ospf routes command at an y CLI lev el . Syntax: show ip ospf r outes [ ip-addr ] The ip-addr parameter specifies a destination IP address. If ...

  • Brocade Communications Systems ICX 6650 - page 239

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 221 53-1002603-01 Displaying OSPF information Displaying the routes that have been redistributed into OSPF Y ou can display the r outes that ha ve been redist ributed into OSPF . T o display the redistribut ed rout es, enter the show ip ospf redistribute r oute command at an y level of the CLI. I ...

  • Brocade Communications Systems ICX 6650 - page 240

    222 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Syntax: show ip ospf redistribute r oute [ ip-addr ip-mask ] The ip-addr ip-mask parameter specifies a network prefix and network mask. Here is an example. Displaying OSPF external link state information T o display ext ernal link state information, ...

  • Brocade Communications Systems ICX 6650 - page 241

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 223 53-1002603-01 Displaying OSPF information Displaying OSPF link state information T o display link stat e information, enter the show ip ospf database link-state command at an y CLI lev el . Brocade#show ip ospf database link-state Syntax: show ip ospf database link -state [ advertise num ] | ...

  • Brocade Communications Systems ICX 6650 - page 242

    224 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Displaying the data in an LSA Y ou can use the CLI to display the data the La yer 3 Switch received in a specific Ext ernal LSA pack et or other type of LSA packet. F or example, to displa y the LSA data in entr y 3 in the External LSA table, ent er ...

  • Brocade Communications Systems ICX 6650 - page 243

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 225 53-1002603-01 Displaying OSPF information Brocade#show ip ospf virtual-link Syntax: show ip ospf virtual-link [ num ] The num parameter displa ys the table beginning at the specified entry number . Displaying OSPF ABR and ASBR information T o display OSPF ABR and AS BR inf ormat ion, enter th ...

  • Brocade Communications Systems ICX 6650 - page 244

    226 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Displaying OSPF gracef ul restart information T o display OSPF graceful restart info rmation f or OSPF neighbors, use the show ip ospf neighbors command. Brocade#show ip ospf neighbors Port Address Pri State Neigh Address Neigh ID Ev Opt Cnt 1/1/2 19 ...

  • Brocade Communications Systems ICX 6650 - page 245

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 227 53-1002603-01 Chapter 6 OSPF version 3 (IPv6) Ta b l e 4 2 lists the Open Shor test Path First (OSPF) v ersion 3 (IPv6) f eatures Brocade ICX 6650 devic es suppor t . These f eatures are suppor ted with premium I Pv6 devices running the full La yer 3 soft ware image. OSPF (IPv6) overview Open ...

  • Brocade Communications Systems ICX 6650 - page 246

    228 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Differences between OSPF V2 and OSPF V3 NOTE The terms La yer 3 Switch and router are used int erchangeably in this chapt er and mean the same thing. Differences between OSPF V2 and OSPF V3 IPv6 suppor ts OSPF V3 functions similarly to OSPF V2 (the current v er sion that IPv4 su ...

  • Brocade Communications Systems ICX 6650 - page 247

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 229 53-1002603-01 OSPF V3 configurati on OSPF V3 configuration T o configure OSPF V3, you must per form the f ollowing tasks: 1. “Enabling OSPF V3” on page 229 2. “ Assigning OSPF V3 areas” on page 230 3. “ Assigning interfaces to an area” on page 23 1 The following configuration task ...

  • Brocade Communications Systems ICX 6650 - page 248

    230 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Brocade(config-ospf6-router)#no ipv6 router ospf ipv6 router ospf mode now disabled. All ospf config data will be lost when writing to flash! If you ha ve disabled the pr otocol but ha ve not ye t sav ed the configura tion to the startup-config f ile and re ...

  • Brocade Communications Systems ICX 6650 - page 249

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 231 53-1002603-01 OSPF V3 configurati on When you disable the summary LSAs , the change tak es effect immedi at ely . If you apply the option to a pre viously configured area, the rout er flushes all of the summary LSAs it has generated (as an ABR) from the area. NOTE This f eature applies only w ...

  • Brocade Communications Systems ICX 6650 - page 250

    232 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration • When assigned fro m the router int er face requir ing a logical connection, the neighbor rout er field is the rout er ID (IPv4 address) of the r out er that is ph ysically connected to the backbone. When assigned fro m the r outer interface with the ph ...

  • Brocade Communications Systems ICX 6650 - page 251

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 233 53-1002603-01 OSPF V3 configurati on The ethernet | loopback | tunnel | ve parameter specifies the interface from which the rout er derives the sour ce IPv6 address for communication acr oss the vir tual link. If you specify an Ethernet inter face, also specify the por t num ber associated wi ...

  • Brocade Communications Systems ICX 6650 - page 252

    234 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Changing the reference bandwidth for the cost on OSPF V3 interfaces Each interface on which OSPF V3 is enabled has a cost associated with it. The B rocade de vice advertises its interfaces and their costs to OSPF V3 neighbors. F or example, if an int er fac ...

  • Brocade Communications Systems ICX 6650 - page 253

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 235 53-1002603-01 OSPF V3 configurati on • 155 Mbps por t cost = 500/155 = 3.23 , which is rounded up t o 4 • 622 Mbps port cost = 500/622 = 0.80, which is rounded up t o 1 • 2 488 Mbps por t cost = 500/2 488 = 0.20, which is r ounded up to 1 The costs f or 10 Mbps, 1 00 Mbps, and 155 Mbps ...

  • Brocade Communications Systems ICX 6650 - page 254

    236 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration The metric-type type parameter specifies an OSPF metric ty pe f or the redistributed r oute. Y ou can specify ext ernal type 1 or ext ernal type 2. If a v al ue is not specified for this option, the Br oc ade devic e uses the value specified by the metric-t ...

  • Brocade Communications Systems ICX 6650 - page 255

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 237 53-1002603-01 OSPF V3 configurati on NOTE When you use a route map for r oute redistribution, th e software disregards the permit or deny action of the ro ute map. NOTE For an e xternal r oute that is redistributed int o OSPF V3 through a rout e map, the metric value of the rout e remains the ...

  • Brocade Communications Systems ICX 6650 - page 256

    238 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration External route summarization When the Brocade de vice is an OSPF Aut onomo us System Boundary Rout er (ASBR), you can configure it to advertise one external r oute as an aggregat e for all redistribut ed routes that are cov ered by a specified IPv6 address ...

  • Brocade Communications Systems ICX 6650 - page 257

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 239 53-1002603-01 OSPF V3 configurati on Filtering OSPF V3 routes Y ou can filt er the routes to be plac ed in the OSPF V3 rout e table by configuring distribut ion lists. OSPF V3 distribution lists can be a pplied globally or t o an inter face. The functionalit y of OSPF V3 distribution li sts i ...

  • Brocade Communications Systems ICX 6650 - page 258

    240 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Af ter this distribution list is configured, route 2 001: db8::/64 would be omitted fr om the OSPF V3 rout e table. The f ollowing commands specify an IPv6 prefix list called filt erOspfRoutesV e that denies rout e 200 1:db8::/64. Brocade(config)#ipv6 prefi ...

  • Brocade Communications Systems ICX 6650 - page 259

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 241 53-1002603-01 OSPF V3 configurati on Configuring an OSPF V3 distribution list using a route map as input The f ollowing commands configure a rout e map that matches internal rout es. Brocade(config)#route-map allowInternalRoutes permit 10 Brocade(config-routemap allowInternalRoutes)#match rou ...

  • Brocade Communications Systems ICX 6650 - page 260

    242 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration NOTE The default action rule f or rou te -m a p is to deny all r outes that are not explicitly permitt ed. If you configure a “ deny” r oute map but want to permit ot her r outes that do not match the rule, configure an “empty” permit ro ute map. Fo ...

  • Brocade Communications Systems ICX 6650 - page 261

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 243 53-1002603-01 OSPF V3 configurati on The metric-type type parameter specifies the e xternal link type associated with the default r oute advertised into the OSPF r outing domain. The type can be one of the follo wing: • 1 – T ype 1 external r oute • 2 – T ype 2 external r oute If you ...

  • Brocade Communications Systems ICX 6650 - page 262

    244 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Administrative distance The Bro cade device can learn about ne tworks fr om various pro tocols, including I Pv6, RIPng, and OSPF V3. Consequently , the rout es to a netwo rk may differ depending on the prot ocol from which the rout es were learned. B y defa ...

  • Brocade Communications Systems ICX 6650 - page 263

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 245 53-1002603-01 OSPF V3 configurati on Configuring the OSPF V3 LSA pacing interval The Br ocade device paces OS PF V3 LSA refreshes by delaying the refreshes for a specifie d time interval inst ead of per forming a refresh each time an individu al LSA refr esh timer expires. The accumulated L S ...

  • Brocade Communications Systems ICX 6650 - page 264

    246 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Brocade(config-ospf6-router)#external-lsdb-limit 3000 Syntax: ipv6 ospf area number | ipv4-address The entries parameter can be a numerical value from 5 00–8000 seconds. T o reset the maximum number of entries t o its system default, ent er the no f orm o ...

  • Brocade Communications Systems ICX 6650 - page 265

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 247 53-1002603-01 OSPF V3 configurati on • T ransmit-delay: The time it takes to transmit Link Stat e Update pack ets on this interface. The command syntax is ipv6 ospf transmit-delay seconds . The value can be from 0–3600 seconds. The default is 1 seco nd. Disabling or re-enabling event logg ...

  • Brocade Communications Systems ICX 6650 - page 266

    248 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Instructions fo r conf iguring IPse c on th ese entities appear in “IPsec f or OSPF V3 configuration” on page 2 48. IPsec on a vir tual link is a glo bal configurat ion. Interface and area IPsec configurations are more granular . Among the entities that ...

  • Brocade Communications Systems ICX 6650 - page 267

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 249 53-1002603-01 OSPF V3 configurati on General considerations when configuring IPsec for OSPF V3 The IPsec component generat es se curity associations and securi ty policies base d on cer tain user-spec ified parameters. The parameters are des cribed with the syntax of each command in this sect ...

  • Brocade Communications Systems ICX 6650 - page 268

    250 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Interface and area IPsec considerations This section describes the prec edence of int er face and area IPsec configurations. If yo u configure an inte r face IPsec by using the ipv6 ospf authentication comman d in the conte xt of a specific interface, that ...

  • Brocade Communications Systems ICX 6650 - page 269

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 251 53-1002603-01 OSPF V3 configurati on NOTE The IPsec configuration for an interface applies to the inbound and outbound directions. Also, the same authenticati on parameters must be used b y all route rs on the network t o which the interface is connecte d, as described in section 7 of RFC 455 ...

