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Инструкция обслуживания Alcatel-Lucent 6850

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Summary
  • Alcatel-Lucent 6850 - page 1

    Part No. 060216-10, Rev. E December 2007 OmniSwitch 6800 Series OmniSwitch 6850 Series OmniSwitch 9000 Series Advanced Routing Configuration Guide www.alcatel-lucent.com ...

  • Alcatel-Lucent 6850 - page 2

    ii OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 This user guide documents release 6.3.1 of th e OmniSwitch 6800 Series, OmniSwitch 6850 S e r i es, a n d Omni S w i tch 9 0 00 S e r i es. The f u n c t i o n a li t y d e scr i b e d in t h i s g u i d e is s ub j ect t o c h a n ge w i t h o u t n o t ic e . Copyrig ...

  • Alcatel-Lucent 6850 - page 3

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 iii Contents About This Guide ...................... .................... .................... ................... .................... ..... xi Supported Platforms ................... ................... .................... ................... ........................ . ...

  • Alcatel-Lucent 6850 - page 4

    Contents iv OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Using Route Maps ........................... ........................ ................... .................... . 1-24 Configuring Route Map Re distribution ........... ................... ........................ ..... 1 -28 Route Map Redistribution Example .. ...

  • Alcatel-Lucent 6850 - page 5

    Contents OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 v Chapter 3 Configuring IS-IS ........... ................... .................... ................... .................... ............... 3-1 In This Chapter ....... .................... ................... .................... ................... ............. ...

  • Alcatel-Lucent 6850 - page 6

    Contents vi OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Route Dampening ................................... .... ................ ................... .................... ..... 4-17 CIDR Route Notation ............. .................... .................... ................... ..................... 4-17 BGP Configu ...

  • Alcatel-Lucent 6850 - page 7

    Contents OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 vii Application Example ............................. ........ ........ ................... .................... ................. 4-60 AS 100 .................. ................... .................... ................... .................... ............. 4-60 ...

  • Alcatel-Lucent 6850 - page 8

    Contents viii OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Chapter 6 Configuring DVMRP .............. ............... .................... ................... .................... ........... 6-1 In This Chapter ....... .................... ................... .................... ................... ............... ...

  • Alcatel-Lucent 6850 - page 9

    Contents OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 ix Enabling PIM on the Switch .......... .................... ................... .................... ............. 7-18 Verifying the Software ........................ .................... ................... ..................... 7-18 Loading PIM into Memory . ...

  • Alcatel-Lucent 6850 - page 10

    Contents x OmniSwitch 6 800/6850/9000 Ad vanced Routing Configura tion Guide December 2007 Configuring RP-Switc hover for IPv6 PIM ..................... ....................... ................. 7-41 Verifying RP-Switchover ........................................ ....................... ................. 7-42 IPv6 PIM-SSM Support ............. ... ...

  • Alcatel-Lucent 6850 - page 11

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xi About This Guide This OmniSwitch 68 00/6850/9000 Advanced Routing Conf iguration Gu ide describes how to set up and monitor advanced routing protoc ols for operation i n a live network environment. The routing protoco ls described in this manual are purchased as ...

  • Alcatel-Lucent 6850 - page 12

    page -xii OmniSwitch 6800/6850 /9000 Ad vanced Routing Configuration Guide December 2007 Who Should Read this Manual? The audience for this user guide is network admi nistrators and IT suppor t personnel who need to config- ure, maintain, a nd monitor switches an d routers in a live network. However, anyone wishing t o gain knowledge on how advance ...

  • Alcatel-Lucent 6850 - page 13

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xiii How is the Information Or ganized? Chapters in thi s guide are broke n down by softwa re f eature. The ti tles of each ch apter i nclude protoco l or feature names (e.g., OSPF, PIM-SM) with which most network pr ofessionals will be famili ar. Each software feat ...

  • Alcatel-Lucent 6850 - page 14

    page -xiv OmniSwitch 6800/6850 /9000 Ad vanced Routing Configuration Guide December 2007 Stage 2: Gaining Familiarity with Basic Switch Functions Pertinent Documentation: Hardware Use rs Guide Switch Management Guid e Once you have your switch up and running, you will wa nt to begin i nvestigating basic aspects of its hard- ware and software . Info ...