  • Brocade Communications Systems ICX 6650 - page 270

    252 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Configuring IPsec for an area This application of the area command (for IPsec) applies to all of the inter faces that belong to an area unless an interface has its own IPsec configuratio n. (As described in “Disabling IPsec on an interface” on page 253, ...

  • Brocade Communications Systems ICX 6650 - page 271

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 253 53-1002603-01 OSPF V3 configurati on Syntax: [no] area area-id vir tual nb rid authenticati on ipsec spi spinum esp sha1 [no-encr ypt] key The no form of this command deletes IPsec fr om the vir tual link. The area command and the area-id variable specify the area is t o be configured. The ar ...

  • Brocade Communications Systems ICX 6650 - page 272

    254 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Changing the key rollover timer Configuration changes for authentication takes ef f ect in a controlled manner thr ough the ke y ro llover pr ocedure as specified in RFC 4552, Se ction 1 0. 1. The ke y rollov er time r controls the timing of the co ...

  • Brocade Communications Systems ICX 6650 - page 273

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 255 53-1002603-01 Displaying OSPF V3 Information • Vir tual link s • Vir tual neighbor s • IPsec Displaying OSPF V3 area information T o display global OSPF V3 area information for the Brocade de vice, enter the f ollowing command at any CLI le vel. Syntax: show ipv6 ospf area [ area id ] Y ...

  • Brocade Communications Systems ICX 6650 - page 274

    256 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 database information Y ou can display a summary of the link state databa se or detailed inf o rmation about a specified LSA type. T o display a summary of a device link stat e database, enter the sh o w i pv 6 o sp f d a t a ba s ...

  • Brocade Communications Systems ICX 6650 - page 275

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 257 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. For e xample, to displa y detailed inf ormation about all LSAs in the database, enter the show ipv6 ospf database ext ensive command at an y CLI level. TA B L E 4 4 OSPF V3 database summary f ields F ...

  • Brocade Communications Systems ICX 6650 - page 276

    258 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information NOTE Portio ns of this display are truncated for brevity . The purpose of this display is t o show all possible fields that might display rather than to sho w complete output. Brocade#show ipv6 ospf database extensive Area ID Type LS ID Adv Rtr Seq ...

  • Brocade Communications Systems ICX 6650 - page 277

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 259 53-1002603-01 Displaying OSPF V3 Information The fields that displa y depend upon the LS A type as show n in the following table. TA B L E 4 5 OSPF V3 detailed dat abase information f ields Field Description Router LSA (Type 1) (Rtr) fields Capability Bits A bit that indicates the capabi lity ...

  • Brocade Communications Systems ICX 6650 - page 278

    260 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Network LSA (Type 2) (Net) fiel ds Options A 24-bit field that enables IPv6 OSPF routers to suppor t the opti onal capabilities. Wh en set, the following bits indicate the following: V6 – The device shoul d be included in IPv6 routing calculation ...

  • Brocade Communications Systems ICX 6650 - page 279

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 261 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 interface information Y ou can display a summar y of inf o rmation for all OSPF V3 inter faces or detailed information about a specified OSPF V3 int er face. T o display a summary of OSPF V3 interfaces, enter th e show ipv6 ospf ...

  • Brocade Communications Systems ICX 6650 - page 280

    262 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. For e xample, to displa y detailed inf ormation about Ethernet interface 2, enter the show ipv6 ospf interface ethernet command at an y lev el of the CLI. TA B L E 4 6 Summar y of OSPF V3 inter face ...

  • Brocade Communications Systems ICX 6650 - page 281

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 263 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. TA B L E 47 Det ailed OSPF V3 int er face information Field Description Interface status The status of the interface. Possible status includes the following: • Up. • Down. T ype The type of OSPF ...

  • Brocade Communications Systems ICX 6650 - page 282

    264 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 memory usage T o di splay inf ormation about OSPF V3 m em or y us age , e nter th e show ipv6 ospf me mor y co mmand at any le vel of the CLI. Syntax: show ipv6 ospf memory Neighbor The router ID (IPv4 address) of the neighbor . ...

  • Brocade Communications Systems ICX 6650 - page 283

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 265 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. Displaying OSPF V3 neighbor information Y ou can displa y a summar y of OSPF V3 neighbor information f or the Brocade de vice or detailed information about a specified neighbor . T o display a summar ...

  • Brocade Communications Systems ICX 6650 - page 284

    266 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information For e xample, to displa y detailed inf ormation about a neighbor with the r outer ID of 1. 1. 1. 1, enter the show ipv6 ospf neighbor r outer-id command at an y CLI lev el. This display sho w s the f ollowing information. BDR The route r ID (IPv4 a ...

  • Brocade Communications Systems ICX 6650 - page 285

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 267 53-1002603-01 Displaying OSPF V3 Information Displaying routes redistributed into OSPF V3 Y ou can displa y all IPv6 routes or a specified IPv6 r oute that the Brocade de vice has redistributed into OSPF V3. T o display all IPv6 rout es that the device has redistributed int o OSPF V3, enter t ...

  • Brocade Communications Systems ICX 6650 - page 286

    268 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf redistribut e rout e [ ipv6-prefix ] The ipv6-prefix parameter specifies an IPv6 network prefix . (Y ou do not need t o specify the length of the prefix.) For e xample, to displa y redistribution in formation f or the prefix ...

  • Brocade Communications Systems ICX 6650 - page 287

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 269 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf r outes [ ipv6-prefix ] The ipv6-prefix paramet er specifies a destination IPv6 prefix. (Y ou do not need t o specify the length of the prefix.) If y ou use this parameter , only the route entries for this destination are sho ...

  • Brocade Communications Systems ICX 6650 - page 288

    270 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 SPF information Y ou can display the f ollowing OSPF V3 SPF inf ormation: • SPF node info rmation for a specified area. • SPF table f or a specified area. • SPF tree f or a specified area. For e xample, to displa y informat ...

  • Brocade Communications Systems ICX 6650 - page 289

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 271 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf spf node area [ area-id ] The node ke yword displa ys SPF node inf ormation. The area area-id parameter specifies a part icular area. Y ou can specify the area-id in the following fo rm a t s : • As an IPv4 address; f or ex ...

  • Brocade Communications Systems ICX 6650 - page 290

    272 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information For e xample, to display the SPF tree f or area 0, enter the show ipv6 ospf spf tree area command at any le vel of the CLI. Syntax: show ipv6 ospf spf tree area area-id The tree ke yword displa ys the SPF table. The area area-id parameter specifies ...

  • Brocade Communications Systems ICX 6650 - page 291

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 273 53-1002603-01 Displaying OSPF V3 Information Displaying IPv6 OSPF virtual link information T o display OSPF V3 vir tual link inf orm ation for the Br ocade device , enter the sho w ipv6 ospf vir tual-link command at an y level of the CLI. Syntax: show ipv6 ospf virt ual-link This display sho ...

  • Brocade Communications Systems ICX 6650 - page 292

    274 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information IPsec examples This section contains exampl es of IPsec config uration and the output from the IPsec-specific show commands. In addition, IPsec- relat ed inf ormation appears in general show command output for interfaces and areas. The show command ...

  • Brocade Communications Systems ICX 6650 - page 293

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 275 53-1002603-01 Displaying OSPF V3 Information Showing IPsec po licy The show ipsec policy command displays the database f or the IP sec security policies. The fields f or this show command output appear in the screen output e xample that follows. Ho wev er , you should understand the la yout a ...

  • Brocade Communications Systems ICX 6650 - page 294

    276 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Showing IPsec statis tics The sho w ip sec statistics command displays the err or and other counters f or IPsec, as this example shows. Source The source addr ess consists of the IPv6 prefix and the TCP or UDP port identifier . Destination The dest ...

  • Brocade Communications Systems ICX 6650 - page 295

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 277 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipsec statistics This command takes no parameters. Displaying IPsec conf iguration for an area The show ipv6 ospf area [ area- id ] command includes information ab out IPsec f or one area or all areas. In the ex ample that follo ws, th ...

  • Brocade Communications Systems ICX 6650 - page 296

    278 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying IPsec for an interface T o see IPsec conf iguration for a particul ar inter face or all int er faces, use the show ipv6 ospf inter face command as in the following e xample (IPsec information in bold). Syntax: show ipv6 ospf interface [e ...

  • Brocade Communications Systems ICX 6650 - page 297

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 279 53-1002603-01 Displaying OSPF V3 Information Displaying IPsec for a virtual link T o display IPsec f or a vir tua l link, run the show ipv6 ospf vir tual-link brief or show ipv6 ospf vir tual-link co mmand, as the follo w ing examples illustrate. TA B L E 6 0 Area configur at ion of IPsec Fie ...

  • Brocade Communications Systems ICX 6650 - page 298

    280 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf vir tual-link [brief] The optional [brief] k eywor d limits the display to th e T ransit, Area ID, Router ID, Int er face Address, and State fields f or each link. Changing a key In this example, the k ey is changed as illust ...

  • Brocade Communications Systems ICX 6650 - page 299

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 281 53-1002603-01 Chapter 7 BGP (IPv4) Ta b l e 61 lists the Bor der Gatew ay Pro tocol (BGP4) features Br ocade ICX 6650 de vices suppor t. BGP4 f eatures are suppor ted on Br ocade ICX 6650 de vices running the full Layer 3 sof tware image. This chapter pr ovides details on how to co nfigur e B ...

  • Brocade Communications Systems ICX 6650 - page 300

    282 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 overview BGP4 overview Border G atew ay Pro tocol 4 (BGP4) is the standa rd Exteri or Gatew ay Pro tocol (EGP) used on the Internet to rout e traf fic between Autonomous Syst ems ( A S) and to maintain loop-free routing. An autonomous system is a collection of networks that ...

  • Brocade Communications Systems ICX 6650 - page 301

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 283 53-1002603-01 BGP4 overview Although a La yer 3 Switch BGP4 r oute table can ha ve multiple r outes t o the same destination, the BGP4 prot ocol evaluat es the rout es and chooses only one of the rout es to send to the IP rout e table. The rout e that BGP4 chooses and sends to th e IP r oute ...

  • Brocade Communications Systems ICX 6650 - page 302

    284 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 overview 3. If the weights are the same, prefer the route with the largest local preferenc e. 4. If the r outes ha ve the same local pref erence, pref er the route that was originated lo cally (by this BGP4 Lay er 3 switch). 5. If the local pref erences are the same, pref e ...

  • Brocade Communications Systems ICX 6650 - page 303

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 285 53-1002603-01 BGP4 overview NOTE Brocade Lay er 3 swi tches suppor t BG P4 load sh aring among multiple eq ual-cost paths. BGP4 load sharing enables the Layer 3 switch to bala nce the traf fic across the multiple paths instead of choosing just one path based on rout er ID. F o r EBGP routes, ...

  • Brocade Communications Systems ICX 6650 - page 304

    286 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 overview UPDATE messages from BGP4 routers Af ter BGP4 neighbors establ ish a BGP4 connectio n ov er TCP and ex change their BGP4 routing tables, they do no t send periodic routing upd a tes. I n s t e a d , a B G P 4 n e i g h b o r s e n d s a n u p d a te t o i t s neigh ...

  • Brocade Communications Systems ICX 6650 - page 305

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 287 53-1002603-01 BGP4 graceful restart BGP4 graceful restart BGP4 graceful restar t is a high-availability r outing feature that minimizes disruption in traf fic forwar ding, diminishes route flapping , and provides continuous service during a syst em restar t. During such ev ents, rout es remai ...

  • Brocade Communications Systems ICX 6650 - page 306

    288 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 parameters Brocade> enable Brocade#configure terminal Brocade(config)#router bgp BGP4: Please configure 'local-as' parameter in order to enable BGP4. Brocade(config-bgp-router)#local-as 10 Brocade(config-bgp-router)#neighbor 192.168.23.99 remote-as 100 Brocade( ...

  • Brocade Communications Systems ICX 6650 - page 307

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 289 53-1002603-01 BGP4 parameters • Optional – Specify a list of individual networks in the local AS to be adv er tised to remo te autonomous systems using BGP4. • Optional – Change the default local pre ference f or routes. • Optional – Enable the default r oute (def ault-information ...

  • Brocade Communications Systems ICX 6650 - page 308

    290 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 parameters • Add neighbors. • Change the update time r for r oute changes. • Disable or enable fast e xternal fallov er . • Specify individual networks that can be adver tised. • Change the default lo cal preference, def ault info rmation originat e sett ing, or a ...

  • Brocade Communications Systems ICX 6650 - page 309

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 291 53-1002603-01 Basic configuration tasks required for BGP4 Basic configuration tasks required for BGP4 The f ollowing sections describe ho w to per for m th e configuration tasks that are required to use BGP4 on the Brocade Layer 3 switch. Y ou can modi fy many paramet ers in addition to the o ...

  • Brocade Communications Systems ICX 6650 - page 310

    292 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 Setting the local AS number The local AS number ide n tifies the AS the Br ocade BGP4 rout er is in. The AS number can be fr om 1 through 65535 . There is no default. AS nu mbers 645 12 through 655 35 are the well-known privat e BGP4 A ...

  • Brocade Communications Systems ICX 6650 - page 311

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 293 53-1002603-01 Basic configuration tasks required for BGP4 NOTE If the La yer 3 switch has multiple neighbors with similar attributes, you can simplify configuration by configuring a peer gr oup, then addi ng individual neighbors t o it. Th e configuration steps are similar , ex cept you speci ...

  • Brocade Communications Systems ICX 6650 - page 312

    294 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 advertisement-interval num specifies the minimum delay (in seconds) between messages to the specified neighbor . The default is 30 for EBGP ne ighbors (neighbors in other autonomous systems). The default is 5 f or IBGP neighb ors (neig ...

  • Brocade Communications Systems ICX 6650 - page 313

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 295 53-1002603-01 Basic configuration tasks required for BGP4 filter -list in | out num,num,.. specifies an AS-path filter list or a list of AS-path ACLs. The in | out ke yword specifies whe ther the list is applied on updat es received from the ne ighbor or sent to the neighbor . If you specify ...

  • Brocade Communications Systems ICX 6650 - page 314

    296 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 NOTE If you w ant the sof tware to assume that the v alu e you ent er is the clear-t ext f orm, and to encr ypt display of that form, do not enter 0 or 1. I n stead, omit the encr yption option and allow the software to use the default ...

  • Brocade Communications Systems ICX 6650 - page 315

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 297 53-1002603-01 Basic configuration tasks required for BGP4 unsuppress-map map-name remov es rout e dampening fr om a neighbor rout es when those rout es ha ve been dampened due t o aggregation. Ref er to “Remo ving route dampening from neighbor rout es suppressed due t o aggregation” on pa ...

  • Brocade Communications Systems ICX 6650 - page 316

    298 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 Notice that the sof tware has converted the comman ds that specify an auth entication string into the new syntax (described belo w), and has encr yp t ed display of the authentication strings. Command syntax Since the default beha vior ...

  • Brocade Communications Systems ICX 6650 - page 317

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 299 53-1002603-01 Basic configuration tasks required for BGP4 The enable passw ord-display command enables display of the auth entication string, but only in the output of the show ip bgp neighbors command. Displa y of the string is still encrypted in the star tup-conf ig file and running-config. ...

  • Brocade Communications Systems ICX 6650 - page 318

    300 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 NOTE If you ent er a command to remo ve the remot e AS paramet er from a peer gr oup, the sof tware checks to ensure that the peer gr oup does not contain an y neighbors. If the peer gr oup does contain neighbors, the sof tware does no ...

  • Brocade Communications Systems ICX 6650 - page 319

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 301 53-1002603-01 Basic configuration tasks required for BGP4 • If you add a paramet er to a peer group that alre ady conta ins neighbors, the parameter value is applied to neighbors that do no t already have the paramet er explicitly set. If a neighbor has the parameter e xplicit ly set, the e ...

  • Brocade Communications Systems ICX 6650 - page 320

    302 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 [ sof t-reconfiguration inbound ] [ shutdown ] [ timers keep-alive num hold-time num ] [ update-sour ce loopback num ] [ wei gh t num ] The ip-addr | peer-group-name parameter indicates whether y ou are configuring a peer group or an i ...

  • Brocade Communications Systems ICX 6650 - page 321

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 303 53-1002603-01 Basic configuration tasks required for BGP4 NOTE The sof tware also contains an op tion t o end the session with a BGP4 neighbor and thus clear the rout es learned from the neighbor . Unlik e this clear option, the option f or shutting down the neighbor can be sav ed in the star ...

  • Brocade Communications Systems ICX 6650 - page 322

    304 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks T o shut down a BGP4 neighbor , ente r commands such as the following. Brocade(config)#router bgp Brocade(config-bgp-router)#neighbor 192.168.22.26 shutdown Brocade(config-bgp-router)#write memory Syntax: [ no ] neighbor ip-addr shutdown The ip- ...

  • Brocade Communications Systems ICX 6650 - page 323

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 305 53-1002603-01 Optional BGP4 configura tion tasks This command changes the updat e timer to 15 seconds. Syntax: [ no ] update-time secs The secs parameter specifies the number of seconds and can be fr om 1 through 30. The def ault is 5. Enabling fast external fallover BGP4 rout ers rely on KEE ...

  • Brocade Communications Systems ICX 6650 - page 324

    306 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks How load sharing affe cts route selection During ev alu ation of multiple paths to select the best path to a given destination f or inst allment in the IP rout e table, the last comparison the La yer 3 switch per f orms is a comparison of the in ...

  • Brocade Communications Systems ICX 6650 - page 325

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 307 53-1002603-01 Optional BGP4 configura tion tasks T o change the maximum number of shared path s, enter commands such as the f ollowing. Brocade(config)#router bgp Brocade(config-bgp-router)#maximum-paths 4 Brocade(config-bgp-router)#write memory Syntax: [ no ] maximum -paths num The num param ...

  • Brocade Communications Systems ICX 6650 - page 326

    308 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks T o configure the La yer 3 switch t o adver tise networ k 209. 15 7 .22.0/2 4, ent er the follo wing command. Brocade(config-bgp-router)#network 192.168.22.0 255.255.255.0 Syntax: network ip-addr ip-mask [ nlri multicast | unicast | multicast un ...

  • Brocade Communications Systems ICX 6650 - page 327

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 309 53-1002603-01 Optional BGP4 configura tion tasks The route - ma p map -name paramet er specifies the name of the ro ute map you w ant to use to set or change BGP4 attribut es for the netw ork you are adv er tising. The rout e map must already be configu red. For inf ormation about the other p ...

  • Brocade Communications Systems ICX 6650 - page 328

    310 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks Advertising the default route By default, the La yer 3 switch does no t originate and adv er tise a default rout e using BGP4. A BGP4 default r oute is the IP address 0.0.0.0 and the rout e prefix 0 or network mask 0.0.0 .0. For exam ple, 0.0.0. ...

  • Brocade Communications Systems ICX 6650 - page 329

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 311 53-1002603-01 Optional BGP4 configura tion tasks It is possible f or the BGP route table t o contain a rout e whose next-hop IP address is not reachable through an IGP r oute, even th ough a hop far ther awa y can be reached by the La yer 3 switch thr ough an IGP rout e. This can occur when t ...

  • Brocade Communications Systems ICX 6650 - page 330

    312 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks The rout e to the ne xt-hop gatew ay is a BGP r oute, not an IGP route, and thus cannot be used to reach 192. 168.0.0/ 2 4. In this case, the Lay er 3 switch tries to use the def ault route, if present, t o reach the subnet that contains the BGP ...

  • Brocade Communications Systems ICX 6650 - page 331

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 313 53-1002603-01 Optional BGP4 configura tion tasks The next-hop IP address for 1 92.0.0. 1 is not an IGP rout e, which means the BGP r oute destination still cannot be reached thr ough IP . The recur sive ne xt-hop lookup f eature per forms a look up on 1 0.0.0. 1 next-hop gat ewa y . This look ...

  • Brocade Communications Systems ICX 6650 - page 332

    314 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks When selecting a rout e from among different sour ces (BGP4, OSPF , RIP , static r outes, and so on), the sof tware compares the r outes on the basis of each route administrativ e distance. If the administrative distance of the paths is low er t ...

  • Brocade Communications Systems ICX 6650 - page 333

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 315 53-1002603-01 Optional BGP4 configura tion tasks Requiring the first AS to be the neighbor AS By default, the Br ocade device does not require th e first AS listed in the AS_SEQUENCE field of an AS path Upda te fr om an EBGP neighbor to be t he AS that the neighbo r who sen t the Update is in ...

  • Brocade Communications Systems ICX 6650 - page 334

    316 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks Brocade(config-bgp-router)#compare-routerid Syntax: [ no ] compare-rout erid For more inf ormation, ref er to “How BGP4 selects a path for a r oute” on page 283. Configuring the Layer 3 switch to always compare Multi-Exit Discriminators A Mu ...

  • Brocade Communications Systems ICX 6650 - page 335

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 317 53-1002603-01 Optional BGP4 configura tion tasks Brocade(config-bgp-router)#med-missing-as-worst Syntax: [ no ] med-missing-as-worst NOTE This command affects rout e selection only wh en rout e paths are select ed based on MED comparison. It is still possible for a route path that is missing ...

  • Brocade Communications Systems ICX 6650 - page 336

    318 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks AS1 contains a clus ter with two r oute reflect ors and two clients. The r oute reflectors are fully meshed with other BGP4 routers, but the clients are not fully meshed. The y rely on the rout e reflectors t o propagate BGP4 route updat es. FIG ...