  • Alcatel-Lucent 6850 - page 15

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xv Related Documentation The following are the titles and description s of all the related OmniSwit ch 6800/6850/90 00 user manuals: • OmniSwitch 6800 Series Getting Started Gu ide Describes the hardware and so ftware proced ures for getting an OmniSwitch 68 00 Se ...

  • Alcatel-Lucent 6850 - page 16

    page -xvi OmniSwitch 6800/6850 /9000 Ad vanced Routing Configuration Guide December 2007 • OmniSwitch 6800 /6850/9000 Advanced Routing Conf iguration Guid e Includes network configuration pro cedures and descri ptive i nformation o n all the soft ware features and protocols included i n the advanced routing soft ware package. Chapters cover multi ...

  • Alcatel-Lucent 6850 - page 17

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -xvii User Manual CD All user guides are included on the User Ma nual CD t h at accompanied your switch. This CD also inc ludes user guides for other Alcatel-Lucen t data enterprise p roducts. In ad dition, it cont ains a stand-al one version of the on-line help syst ...

  • Alcatel-Lucent 6850 - page 18

    page -xviii OmniSwitch 6800/6850 /9000 Advanced Routing Configuration Guide December 2007 ...

  • Alcatel-Lucent 6850 - page 19

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-1 1 Configuring OSPF Open Shortest Path First rout ing (OSPF) is a shortest path first (SPF), or link state , protocol. OSPF is an interior gatewa y protocol (IG P) that distributes rout ing information betwee n routers in a single Autono- mous System (AS). OSPF ch ...

  • Alcatel-Lucent 6850 - page 20

    OSPF Specifications Configur ing OSPF page 1-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Specifications RFCs Supported 1370—Appli cability Stat ement for OSPF 1850—OSPF V ersion 2 Ma nagement Informatio n Base 2328—OSPF V ersion 2 2370—The OSPF Opaque LS A Option 3101—The OSPF Not-So-Stubby Area (N ...

  • Alcatel-Lucent 6850 - page 21

    Configuring OSPF OSPF Defaults Table OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-3 OSPF Defaults T able The following tabl e shows the default settin gs of the configurabl e OSPF parameters: Parameter Description Comma nd Default V alue/Comments Enables OSPF . ip ospf status disabled Enables an interface. ip ...

  • Alcatel-Lucent 6850 - page 22

    OSPF Quick Steps Configur ing OSPF page 1-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Quick Steps The followings steps are desi gned to show the user the necessary se t of commands for setti ng up a router to use OSPF: 1 Create a VLAN using th e vlan comman d. For exam ple: -> vlan 5 -> vlan 5 enable 2 ...

  • Alcatel-Lucent 6850 - page 23

    Configuring OSPF OSPF Quick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-5 7 Create an OSPF interface for each VL AN created in Step 1, usi ng the ip ospf interface command. The OSPF interf ace should us e the same int erface name used for the VLA N router IP cr eated in Ste p 2. For example: -> ip o ...

  • Alcatel-Lucent 6850 - page 24

    OSPF Quick Steps Configur ing OSPF page 1-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 11 You can di splay OSPF area setting s using the show ip ospf area command. For example : 12 You can display OSPF inte rface settings using t he show ip ospf interface comman d. For exampl e: -> show ip ospf area 0.0.0.0 Are ...

  • Alcatel-Lucent 6850 - page 25

    Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-7 OSPF Over view Open Shortest Path First routing (OSP F) is a shortest path first (SPF), or link-st ate, protocol. OSPF is an interior gatewa y protocol (IG P) that distributes routing information betwee n routers in a Single Au tono ...

  • Alcatel-Lucent 6850 - page 26

    OSPF Overview Configur ing OSPF page 1-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Areas OSPF allows colle ctions of contiguous net wor ks and ho sts to be groupe d together as an area . Each area runs a separate co py of the basic link-sta te routing algorithm (usu ally called SPF). This me ans that each ar ...

  • Alcatel-Lucent 6850 - page 27

    Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-9 Classification of Routers When an AS is split into OSPF areas , the route rs are further divided acc ording to function into the foll ow- ing four overla pping catego ries: • Internal rout ers . A router with all direc tly connect ...

  • Alcatel-Lucent 6850 - page 28

    OSPF Overview Configur ing OSPF page 1-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Stub Areas OSPF allows certain areas to be configured as stub areas . A stub area is an area with routers th at have no AS external Link State Advert isements (LSAs). In order to ta ke advantage of th e OSPF stub area support, def ...