  • Brocade Communications Systems ICX 6650 - page 337

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 319 53-1002603-01 Optional BGP4 configura tion tasks • The Lay er 3 switch adds the attributes only if it is a r oute reflector , and only when adver tising IBGP rout e information t o other IBGP neig hbors. The attributes are not used when communicating with EBGP neighbo rs. • A La yer 3 swi ...

  • Brocade Communications Systems ICX 6650 - page 338

    320 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks For more inf orm ation about the neighbor command, refer t o “ Adding BGP4 neighbors” on page 292. By default, the clients o f a route r eflector are not req u ired to be fully meshed; the rout es from a client are reflected t o other client ...

  • Brocade Communications Systems ICX 6650 - page 339

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 321 53-1002603-01 Optional BGP4 configura tion tasks Figure 2 7 shows an exam ple of a BGP4 conf ederation. FIGURE 2 7 Example of a BGP4 confederation In this example, f our switches are configured in to two sub-autonomous systems, each containing two of the switches. The sub-aut onomous system s ...

  • Brocade Communications Systems ICX 6650 - page 340

    322 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks • Configure the conf ederation ID. The confederation ID is the A S number by which BGP switches outside the confed eration know the confed eration. Thus, a BGP switch outside the conf ederation is not aware and does not care that y our BGP swi ...

  • Brocade Communications Systems ICX 6650 - page 341

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 323 53-1002603-01 Optional BGP4 configura tion tasks Commands for router C BrocadeC(config)#router bgp BrocadeC(config-bgp-router)#local-as 64513 BrocadeC(config-bgp-router)#confederation identifier 10 BrocadeC(config-bgp-router)#confederation peers 64512 64513 BrocadeC(config-bgp-router)#write m ...

  • Brocade Communications Systems ICX 6650 - page 342

    324 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring BGP4 graceful restart The attribute-map map-name parameter configures the r outer to set attribut es for the agg regate rout es based on the specified r oute map. NOTE For t h e suppress-map , advertise-map , and attribut e-map parameters, the rout e map must already ...

  • Brocade Communications Systems ICX 6650 - page 343

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 325 53-1002603-01 BGP null0 routing Brocade(config-bgp)# graceful-restart stale-routes-time 120 Syntax: [ no ] graceful-restar t stale-rout es-time second s The seconds variable is the maximum time before a help er devic e cleans up stale rout es. Possible values are fr om 1 through 3 600 seconds ...

  • Brocade Communications Systems ICX 6650 - page 344

    326 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP null0 routing Figure 28 shows a topology f or a null 0 routing application example. FIGURE 28 Example of a null0 routing application The follo wing steps configu re a null0 routing applicat ion for st opping denial of ser vice attack s from remote hosts on the int ernet. Con ...

  • Brocade Communications Systems ICX 6650 - page 345

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 327 53-1002603-01 BGP null0 routing Configuration examples for BGP null0 routing S6 The following configuration defines specific prefixes t o filter . Brocade(config)#ip route 10.0.0.40/29 ethernet 1/1/2 tag 50 Brocade(config)#ip route 10.0.0.192/27 ethernet 1/1/2 tag 50 Brocade(config)#ip route ...

  • Brocade Communications Systems ICX 6650 - page 346

    328 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP null0 routing Brocade(config-bgp-router)#neighbor <router4_int_ip address> remote-as 100 Brocade (config-bgp-router)#neighbor <router5_int_ip address> remote-as 100 Brocade(config-bgp-router)#neighbor <router6_int_ip address> remote-as 100 Brocade(config-bg ...

  • Brocade Communications Systems ICX 6650 - page 347

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 329 53-1002603-01 BGP null0 routing S1 and S2 The show ip r oute output f or S1 and S2 shows "drop" under the Port column for the network prefixes you configured with null0 ro uting. Brocade#show ip bgp route Total number of BGP Routes: 126 Status A:AGGREGATE B:BEST b:NOT-INSTALLED-BEST ...

  • Brocade Communications Systems ICX 6650 - page 348

    330 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Modifying redistribution parameters Modifying redistribution parameters By default, the La yer 3 Switch do es not redistri bute r oute inf ormation betwe en BGP4 and the IP IGPs (RIP and OSPF). Y ou can configure the switch to redistribute OSPF r outes, RIP rout es, directly con ...

  • Brocade Communications Systems ICX 6650 - page 349

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 331 53-1002603-01 Modifying redistri bution parameters Redistributing RIP routes T o configure BGP4 to redistribute RIP r outes and add a metric of 10 t o the redistributed ro utes, enter the f ollowing command. Brocade(config-bgp-router)#redistribute rip metric 10 Syntax: redistribute rip [ metr ...

  • Brocade Communications Systems ICX 6650 - page 350

    332 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Modifying redistribution parameters Redistributing static routes T o configure the Lay er 3 switch to redistribu t e static rout es, enter the f ollowing command. Brocade(config-bgp-router)#redistribute static Syntax: redistribut e static [ metric num ] [ ro ute - ma p map-name ...

  • Brocade Communications Systems ICX 6650 - page 351

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 333 53-1002603-01 Filtering Filtering This section describes the follo wing: • “Specific IP address filt ering” on page 333 • “A S - p a t h f i l t e r i n g ” on page 334 • “BGP4 filt ering communities” on page 338 • “Defining IP prefix lists” on page 340 • “Defining ...

  • Brocade Communications Systems ICX 6650 - page 352

    334 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering NOTE Once you define a filter , the default action for ad dresses that do not match a filt er is “deny”. T o change the default action to “permit”, configure the last filter as “permit an y any”. The ip-addr parameter specifies the IP addre ss. If you want ...

  • Brocade Communications Systems ICX 6650 - page 353

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 335 53-1002603-01 Filtering Defining an AS-path filter T o define AS-path filter 4 to permit AS 2500, enter the f ollowing command. Brocade(config-bgp-router)#as-path-filter 4 permit 2500 Syntax: as-path-filter num permit | den y as-path The num parameter identifies the filter position in the AS- ...

  • Brocade Communications Systems ICX 6650 - page 354

    336 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The neighbor command uses the filt er-li st parameter to apply the AS-path ACL to the neighbor . Refe r to “ Adding BGP4 neighbors” on page 292. Using regular expr essions to filter Y ou use a regular expression for the as-path paramet er to specify a single charac ...

  • Brocade Communications Systems ICX 6650 - page 355

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 337 53-1002603-01 Filtering If you want t o filter f or a special character instead of using the special character as described in Ta b l e 6 2 on page 336, enter “” (backslash) in fr ont of the character . For example, t o filter on AS-path strings containing an asterisk, ent er the asteris ...

  • Brocade Communications Systems ICX 6650 - page 356

    338 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering BGP4 filtering communities Y ou can filter r outes receiv ed from BGP4 neighbor s based on community names. Use either of the f ollowing met hods to do so. A community is an optional attrib ute that identifies the route as a member of a user -defined class of rout es. ...

  • Brocade Communications Systems ICX 6650 - page 357

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 339 53-1002603-01 Filtering The num:num parameter indicates a specific community num ber to filter . Use this parameter t o filter f or a private (administrator -defined) commu nity . Y ou can enter up to 20 community number s with the same command. If you w ant to filter f or the well-known comm ...

  • Brocade Communications Systems ICX 6650 - page 358

    340 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The deny | permit parameter specifies the action the sof tware takes if a r oute community list matches a match statement in this A CL. T o conf igure the commu nity-list match statements in a rout e map, use the match communit y command. Refer t o “Matching based on ...

  • Brocade Communications Systems ICX 6650 - page 359

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 341 53-1002603-01 Filtering The deny | permit parameter specifies the action the sof tware takes if a neighbor route is in this prefix list. The prefix-list matches only on this network unless you use the ge ge-value or le le-value parameters. (See belo w.) The network -addr / mask-bits parameter ...

  • Brocade Communications Systems ICX 6650 - page 360

    342 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Defining route maps A route m ap is a named set of match conditio ns and para meter settings that the rout er can use to modify rout e attributes and to contr ol redistribution of the routes into other pr otocols. A rout e ma p consists of a sequence of up t o 50 ins t ...

  • Brocade Communications Systems ICX 6650 - page 361

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 343 53-1002603-01 Filtering • Set the MED (metric). • Set the IP address of the next hop r outer . • Set the origin to IGP or INCOMPLETE. • Set the weight. For e xample, when you configure parameters f or redi stributing rout es into RIP , one of the optional paramet ers is a route map. I ...

  • Brocade Communications Systems ICX 6650 - page 362

    344 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Specifying the match conditions Use the f ollowing command to define the match conditions for instance 1 of the route map GET_ONE. This instance compares the rout e updates against BGP4 address filter 11. Brocade(config-routemap GET_ONE)#match address-filters 11 Syntax ...

  • Brocade Communications Systems ICX 6650 - page 363

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 345 53-1002603-01 Filtering NOTE By default, r oute maps apply to bo th unicast and multicast traf fic. The rou te -t y pe in te rn a l | external-type1 | ex te rn al -t y pe 2 parameter applies only to OSPF rout es. This parameter com pares the rout e type to the specified value. The tag tag-v a ...

  • Brocade Communications Systems ICX 6650 - page 364

    346 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Matching based on next-hop router T o construct match statements f or a route map that match based on the IP address of the next-hop rout er , use either of the f ollowing methods. Y ou can us e the results of an IP ACL or an IP prefix list as the match condition. T o ...

  • Brocade Communications Systems ICX 6650 - page 365

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 347 53-1002603-01 Filtering The first command configures a community A CL that contains commun ity number 12:34 and community name no-expor t. The remaining comm ands configure a route map that matches the community attributes fiel d in BGP4 rout es against the set of communities in the A CL. A r ...

  • Brocade Communications Systems ICX 6650 - page 366

    348 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The dampening [ half-life reuse suppress max-suppress-time ] paramet er sets route dampening paramet ers for the r oute. The half-life parameter spe cifies the number of minut es af ter which the rout e penalty becomes half its value. The reuse parameter specifies how ...

  • Brocade Communications Systems ICX 6650 - page 367

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 349 53-1002603-01 Filtering NOTE This parameter applies only t o rout es redistributed into OSPF . NOTE Y o u also can set the tag value using a table map. The table ma p changes the value only when the Lay e r 3 switch plac es the route in the IP route ta ble inst ead of changing the value in th ...

  • Brocade Communications Systems ICX 6650 - page 368

    350 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Deleting a community from a BGP4 route T o delete a community from a BGP4 ro ute communit y attributes field, ent er commands such as the following. Brocade(config)#ip community-list standard std_3 permit 12:99 12:86 Brocade(config)#route-map bgp6 permit 1 Brocade(conf ...