  • Alcatel-Lucent 6850 - page 29

    Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-11 Not-So-Stubby-Areas NSSA, or not-so-stubby area, i s an extension to the base OSPF specification an d is defined in RFC 1587. An NSSA is similar to a stub area in many ways: AS-external LSAs are not flooded int o an NSSA and virtua ...

  • Alcatel-Lucent 6850 - page 30

    OSPF Overview Configur ing OSPF page 1-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Equal Cost Multi-Path (ECMP) Routing Using information from its continuously updated databa ses, OSPF calculates the shortest path to a given destination. Sho rtest path is de termined from metric value s at each hop a long a path ...

  • Alcatel-Lucent 6850 - page 31

    Configuring OSPF OSPF Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-13 Graceful Restar t on Stacks with Redundant Switches OmniSwitch 6800 and OmniSwitc h 6850 stacks with t wo or more switch es can support redundancy where if the primary switch fails or goes offline for any re ason, the secondary swi ...

  • Alcatel-Lucent 6850 - page 32

    OSPF Overview Configur ing OSPF page 1-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Graceful Restar t on Switches with Redundant CMMs OmniSwitch 9000 chassis with t w o Chassis management Modu les (CMM s) can suppo rt redund ancy wher e if the primary CMM fails or goes offline for any re a son, the secondary CMM ...

  • Alcatel-Lucent 6850 - page 33

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-15 Configuring OSPF Configuring OS PF on a router requires several steps. Depending on y our requirements, you may not ne ed to perform all of the ste ps listed below. By default, OSPF is disabled on the router. Configuring OSPF c ...

  • Alcatel-Lucent 6850 - page 34

    Configuring OSPF Configur ing OSPF page 1-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Preparing the Network for OSPF OSPF operates on top of normal switch functions, using ex isting ports, v irtual ports, VLANs, etc. Th e following net work components shoul d already be configured : • Configure VLANs that are ...

  • Alcatel-Lucent 6850 - page 35

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-17 Removing OSPF from Memory To remove OSPF from the router memory, it is necessary to manual ly edit the boot.cfg file. The boot.cfg file is an ASCII text -based file that controls many of the switch p arameters. Open the file an ...

  • Alcatel-Lucent 6850 - page 36

    Configuring OSPF Configur ing OSPF page 1-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Enabling and Disabling Summarization Summarization can also be enabled or disabled when creating an area. Enabling summar ization allows for ranges to be used by Area Border Routers (ABRs) for advert ising routes as a single ro ...

  • Alcatel-Lucent 6850 - page 37

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-19 Configuring Stub Area Default Metrics The default metric co nfigures the type of c ost metr ic that a default area bord er router (ABR) will adv er- tise in the defaul t summary Link State Adverti sement (LSA). Use the ip ospf ...

  • Alcatel-Lucent 6850 - page 38

    Configuring OSPF Configur ing OSPF page 1-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ip ospf area 1.1.1.1 summary di sable -> ip ospf area 1.1.1.1 default-me tric 0 -> ip ospf interface vlan-5 -> ip ospf interface vlan-5 area 1 .1.1.1 -> ip ospf interface vlan-5 status enable -> ip ospf int ...

  • Alcatel-Lucent 6850 - page 39

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-21 Activating an Interface Once the interface is create d and assigned to an area, i t must be activated using the ip ospf interface status command with the interface name, as shown: -> ip ospf interface vlan-213 stat us enable ...

  • Alcatel-Lucent 6850 - page 40

    Configuring OSPF Configur ing OSPF page 1-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Modifying Inter face Parameters There are several in terface parameters that can be mo dified on a specified interface . Most of these deal with timer sett ings. The cost para meter and the pr iority para meter help to det ermi ...

  • Alcatel-Lucent 6850 - page 41

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-23 Accepted ne twork design theo ry states that virtu al links are the op tion of last re sort. For more informa tion on virtual links, see “Virtual Links” on page 1-9 and refer to th e figure on page 1-9 . Creating a Vir tual ...

  • Alcatel-Lucent 6850 - page 42

    Configuring OSPF Configur ing OSPF page 1-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 1 Create a ro ute map, as describ ed in “Using Route Maps” on page 1-24 . 2 Configure redistri bution to apply a route map, as described in “Configuring Route Map Red istribu- tion” on pa ge 1-28 . Note. An OSPF router ...

  • Alcatel-Lucent 6850 - page 43

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-25 To optionall y filter ro utes before redistributi on, use the ip route-map command with a match pa rameter to configure match crit eria for incoming routes. For example, -> ip route-map ospf-to-bgp sequen ce-number 10 match ...

  • Alcatel-Lucent 6850 - page 44

    Configuring OSPF Configur ing OSPF page 1-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Deleting a Route Map Use the no form of the ip route-map command t o delete an entire rou t e map, a route map sequence, or a specific statement w ithin a sequence. To delete an en tire route ma p, enter no ip route-map followe ...

  • Alcatel-Lucent 6850 - page 45

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-27 Sequence 10 and sequence 20 are bo th linked to route map rm_1 and are processed in ascendin g order according to their sequence number va lue. Note that th ere i s an implied logical OR betwe en sequences. As a result, if ther ...

  • Alcatel-Lucent 6850 - page 46

    Configuring OSPF Configur ing OSPF page 1-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Route Map Redistribution The ip redist command is use d to configure t he redistribution of routes from a source protocol into the destination protoc ol. This command is used on the ro uter that will perform t he re ...

  • Alcatel-Lucent 6850 - page 47

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-29 Route Map Redistribution Example The following example configures the redistribution of OSPF routes into a BGP network using a route map (ospf-to-bgp ) to filter specific routes: -> ip route-map ospf-to-bgp sequen ce-number ...

  • Alcatel-Lucent 6850 - page 48

    Configuring OSPF Configur ing OSPF page 1-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Router Capabilities The following li st shows various commands tha t can be useful in tail oring a router’s performance c apabili- ties. All of the liste d parameters have defaul ts that are acceptable for running ...

  • Alcatel-Lucent 6850 - page 49

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-31 Configuring Static Neighbors It is possible to co nfigure neighbors stat ically on Non B roadcast Multi Access (NB MA), point-to-point, and point-to -multipoint net works. NBMA requires all routers attached to the network to co ...

  • Alcatel-Lucent 6850 - page 50

    Configuring OSPF Configur ing OSPF page 1-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Redundant Switches in a Stack for Graceful Restar t By default, OSPF graceful restart is disabled. To enable OSPF g raceful restart support on OmniSwitch 6800 and OmniSw itch 6850 switc hes, use the ip ospf restart- ...

  • Alcatel-Lucent 6850 - page 51

    Configuring OSPF Configur ing OSPF OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-33 Configuring Redundant CMMs for Graceful Restar t By default, OSPF graceful restart is disabled. To enable OSPF graceful rest art on OmniSwitch 9000 switches, use the ip ospf restart-support command by en tering ip ospf restart- ...

  • Alcatel-Lucent 6850 - page 52

    OSPF Application Example Configur ing OSPF page 1-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPF Application Example This section will de monstrate how to set up a simple OSPF network. It uses three routers, each with an area. Each router uses three VLANs . A backbone connects al l the rout ers. This section w ...

  • Alcatel-Lucent 6850 - page 53

    Configuring OSPF OSPF Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-35 Step 1: Prepare the Routers The first step is to create the VL ANs on each router, add a n IP interface to the VLAN, assign a port to th e VLAN, and assign a router identifi cat ion number to the routers. For the backbon ...

  • Alcatel-Lucent 6850 - page 54

    OSPF Application Example Configur ing OSPF page 1-36 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ip router router-id 2.2.2.2 These commands created VLANs 12, 23, and 20. • VLAN 12 handl es the backbone connection from Ro uter 1 to Router 2, using the IP route r port 12.0.0.2 and physical port 2/1. • VLAN ...

  • Alcatel-Lucent 6850 - page 55

    Configuring OSPF OSPF Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-37 The commands for this step are below : Router 1 -> ip ospf area 0.0.0.0 -> ip ospf area 0.0.0.1 These commands created area 0.0.0. 0 (the backbone) and area 0.0.0.1 (the ar ea for Router 1). Both of these areas are ...

  • Alcatel-Lucent 6850 - page 56

    OSPF Application Example Configur ing OSPF page 1-38 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ip ospf interface vlan-20 -> ip ospf interface vlan-20 area 0.0.0.2 -> ip ospf interface vlan-20 statu s enable IP router port 12.0.0.2 was associat ed to OSPF interface vlan-12, enab led, and assigned to th ...