  • Brocade Communications Systems ICX 6650 - page 369

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 351 53-1002603-01 Filtering Configuring cooperative BGP4 route filtering By default, the La yer 3 switch perfor ms al l filtering o f incoming r out es locally , on the Layer 3 switch itself. Y ou can use cooperative BGP4 r oute filterin g t o cause the filtering t o be per formed by a neighbor b ...

  • Brocade Communications Systems ICX 6650 - page 370

    352 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The next two commands change the CLI to the BGP4 co nfiguration lev el, then apply the IP prefix list to neighbor 1 0 .2.3.4. The last command enable s the La yer 3 switc h to send the IP prefix list as an ORF to neighbor 1 0. 2.3.4. When the Layer 3 switch sends the I ...

  • Brocade Communications Systems ICX 6650 - page 371

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 353 53-1002603-01 Filtering NOTE If the Lay er 3 switch o r the neighbor is not conf igured for c ooperative filtering, the command sends a normal r oute refresh message. Displaying cooperative filtering information Y ou can display the f ollowing cooperative filtering inf ormation: • The coope ...

  • Brocade Communications Systems ICX 6650 - page 372

    354 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route flap dampening configu ration Route flap dampening configuration A “rout e flap” is the change in a rout e state, fr om up to down or do wn to up. When a ro ute state changes, the state change causes changes in the r o ute tables of the ro uters that suppor t the r out ...

  • Brocade Communications Systems ICX 6650 - page 373

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 355 53-1002603-01 Route flap dampening configuration Globally configuring route flap dampening T o enable route flap dam pening using the default values, ent er the following command. Brocade(config-bgp-router)#dampening Syntax: dampeni ng [ half-life reuse suppress max-suppress-time ] The half-l ...

  • Brocade Communications Systems ICX 6650 - page 374

    356 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route flap dampening configu ration The address-filter commands in this e xample configure two BGP4 address filters, f or networks 1 0. 15 7 .22.0 and 1 0. 15 7 .23.0. The first r oute-map command creat es an entr y in a rout e map called “DAMPENING_MAP”. Within this entr y ...

  • Brocade Communications Systems ICX 6650 - page 375

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 357 53-1002603-01 Route flap dampening configuration Brocade(config)#route-map DAMPENING_MAP_ENABLE permit 1 Brocade(config-routemap DAMPENING_MAP_ENABLE)#exit Brocade(config)#route-map DAMPENING_MAP_NEIGHBOR_A permit 1 Brocade(config-routemap DAMPENING_MAP_NEIGHBOR_A)#set dampening Brocade(confi ...

  • Brocade Communications Systems ICX 6650 - page 376

    358 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route flap dampening configu ration Here is an example. The aggregate-address command conf igures an aggregate address. The summar y-only p arameter prev ents the Lay er 3 switch from adver tising more specific rout es contained within the aggregat e ro ute. The show ip bgp r ou ...

  • Brocade Communications Systems ICX 6650 - page 377

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 359 53-1002603-01 Route flap dampening configuration Displaying and clearing route flap dampening statistics The sof tware pro vides many options for displa ying an d clearing r oute flap statistics. T o display the statistics, use either of the f ollowing methods. Displaying route flap dampening ...

  • Brocade Communications Systems ICX 6650 - page 378

    360 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Generating traps for BGP Y ou also can display all the dampened rout es by entering the show ip bgp dam pened-paths command. Clearing route flap dampening statistics T o clear rout e flap dampening statis tics, use the following CLI method. NOTE Clearing the dampening statistics ...

  • Brocade Communications Systems ICX 6650 - page 379

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 361 53-1002603-01 Displaying BGP4 informatio n Syntax: [ no ] snmp-ser ver enable traps bgp Use the no for m o f th e c o m ma nd to disable BGP traps. Displaying BGP4 information Y ou can display the f ollowing configuration information and statistics for the BGP4 pro tocol on the rou te r: • ...

  • Brocade Communications Systems ICX 6650 - page 380

    362 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Ta b l e 6 4 lists the field definitions for the command output. TA B L E 6 4 BGP4 summar y information Field Description Rout er ID The La yer 3 switch r outer ID. Local AS Number The BGP4 AS number the router is in. Conf ederation Identifier The AS ...

  • Brocade Communications Systems ICX 6650 - page 381

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 363 53-1002603-01 Displaying BGP4 informatio n State The state of this router neighbor s ession with each neighbor . The states are from this r outer perspectiv e of the session, not the neighbor perspecti ve. The stat e values are based on the BGP4 state machine values descri bed in RFC 1 77 1 a ...

  • Brocade Communications Systems ICX 6650 - page 382

    364 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying the active BGP4 configuration T o view the active BGP4 configuration information contained in the running-config without displaying the entire running-confi g, use the f ollowing CLI method. T o display the device activ e BGP4 configuration ...

  • Brocade Communications Systems ICX 6650 - page 383

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 365 53-1002603-01 Displaying BGP4 informatio n If the soft ware has been running less than 15 minutes (the maximu m interval for utilization statistics), the command indicat es how long the software has been running. Her e is an example. T o display utilization statistics for a specific number of ...

  • Brocade Communications Systems ICX 6650 - page 384

    366 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying summary neighbor information T o display summary neighbor information, ent er a command such as the following at an y level of the CLI. Syntax: show ip bgp neighbors [ ip-addr ] | [ r outes-summary ] Ta b l e 6 5 lists the field definitions ...

  • Brocade Communications Systems ICX 6650 - page 385

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 367 53-1002603-01 Displaying BGP4 informatio n Displaying BGP4 neighbor information T o view BGP4 neighbor information including the v alues for all the configured parameters, enter the f ollowing command. NOTE The display sho ws all the configured param eters f o r the neighbor . Only the parame ...

  • Brocade Communications Systems ICX 6650 - page 386

    368 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information This example sho ws how to displa y information for a specific neighbor , by specifying the neighbor IP address with the command. None of the o ther disp lay options are used; thus, all of the information is display ed for the neighbor . The number in ...

  • Brocade Communications Systems ICX 6650 - page 387

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 369 53-1002603-01 Displaying BGP4 informatio n The attribute-entries option shows the attribute-entries associated with r outes received fr om the neighbor . The flap-statistics option sho ws the route flap statistics f or rout es received from or se nt to the neighbor . The last-pack et-with-err ...

  • Brocade Communications Systems ICX 6650 - page 388

    370 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Rout erID The neighbor r outer ID. Description The description you ga ve the neighbor when you configured it on the La yer 3 switch. State The state of the r outer session wit h the neighbor . The states are fr om this rout er perspective of the sessi ...

  • Brocade Communications Systems ICX 6650 - page 389

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 371 53-1002603-01 Displaying BGP4 informatio n Remo vePrivat eAs Whether this option is enabled for the neighbor . RefreshCapability Whether thi s Layer 3 switch has rece ived confirmatio n from the neigh bor that the neighbor suppo r ts the dynamic refresh capabili ty. Coopera tiveFilteringCa pa ...

  • Brocade Communications Systems ICX 6650 - page 390

    372 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Last Connection R eset Rea so n The reason the pre vious session with this neighbor ended. The reason can be one of the f ollowing. Reaso ns described in the BGP specifi cations: • Message Header E rror • Connection Not Synch ronized • Bad Messa ...

  • Brocade Communications Systems ICX 6650 - page 391

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 373 53-1002603-01 Displaying BGP4 informatio n Notification Sent If the rout e r receives a NO TIFICA TION mess age from the neighbor , the mes sage contains an e rror code corresp onding to one of the following errors. Some errors hav e subcodes that clarify the reason f or the error . Where app ...

  • Brocade Communications Systems ICX 6650 - page 392

    374 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information T CP Connection state The stat e of the connection with the neighbor . The connection can hav e one of the fol l ow i n g s t a te s: • LISTEN – Waiting for a connection request. • SYN-SENT – W aiting for a matchi ng connection request after h ...

  • Brocade Communications Systems ICX 6650 - page 393

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 375 53-1002603-01 Displaying BGP4 informatio n Displaying route information for a neighbor Y ou can display r outes based on the f ollowing criteria: • A summar y of the r outes for a spec ific neighbor . • The rout es received fr om the neighbor that the Lay er 3 switch selected as the best ...

  • Brocade Communications Systems ICX 6650 - page 394

    376 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Ta b l e 6 7 lists the field definitions for the c ommand output. TA B L E 6 7 BGP4 r oute summar y information f or a neighbor Field Descri ption Rout es Received How man y routes the La yer 3 switch has receiv ed from the neighbor during the current ...

  • Brocade Communications Systems ICX 6650 - page 395

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 377 53-1002603-01 Displaying BGP4 informatio n Displaying advertised routes T o display the rout es the Lay er 3 switch has adver tis ed to a specific neighbor for a specific network, enter a command such as the f ollowing at an y level of the CLI. Y ou also can enter a specific r oute, as in the ...

  • Brocade Communications Systems ICX 6650 - page 396

    378 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying the best routes th at were nonetheless not inst alled in the IP route table T o display the BGP4 routes receiv ed from a specific ne ighbor that are the “best” rout es to their destinations but are not installed in the La yer 3 sw itch ...

  • Brocade Communications Systems ICX 6650 - page 397

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 379 53-1002603-01 Displaying BGP4 informatio n Syntax: show ip bgp pee r-group [ pee r-group-name ] Only the parameters that hav e values dif ferent fr om their defaults are listed. Displaying summary route information T o display summar y statistics for all the ro utes in the Lay er 3 switch BGP ...

  • Brocade Communications Systems ICX 6650 - page 398

    380 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying the BGP4 route table BGP4 uses filters y ou define as well as the algorithm described in “Ho w BGP4 selects a path for a rou te ” on page 283 to det ermine the pref erred ro ute to a destination. BGP4 sends only the pref erred rout e to ...

  • Brocade Communications Systems ICX 6650 - page 399

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 381 53-1002603-01 Displaying BGP4 informatio n The community option lets you displa y routes f or a specific co mmunity . Y ou can specify local-as , no-export , no-adver tise , internet , or a privat e community number . Y ou can specify the community number as either two fiv e-digit integer val ...

  • Brocade Communications Systems ICX 6650 - page 400

    382 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Syntax: show ip bgp r outes best For inf ormation about the f ields in this display , ref er to Ta b l e 6 9 on page 383. The fields in this display also appear in the sho w ip b gp displa y . Displaying the best BGP4 routes that are n ot in the IP ro ...

  • Brocade Communications Systems ICX 6650 - page 401

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 383 53-1002603-01 Displaying BGP4 informatio n Displaying information for a specific route T o display BGP4 network inf ormatio n by specifyi ng an IP address within the networ k, enter a command such as the follo wing at any lev el of the CLI. Syntax: show ip bgp [ route ] ip-addr / prefix [ lon ...