  • Alcatel-Lucent 6850 - page 57

    Configuring OSPF Verifying OSPF Configuration OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 1-39 V erifying OSPF Configuration To display info rmation about are as, interfaces, virt ual links, redist ribution, or OPSF in general, use t he show commands listed in the follo wing table: For more information about t ...

  • Alcatel-Lucent 6850 - page 58

    Verifying OSPF Configuration Configuring OSPF page 1-40 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 ...

  • Alcatel-Lucent 6850 - page 59

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-1 2 Configuring OSPFv3 Open Shortest Path First version 3 (OSPFv3) is an extension of OSPF version 2 that provides support for networks using the IPv6 pr otocol. OSPFv2 is for IPv 4 networks (see Chapte r 1, “Configur ing OSPF,” for more infor mation about O SP ...

  • Alcatel-Lucent 6850 - page 60

    OSPFv3 Specifications Configuring OSPFv3 page 2-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPFv3 Specifications RFCs Supported RFC 1826—IP Authentica tion Header RFC 1827—IP Encapsulating Secu rity Payload RFC 2553—Basic Socket Interface Ext ensions for IPv6 RFC 2373—IPv6 Addressing Archit ecture RFC 23 ...

  • Alcatel-Lucent 6850 - page 61

    Configuring OSPFv3 OSPFv3 Defaults Table OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-3 OSPFv3 Defaults T able The following tabl e shows the default settin gs of the configurabl e OSPFv3 parameters. Parameter Description Comma nd Default V alue/Comments Configures the OSP Fv3 administra- tive status. ipv6 os ...

  • Alcatel-Lucent 6850 - page 62

    OSPFv3 Quick Steps Configuring OSPFv3 page 2-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPFv3 Quick Steps The followings steps are desi gned to show the user the necessary se t of commands for setti ng up a router to use OSPFv3: 1 Create a VLAN using th e vlan comman d. For exam ple: -> vlan 5 -> vlan 5 e ...

  • Alcatel-Lucent 6850 - page 63

    Configuring OSPFv3 OSPFv3 Qu ick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-5 9 You can no w display t he router OSPFv3 se ttings by usin g the show ipv6 ospf command. The output generated is simil ar to the followin g: 10 You can di splay OSPFv3 area setti ngs using the show ipv6 ospf area command. F ...

  • Alcatel-Lucent 6850 - page 64

    OSPFv3 Quick Steps Configuring OSPFv3 page 2-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 11 You can di splay OSPFv3 interface settings using t he show ipv6 ospf interface command. For exampl e: -> show ipv6 ospf interface test Name = test Type = BROADCAST, Admin Status = Enabled, IPv6 Interface Status = Up, Op ...

  • Alcatel-Lucent 6850 - page 65

    Configuring OSPFv3 OSPFv3 Qu ick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-7 12 You can view th e contents of the Li nk-State Datab ase (LDSB) using t he show ipv6 ospf lsdb command. This co mmand displays the topology informati on that is prov ided to/from neig hbors. For exampl e: -> show ipv6 o ...

  • Alcatel-Lucent 6850 - page 66

    OSPFv3 Overview Configuring OSPFv3 page 2-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 OSPFv3 Over view Open Shortest Path Fi rst version 3 (OSPFv3) ro uting is a shorte st path first (SPF), or link- state, protocol for IPv6 networks. OSPFv3 is an interior gateway pro tocol (IGP) that distri butes routing inf orma ...

  • Alcatel-Lucent 6850 - page 67

    Configuring OSPFv3 OSPFv3 Ov erview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-9 OSPFv3 Areas OSPFv3 allows colle ctions of contig uous networ ks a nd hosts to be grou ped together a s an area . Each area runs a separate co py of the basic lin k-state routing algorithm (usually called SP F). This means that ...

  • Alcatel-Lucent 6850 - page 68

    OSPFv3 Overview Configuring OSPFv3 page 2-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Classification of Routers When an AS is split into OSPFv3 areas, the routers are furt her divide d according to fun ction into t he following fo ur overlappin g categories: • Internal area router. A router with al l directly ...

  • Alcatel-Lucent 6850 - page 69

    Configuring OSPFv3 OSPFv3 Ov erview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-11 Stub Areas OSPFv3 allows certain areas to be configured as stub areas . A stub area is an area with routers tha t have no AS external Link State A dvertisements (LSAs). In order to ta ke advantage of th e OSPFv3 stub area su p ...