  • Brocade Communications Systems ICX 6650 - page 402

    384 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying route details Here is an e xample of the information displa yed when you use the detail option. In this exam ple, the information f or one route is show n . Wei ght The value that thi s router associ ates with rout es from a specific neighb ...

  • Brocade Communications Systems ICX 6650 - page 403

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 385 53-1002603-01 Displaying BGP4 informatio n These displays show the f ollowing information. TA B L E 7 0 BGP4 route information Field Description T otal number of BGP Routes The number of BGP4 routes. Status codes A list of the characters the displa y uses to indicat e the route status. The st ...

  • Brocade Communications Systems ICX 6650 - page 404

    386 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying BGP4 route-attribute entries The rout e-attribute entries table lists the se ts of BGP4 attributes st ored in the route r memor y . Each set of attributes is unique an d can be associated with one or more routes. In f act, the router typica ...

  • Brocade Communications Systems ICX 6650 - page 405

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 387 53-1002603-01 Displaying BGP4 informatio n Ta b l e 7 1 lists the field definitions f or the command output. Displaying the routes BG P4 has placed in the IP route table The IP route table indicates the rout es it has re ce ived fr om BGP4 by listing “BGP” as the r oute type. T o display ...

  • Brocade Communications Systems ICX 6650 - page 406

    388 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying route flap dampening statistics T o display r oute dampening statistics or all the dampened rout es, enter the f ollowing command at any le vel of the CLI. Syntax: show ip bg p flap-st atistics [ regular -ex pression regular -expression | a ...

  • Brocade Communications Systems ICX 6650 - page 407

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 389 53-1002603-01 Displaying BGP4 informatio n Y ou also can display all the dampened route s by entering the following command. show ip bgp dam pened-paths . Displaying the active route map configuration T o view the de vice active rout e map configur ation (contained in the running-config) with ...

  • Brocade Communications Systems ICX 6650 - page 408

    390 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session Brocade#show route-map setcomm route-map setcomm permit 1 set community 1234:2345 no-export This example sho ws the active configuration for a r oute map called “setcomm“. Syntax: show rout e-map [ map-name ] Displa ...

  • Brocade Communications Systems ICX 6650 - page 409

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 391 53-1002603-01 Updating route information and reset ting a neighbor session Using soft reconfiguration The sof t reconfiguration feature places policy changes into effect wi thout resetting the B GP4 session. Soft reconfiguration does not requ est the ne ighbor or group to send its entire BGP4 ...

  • Brocade Communications Systems ICX 6650 - page 410

    392 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session NOTE If you do not specify “in”, the command appl ies t o both inbound and outbound updates. NOTE The syntax related to soft reco nfiguration is shown. F or complete command syntax, ref er to “Dynamically refreshi ...

  • Brocade Communications Systems ICX 6650 - page 411

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 393 53-1002603-01 Updating route information and reset ting a neighbor session Displaying all the routes received from the neighbor T o display all the rout e information received in r oute updates fr om a neighbor since you enabled soft reconfiguration, enter a command such as the follo wing at ...

  • Brocade Communications Systems ICX 6650 - page 412

    394 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session • RFC 29 18, which describes the dy namic rout e refresh capability The dynamic r oute refresh capabili ty is enabled by def ault and ca nnot be disabled. When the Lay er 3 switch sends a BGP4 OPEN message to a neighb ...

  • Brocade Communications Systems ICX 6650 - page 413

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 395 53-1002603-01 Updating route information and reset ting a neighbor session NOTE The soft-outbound paramet er updates all outbou nd r outes b y applying the new or changed filters, but sends only the existing r outes affect ed by the ne w or changed filters t o the neighbor . The soft out para ...

  • Brocade Communications Systems ICX 6650 - page 414

    396 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session Closing or resetting a neighbor session Y ou can close a nei ghbor session or resend rout e updates t o a neighbor . If you mak e chan ges to filt er s or rout e maps and the neighbor does not suppo r t dynamic r oute r ...

  • Brocade Communications Systems ICX 6650 - page 415

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 397 53-1002603-01 Clearing traffic counters neighbor as needed. This ensures that the neighb or receives o nly the routes y ou want it to contain. Even if the neighbor already contains a rout e learned from the La yer 3 switch that you later decid ed to filter out, using the sof t-o utbound optio ...

  • Brocade Communications Systems ICX 6650 - page 416

    398 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Clearing route flap dampening statistics Syntax: clear ip bgp neighbor all | ip-addr | peer-group-name | as-num traffic The all | ip-addr | peer-group-name | as-num option specifies the neighbor . The ip-addr parameter specifies a neighbor by its IP int er face with the Lay er 3 ...

  • Brocade Communications Systems ICX 6650 - page 417

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 399 53-1002603-01 Clearing diagnostic buffers Clearing diagnostic buffers The Lay er 3 switch stores the f oll owing BGP4 diagnostic information in buf fers: • The first 400 bytes of the la st packet that containe d an error • The last NO TIFICA TION message either sent or receiv ed by the La ...

  • Brocade Communications Systems ICX 6650 - page 418

    400 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Clearing diagnostic buffers ...

  • Brocade Communications Systems ICX 6650 - page 419

    Brocade ICX 6650 Layer 3 Routing 401 53-1002603-01 Chapter 8 IPv6 Ta b l e 7 3 lists the IPv6 features Br ocade ICX 6650 device s suppor t. These features are suppor ted in the Lay er 2 and full La yer 3 sof tware images, e xcept where e xplicitly noted. Static IPv6 route configuration Y ou can configure a static IPv6 ro ute to be redi stributed in ...

  • Brocade Communications Systems ICX 6650 - page 420

    402 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 Static IPv6 route configuration Ta b l e 7 4 describes the parameters associated with this command and indicat es the status of each parameter . A metric is a value that the La yer 3 switch uses wh en comparing this route to other static r outes in the IPv6 static r oute table that ha ve the same d ...

  • Brocade Communications Systems ICX 6650 - page 421

    Brocade ICX 6650 Layer 3 Routing 403 53-1002603-01 IPv6 over IPv4 tunnels The administrative distance is a value that the Lay er 3 switch uses to compare this r oute with rout es from other r oute sources that ha ve the same destination. (The Lay er 3 switch per forms this comparison bef ore placing a route in the IPv6 r out e table.) This paramet ...

  • Brocade Communications Systems ICX 6650 - page 422

    404 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 IPv6 over IPv4 tun nels Configuring a manual IPv6 tunnel Y ou can use a man ually configured tunnel to connec t tw o isolated IPv6 domains. Y ou should deploy this point-to-point tunnelling mechanism if y ou need a permanent and stable connection. T o configure a manual IPv6 tun nel, enter co mmand ...

  • Brocade Communications Systems ICX 6650 - page 423

    Brocade ICX 6650 Layer 3 Routing 405 53-1002603-01 IPv6 over IPv4 tunnels Clearing IPv6 tunnel statistics Y ou ca n clear statistics (reset all fields to zero ) for all IPv6 tunnels or for a specific tunnel interface. For e xample, to clear statistics for tunnel 1, enter the f ollowing command at the Privileged EXEC lev el or an y of the Config le ...

  • Brocade Communications Systems ICX 6650 - page 424

    406 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 IPv6 over IPv4 tun nels Syntax: show interfaces tunnel number The number parameter indicat es the tunnel inter face number f or which you want to display information. This display sho w s the f ollowing information. Displaying interface level IPv6 settings T o display Interface level IPv6 settings ...

  • Brocade Communications Systems ICX 6650 - page 425

    Brocade ICX 6650 Layer 3 Routing 407 53-1002603-01 IPv6 over IPv4 tunnels The displa y command above reflec ts the following configuration. This display sho w s the f ollowing information. TA B L E 77 Inter face level IPv6 tunnel inf ormation Field Descript ion Interface T unnel status The status of the tunnel int er face can be one of the foll owi ...

  • Brocade Communications Systems ICX 6650 - page 426

    408 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 ECMP load sharing for IPv6 ECMP load sharing for IPv6 The IPv6 r oute table selects the best r oute t o a given destinatio n from among the ro utes in the tables maintained by the configured routing pr otoc ols (BGP4, OSPF , static, and so on). The IPv6 rout e table can contain more than one path t ...

  • Brocade Communications Systems ICX 6650 - page 427

    Brocade ICX 6650 Layer 3 Routing 409 53-1002603-01 ECMP load sharing for IPv6 Disabling or re-enabling ECMP load sharing for IPv6 ECMP load sharing for IPv6 is enabled b y default . T o disable the feature, enter the f ollowing command. Brocade(config)#no ipv6 load-sharing If you want to re-enable the feature af ter disabling it, you must sp ecify ...

  • Brocade Communications Systems ICX 6650 - page 428

    410 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 ECMP load sharing for IPv6 ...

  • Brocade Communications Systems ICX 6650 - page 429

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 411 53-1002603-01 Chapter 9 VRRP and VRRP-E Ta b l e 7 8 lists the Vir tual Router R edundancy Prot ocol (VRRP) and Vir tua l Router Redundancy Pro tocol Extended (VRRP-E) f eatures Brocade ICX 6650 devices support. NOTE VRRP and VRRP-E is supported Brocade I CX 6650 devices th at are running the ...

  • Brocade Communications Systems ICX 6650 - page 430

    412 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview NOTE The maximum number of supported VRRP or VRRP-E r outer instances is 254 f or IPv4 en vironments. The maximum number o f suppor ted VRRP or VRRP-E router instances is 128 f or IPv6 envir onm ents. For a summar y of how these two ro uter redundancy pr ...

  • Brocade Communications Systems ICX 6650 - page 431

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 413 53-1002603-01 VRRP and VRRP-E overview If Switch 1 fails, y ou could conf igure Host1 to use Swit ch 2. Configuring one host with a dif ferent default gatew ay might not require too much e xtra adm inistration. Howe ver , consider a more realistic ne twork with dozen s or ev en hundreds of ho ...

  • Brocade Communications Systems ICX 6650 - page 432

    414 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview Virtual router ID A vir tual rout er ID (VRID) consists of one Mast er rout er and one or more Backup rout ers. The Master r outer is the r outer that owns the IP addresses you associat e with the VRID. F or this reason, the Master r outer is sometimes c ...

  • Brocade Communications Systems ICX 6650 - page 433

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 415 53-1002603-01 VRRP and VRRP-E overview Master negotiation The routers within a VRID use the VRRP priority values associated with each rout er to determine which router becomes the Master . When you configure the VRI D on a router int er face, you specify whether the ro uter is the Owner of th ...

  • Brocade Communications Systems ICX 6650 - page 434

    416 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview NOTE Regar dless of the setting for the preempt parame t er , the Owner alwa ys becomes the Master again when it comes back online. Track ports and track priority The Br ocade implementation of V RRP en han ce s t he protoc ol by giv in g a VR RP ro uter ...

  • Brocade Communications Systems ICX 6650 - page 435

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 417 53-1002603-01 VRRP and VRRP-E overview NOTE The HMAC-MD5-96 authentication type is suppor ted f or VRRP-E, but not suppor ted f or VRRP . Independent operation of VRRP alongside RIP, OSPF, and BGP4 VRRP operation is independent of RIP , OSPF , an d BGP4; theref ore, RIP , OSPF , and BGP4 are ...

  • Brocade Communications Systems ICX 6650 - page 436

    418 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview • Hello packets - VRRP sends Hello messages to IP Multicast address 22 4.0.0. 18. - VRRP-E uses UDP t o send Hello messages in IP multicast messages. The Hello packets use the MA C address of the interface and the IP address as the sour ce addresses. T ...

  • Brocade Communications Systems ICX 6650 - page 437

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 419 53-1002603-01 VRRP and VRRP-E overview Figure 32 shows an exam ple of a VRRP -E configuration. FIGURE 32 Switc h 1 and Switch 2 are conf igured to pr ovide dual redund ant netwo rk access fo r the host In this ex ample, Switch 1 and Swit ch 2 use VRRP-E t o load share as well as pr ovide redu ...

  • Brocade Communications Systems ICX 6650 - page 438

    420 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Comparison of VRRP and VRRP-E ARP behavior with VRRP-E In the VRRP-E implementation, the source MA C address of the gratuitous Ad dress Resolution Pro tocol (ARP) request sent b y the VRRP-E Master rout er is the VRRP-E vir tual MAC address. Wh en the rout er (either the Master ...

  • Brocade Communications Systems ICX 6650 - page 439

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 421 53-1002603-01 Comparison of VRRP and VRRP-E Architectural differences between VRRP and VRRP-E The pro tocols hav e the following ar chitectural differences. Management protocol • VRRP – VRRP rout ers send VRR P Hello and Hello messages to IP Multicast address 22 4.0.0 . 18. • VRRP-E – ...

  • Brocade Communications Systems ICX 6650 - page 440

    422 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E parameters VRRP and VRRP-E parameters Ta b l e 7 9 lists the VRRP and VRRP-E parameters. Most of the paramet ers and default values are the same f or both pro tocols. The e xceptions are not ed in the table. TA B L E 7 9 VRRP and VRRP-E parameter s Parameter Desc ...

  • Brocade Communications Systems ICX 6650 - page 441

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 423 53-1002603-01 VRRP and VRRP-E parameters Authentication type The type of authen tication the VRRP or VRRP-E int er faces use to v alidate VRRP or VRRP- E packets. • No authentication – The int er faces do not use authentication. Thi s is the VRRP default. • Simple – The int er face us ...

  • Brocade Communications Systems ICX 6650 - page 442

    424 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E parameters Dead interval The number of seconds or milliseconds a Back up waits fo r a Hello message fro m the Mast er for the VRID bef ore determi ning that the Master is no long er active. If the Maste r does not send a Hello message bef ore the dead inte r val ...

  • Brocade Communications Systems ICX 6650 - page 443

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 425 53-1002603-01 Basic VRRP parameter configuration Note regarding disabling VRRP or VRRP-E If you disable VR RP or VRRP-E, t he Layer 3 switch removes all the conf igur ation information f or the disabled pr otocol fr om the running-config file. M o reover , when you save the configuration to t ...

  • Brocade Communications Systems ICX 6650 - page 444

    426 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic VRRP parameter configuration • The IP addresses associat ed with the VRID must al ready be configured on the rout er that will be the Owner . • An IP address associ ated with the VRID must be on only one rout er . • The Hello interval must be set to the same v alue o ...

  • Brocade Communications Systems ICX 6650 - page 445

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 427 53-1002603-01 Basic VRRP parameter configuration NOTE Y ou mus t first configu re the ipv6 unicast-r o uting command at the global configuration level to enable IPv6 VRRP on the rout er . Brocade Router1(config)# ipv6 unicast-routing Brocade Router1(config)# ipv6 router vrrp Brocade Router1(c ...

  • Brocade Communications Systems ICX 6650 - page 446

    428 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic VRRP parameter configuration Syntax: [no] ip-address ip-addr Syntax: [no] ip vrrp vrid num Syntax: [no] backup [ priority va lu e ] [ track-priority value ] Syntax: [ no ] advertise backup Syntax: [no] activate When you configure a Backup r outer , the r outer int er face ...

  • Brocade Communications Systems ICX 6650 - page 447

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 429 53-1002603-01 Basic VRRP parameter configuration By default, Back up rout ers do not send Hello messages to adv er tise themselv es to the Mast er . The advertise backup command is used to enab le a Backup r outer to send Hello messages t o the Master . Configuration considerations for IPv6 V ...

  • Brocade Communications Systems ICX 6650 - page 448

    430 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic VRRP-E parameter configuration Basic VRRP-E parameter configuration The f ollowing sections describe the configuration of the parameters specific t o IPv4 and IPv6 VRRP-E. Configuration rules for VRRP-E Consider the follo wing rules when configuring VRRP-E: • The interfa ...

  • Brocade Communications Systems ICX 6650 - page 449

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 431 53-1002603-01 Basic VRRP-E parameter configuration NOTE Yo u a l s o c a n u s e t h e enable command to activ ate the configuration. This command does the same thing as the activate command. Configuring IPv6 VRRP-E T o implement an IPv6 VRRP-E configuratio n us ing all the default values, en ...

  • Brocade Communications Systems ICX 6650 - page 450

    432 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration When the no ipv6 ro uter vrrp-e xtended command is enabled, all IP v6 VRRP-E instances f or a specific VRID are delet ed from the int er face, and the running configuration is lo st when writing to flash. Y ou must enable the wr ...

  • Brocade Communications Systems ICX 6650 - page 451

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 433 53-1002603-01 Additional VRRP and VRRP-E parameter configuration VRRP and VRRP-E au thentication types This section describes VRRP and V RRP-E authentication parameters. Configuring authentication type The Bro cade implementation of VRRP and VRRP-E supports the f ollowing authentic ation type ...

  • Brocade Communications Systems ICX 6650 - page 452

    434 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration VRRP-E syntax For IPv4 VRRP-E: Syntax: ip vrrp-ext ended auth-type no-auth | simple-t ext-auth auth-data | md5-auth [ 0 | 1 ] key For IPv6 VRRP-E: Syntax: ipv6 vrrp-ext ended auth-type no-auth | simple-t ext-auth auth-data | md5 ...

  • Brocade Communications Systems ICX 6650 - page 453

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 435 53-1002603-01 Additional VRRP and VRRP-E parameter configuration VRRP router type A VRRP interface is either an Owner or a Backup r outer f or a given VRID. By default, the Owner becomes the Mast er . A Back up router becomes the Master only if the Mast er becomes unav ailable. A VRRP-E inter ...

  • Brocade Communications Systems ICX 6650 - page 454

    436 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Configuring an IPv6 VRRP v3 in terface as a Backup for a VRID T o configure an IPv6 VRRP v3 interface as a Back up for a VRID, and set its VRRP priority and track priority , enter commands such as the following. Brocade Router2( ...

  • Brocade Communications Systems ICX 6650 - page 455

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 437 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Suppressing RIP advertise ments for the backed-up interface in Router 2 T o suppress RIP adver tisements f or the back ed-up interface in Rout er 2, enter the f ollowing commands . Brocade Router2(config)#router rip Brocade Rout ...

  • Brocade Communications Systems ICX 6650 - page 456

    438 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Dead interval configuration The dead int er val is the number of seconds a Ba ckup router waits for a Hello message from the Master bef ore determining that the Mast er is dead. When Back up routers de termine that the Master is ...

  • Brocade Communications Systems ICX 6650 - page 457

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 439 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Track port configuration NOTE T rack por t is not supported by VRRP v3. Y ou can configure the VRID on one inter face t o track the link state of another int er face on the Layer 3 switch. This capability is quite useful f or tr ...

  • Brocade Communications Systems ICX 6650 - page 458

    440 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Backup preempt configuration By default, a Backup that has a higher priority than another Backup that has become the Master can preempt the Mast er , and take over the r ole of Master . If you w ant to prev ent this behavior , d ...

  • Brocade Communications Systems ICX 6650 - page 459

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 441 53-1002603-01 Additional VRRP and VRRP-E parameter configuration If you configure the de vice to receive its timer v alu es from the Master , the Backup also receiv es the timer scale value from the Master . T o change the ti mer scale, enter a command such as the f ollowing at th e g l o b a ...

  • Brocade Communications Systems ICX 6650 - page 460

    442 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration The VRRP-E slow star t timer is ef fective only if the VRRP-E Back up router detects another VRRP-E Master (Standby) r outer . It is not ef fective during the initial bootup. The slow star t timer is ef f ective on a Back up rou ...

  • Brocade Communications Systems ICX 6650 - page 461

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 443 53-1002603-01 Additional VRRP and VRRP-E parameter configuration FIGURE 33 VRRP-E Extension for short-path for war ding VRRP-E Extension for shor t-path forwarding exampl e Under the VRRP-E VRID configuration level, there is an option to enable shor t-path forwarding. T o enable short-path fo ...

  • Brocade Communications Systems ICX 6650 - page 462

    444 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration The revert-priority val ue parameter uses the priority value as the threshold t o determine whether the shor t-path forwarding (SPF) beha vi or is effect ive. T ypically , when shor t-path forward ing is enabled, the Back up rou ...

  • Brocade Communications Systems ICX 6650 - page 463

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 445 53-1002603-01 Forcing a Master router to abdicate to a Backup router Forcing a Master router to abdicate to a Backup router NOTE For cing a Master r outer to abdicat e to a Back up rout er is not suppor ted f or IPv6 VRRP , IPv4 VRRP-E, and IPv6 VRRP-E. It is only suppor ted fo r IPv4 VRRP . ...

  • Brocade Communications Systems ICX 6650 - page 464

    446 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information T o change the Master priority back to the default Owner priority 255, ent er no fol l owed by t he command you ent ered to change the priority . For ex am ple, to change the priority of a VRRP Owner back to 255 fr om 11 0, enter the follo ...

  • Brocade Communications Systems ICX 6650 - page 465

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 447 53-1002603-01 Displaying VRRP and VRRP-E information T o display summar y information for IPv6 VRRP-E v3 , enter the show ipv6 vrrp-ext ended brief command at an y level of the CLI. Syntax for IPv4 VRRP v2 and IPv6 VRRP v3: Syntax: show ip vrrp brief | ethern et stack-u nit / slotnum/por tnum ...

  • Brocade Communications Systems ICX 6650 - page 466

    448 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Displaying detailed information T o display detailed VRRP or VRRP-E inf ormation, enter the show i p vrrp command at any level of the CLI. VRID The VRID config ured on this inter face. I f multiple VRIDs are configur ed on th e interface, i ...

  • Brocade Communications Systems ICX 6650 - page 467

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 449 53-1002603-01 Displaying VRRP and VRRP-E information The follo wing example is f or a VRRP Backup. The follo wing example is f or a VRRP-E Master . Syntax: show ip vrrp brief | ethern et stack-u nit / slotnum/por tnum | ve nu m | stat Syntax: show ip vrrp-ex tended brief | ethernet sta ck- u ...

  • Brocade Communications Systems ICX 6650 - page 468

    450 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information The ve num option spec ifies a vir tual interface. If y ou use this option, the command displays VRRP or VRRP-E information only f or the specified vir tual interface. The stat option displays statistics. Ref er to “Displaying statistics? ...

  • Brocade Communications Systems ICX 6650 - page 469

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 451 53-1002603-01 Displaying VRRP and VRRP-E information current priority Th e current VRRP , VRRP v3, VRRP-E, or IPv6 VRRP-E priorit y of this Layer 3 switch f or the VRID. The cur rent priority can differ from the configured pri ority (ref er to the p riority field) f or the f ollowing reason: ...

  • Brocade Communications Systems ICX 6650 - page 470

    452 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Displaying detailed informat ion for an individual VRID Y ou can displa y information about the settings conf igured for a specified VRRP Virtual Rout er ID (VRID). T o display inf ormation about VRID 1, enter the show ip vrrp vrid command. ...

  • Brocade Communications Systems ICX 6650 - page 471

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 453 53-1002603-01 Displaying VRRP and VRRP-E information Syntax: show ip vrrp vrid num [ ethernet num | ve num ] Syntax: show ipv6 vrrp vrid num [ ether net num | ve num ] The num variable s pecifies the VRID. The ethernet num | ve num options specify an interface on which the VRID is configured. ...

  • Brocade Communications Systems ICX 6650 - page 472

    454 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Displaying statistics T o display statistics on most Brocade devices, ent er the show ip vrrp stat command at any le vel of the CLI. T o display IPv6 VRRP-E v3 statistics on a device , ent er the follo wing command at any lev el of the CLI. ...

  • Brocade Communications Systems ICX 6650 - page 473

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 455 53-1002603-01 Displaying VRRP and VRRP-E information Ta b l e 8 4 sho ws a des cription of the output for the show i p vrrp sta t and sho w ip vrrp- ext ended stat commands . TA B L E 8 4 CLI display of VRRP or VRRP-E statistics Field Description Inter fac e st atistic s Interface The interfa ...

  • Brocade Communications Systems ICX 6650 - page 474

    456 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Clearing VRRP or VRRP-E statistics T o clear VRRP or VRRP-E statistics, enter the clear ip vrrp-stat command at the Privileged EXEC lev el or any configuration level of the CLI. Brocade#clear ip vrrp-stat Syntax: clear ip vrrp-stat T o clea ...

  • Brocade Communications Systems ICX 6650 - page 475

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 457 53-1002603-01 Displaying VRRP and VRRP-E information T o display utilization statistics for a specific number of seconds, enter a command such as the follo wing. In the follo wing output example, IPv6 protoc ols are also displayed f or a specific number of seconds. When you specify ho w many ...

  • Brocade Communications Systems ICX 6650 - page 476

    458 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information for IPv6 Displaying VRRP and VRRP-E information for IPv6 Y ou can display inf ormation fo r IPv6 VRRP or VRRP-E v3. Displaying detailed information for IPv6 VRRP v3 and IPv6 VRRP-E v3 T o display information f or an IPv6 VRRP Owner , ent er ...

  • Brocade Communications Systems ICX 6650 - page 477

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 459 53-1002603-01 Displaying VRRP and VRRP-E information for IPv6 Syntax: show ipv6 vrrp brief | ethernet stack-unit/slotnum/por tnum | stat [ etherne t stack -unit/slotnum /por tnum| ve num ] | vrid num T o display detailed inf ormation for IPv6 VRRP-E, enter the sho w ipv6 vrrp-extended command ...

  • Brocade Communications Systems ICX 6650 - page 478

    460 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuration examples Configuration examples The following sections contain the CLI comman ds for implementing the VRRP and VRRP-E configurations shown in Figure 3 1 on page 4 13 and Figure 32 on page 4 19. VRRP example T o implement the VRRP configuration shown in Figure 3 1 o ...

  • Brocade Communications Systems ICX 6650 - page 479

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 461 53-1002603-01 Configuration examples NOTE When you configure a Backup r outer , the r outer int er face on which you are c onfiguring the VRID mus t have a re al I P ad dr ess th at i s in the sa me subnet as the address associat ed with the VRID by the Owner . Howe ver , the address cannot b ...

  • Brocade Communications Systems ICX 6650 - page 480

    462 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuration examples NOTE The address you enter with the ip-address command cannot be the sa me as a real IP address configu red on the inter face. Configuring Switch 2 T o configure Switch 2, enter the f ollowing commands. Brocade-Switch1(config)#router vrrp-extended Brocade- ...

  • Brocade Communications Systems ICX 6650 - page 481

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 463 53-1002603-01 Configuration examples Syntax: ip-address ip-addr Syntax: activat e ...

  • Brocade Communications Systems ICX 6650 - page 482

    464 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuration examples ...

  • Brocade Communications Systems ICX 6650 - page 483

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 465 53-1002603-01 Index Numerics 31-bit su bnet mask , 23 A access policies, ACL and IP , 10 ACL and IP access policies , 10 deny | permit , 199 using as input to the OSPF distribution list , 197 Address Resolution Protocol (ARP) changing the aging period , 37 configuration , 35 configuring forwa ...

  • Brocade Communications Systems ICX 6650 - page 484

    466 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 displaying dynamic refresh information , 395 displaying filtered routes , 392 displaying graceful rest art neighbor information , 390 displayin g information , 361 displaying information for a specific route , 383 displaying peer group information , 378 displaying recursive rout ...

  • Brocade Communications Systems ICX 6650 - page 485

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 467 53-1002603-01 clear ip ospf topology , 213 clear ip route , 124 clear ip tunnel , 112 clear ip vrrp-stat , 456 clear ipsec statistics , 254 clear ipv6 rip route , 163 clear ipv6 tunnel , 405 client-to-client-reflection , 320 community-filte r , 338 compare-routerid , 31 6 confederation identi ...

  • Brocade Communications Systems ICX 6650 - page 486

    468 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 match ip rout e-source , 346 maximum-paths , 307 med-missing-as-worst , 317 metric-type , 207 , 237 mtu-exceed , 29 multipath ebgp , 307 neighbor , 149 , 293 , 301 , 302 , 319 , 341 , 391 netbios-name-server , 77 network , 77 , 308 next-bootstrap-server , 77 next-hop-enable-defa ...

  • Brocade Communications Systems ICX 6650 - page 487

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 469 53-1002603-01 show ipv6 ospf virtual-li nk , 273 show ipv6 ospf virtual- neighbor , 273 show ipv6 rip , 164 show ipv6 rip route , 165 configuration DNS resolver , 25 IP addresses , 19 IP load sharing , 55 IP parameters on Layer 2 switches , 88 manual IPv6 tunnel , 404 packet parameters , 28 r ...

  • Brocade Communications Systems ICX 6650 - page 488

    470 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 parameters , 59 Interface dhcp-gateway-list , 95 interface loopback , 292 interface ve , 22 ip address , 20 ip arp-age , 37 ip bootp-gateway , 66 ip dhcp-client en able , 86 ip encapsulation snap , 28 ip follow ve , 22 ip helper-ad dress , 65 ip irdp , 60 ip local-proxy-arp , 39 ...

  • Brocade Communications Systems ICX 6650 - page 489

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 471 53-1002603-01 enabling multicast ro uting on GRE tunnels , 106 GRE packet , 95 multicast routing over GRE tunnels , 97 point-to-point GRE tunnels , 95 IPv6 advertising address summaries , 160 clearing RIPng routes , 163 clearing tunnel statistics , 405 configuring a manua l tunnel , 404 displ ...

  • Brocade Communications Systems ICX 6650 - page 490

    472 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 designated routers in multi-acc ess networks , 170 disabling or re-enabling load sharing , 202 displaying ABR information , 225 displaying area in formation , 216 displaying data in an LSA , 224 displaying graceful restart information , 226 displayin g information , 214 displayi ...

  • Brocade Communications Systems ICX 6650 - page 491

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 473 53-1002603-01 P packet parameters, configuring , 28 path MTU discovery , 96 R Reverse Address Resolu tion Proto col (RARP) changing the maximum number of suppo rted entries , 62 configuration , 61 creating static entries , 62 disabling , 61 how it differs from BootP and DHCP , 61 RIP suppress ...

  • Brocade Communications Systems ICX 6650 - page 492

    474 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 redistribute static , 332 redistribution , 138 , 148 , 196 , 201 rfc1583-compatibility , 210 router vrrp , 461 slow-start , 441 snmp-server trap ospf , 209 summary address , 183 summary-address , 204 , 238 timers , 159 timers keep-al ive hold-time , 304 timers lsa-group-pacing , ...

  • Brocade Communications Systems ICX 6650 - page 493

    Brocade ICX 6650 Layer 3 Routing Configuration Guide 475 53-1002603-01 show ip ospf routes , 220 show ip ospf trap , 225 show ip ospf virtual-link , 224 show ip ospf virtual-neighbor , 224 show ip pim flow , 111 show ip pim interface , 111 show ip pim mcache , 111 show ip pim nbr , 111 show ip rip , 153 show ip route , 108 , 122 , 387 show ip route ...

  • Brocade Communications Systems ICX 6650 - page 494

    476 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 additional configuration , 432 archtectural differences between VRRP-E , 421 authentication , 416 authentication types , 433 backup preempt configuration , 440 basic configuration , 425 changing the timer scale , 440 clearing statistic s , 456 comparison to VRRP-E , 420 configur ...

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Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso Brocade Communications Systems ICX 6650.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione Brocade Communications Systems ICX 6650, manuali di manutenzione, brevi manuali o manuali utente Brocade Communications Systems ICX 6650. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto Brocade Communications Systems ICX 6650.

Manuali per l’uso simili

Manuale completo del dispositivo Brocade Communications Systems ICX 6650, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare Brocade Communications Systems ICX 6650 dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti Brocade Communications Systems ICX 6650.

Il manuale per l’uso completo Brocade Communications Systems, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale Brocade Communications Systems ICX 6650 - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice Brocade Communications Systems ICX 6650, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per Brocade Communications Systems ICX 6650 che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo Brocade Communications Systems ICX 6650 - che ci dovrebbe aiutare nei primi passi durante l'uso Brocade Communications Systems ICX 6650
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del Brocade Communications Systems ICX 6650
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio Brocade Communications Systems ICX 6650 in un dato paese, se il problema non può essere risolto da noi stessi.

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