  • Alcatel-Lucent 6850 - page 70

    OSPFv3 Overview Configuring OSPFv3 page 2-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Equal Cost Multi-Path (ECMP) Routing Using information from its continuously updated databa ses, OSPFv3 calculates the shortest path to a given destination. Sho rtest path is de termined from metric value s at each hop a long a ...

  • Alcatel-Lucent 6850 - page 71

    Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-13 Configuring OSPFv3 Configuring OS PFv3 on a router requires several st eps. Depending on your requirements, you may not need to perform all of the steps listed below. By default, OSPFv3 is enabled on the router . Configuring ...

  • Alcatel-Lucent 6850 - page 72

    Configuring OSPFv3 Configuring OSPFv3 page 2-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Preparing the Network for OSPFv3 OSPFv3 operates on top of normal switch functions, using ex isting ports, v irtual ports, VLANs, etc. The following net work components shoul d already be configured : • Configure VLANs tha ...

  • Alcatel-Lucent 6850 - page 73

    Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-15 Removing OSPFv3 from Memory To remove OSPFv3 from the router memory, it is necessary to manu ally edit the boot.cfg file. The boot.cfg file is an ASCII text-based file that controls many of the switch paramete rs. Open the f ...

  • Alcatel-Lucent 6850 - page 74

    Configuring OSPFv3 Configuring OSPFv3 page 2-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 The first example gives specifics abou t area 1.1.1.1, and t he second exam ple shows all areas co nfigured on the router. To display the parameters of an area, use the show ipv6 ospf area command as follows: -> show ipv6 ...

  • Alcatel-Lucent 6850 - page 75

    Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-17 Modifying Interface Parameters There are several in terface parameters that can be mo dified on a specified interface . Most of these deal with timer sett ings. The cost para meter and the pr iority para meter help to det er ...

  • Alcatel-Lucent 6850 - page 76

    Configuring OSPFv3 Configuring OSPFv3 page 2-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 2 Then use the ipv6 ospf virtual-link command on Ro uter A as shown: -> ipv6 ospf virtual-link area 0.0 .0.1 router 2.2.2.2 3 Next, enter t he following c ommand on Router B: -> ipv6 ospf virtual-link area 0.0 .0.1 rou ...

  • Alcatel-Lucent 6850 - page 77

    Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-19 Using Route Maps A route map specifies th e criteria that are used to cont rol re distri bution of routes between protocols. Su ch criteria is defined b y configuring ro ute map statem ents. There are three differ ent types ...

  • Alcatel-Lucent 6850 - page 78

    Configuring OSPFv3 Configuring OSPFv3 page 2-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. Configuring match state ments is not require d. However, if a route map doe s not contain any match statements and the route ma p is applied using the ipv6 redist command, the rout er redistributes all routes into the ...

  • Alcatel-Lucent 6850 - page 79

    Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-21 Configuring Route Map Sequences A route map may consist of one or more sequen ces of statem ents. The sequ ence number determines wh ich statements belong to which sequ ence and the order in which sequenc es for the same rou ...

  • Alcatel-Lucent 6850 - page 80

    Configuring OSPFv3 Configuring OSPFv3 page 2-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Access Lists An IP access list provides a convenient way to add mu ltiple IPv4 or IPv6 addresses to a rout e map. Using an access list avoids having to enter a separate route ma p statement for each individu al I ...

  • Alcatel-Lucent 6850 - page 81

    Configuring OSPFv3 Configuring OSPFv3 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-23 To remove a route map redistribut ion configuration, u se the no form of the ipv6 redist command. For example: -> no ipv6 redist ospf into rip ro ute-map ospf-to-rip Use the show ipv6 redist command to verify the redistri ...

  • Alcatel-Lucent 6850 - page 82

    Configuring OSPFv3 Configuring OSPFv3 page 2-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Router Capabilities The following li st shows various commands tha t can be useful in tail oring a router’s performance c apabili- ties. All of the listed paramet ers have defaults that are acce ptable for ru n ...

  • Alcatel-Lucent 6850 - page 83

    Configuring OSPFv3 OSPFv3 Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-25 OSPFv3 Application Example This section will demonst rate how to set up a simple OSPFv3 networ k. It uses three routers, each with an area. Each router uses three VLANs . A backbone connects al l the rout ers. This s ...

  • Alcatel-Lucent 6850 - page 84

    OSPFv3 Application Example Configuring OSPFv3 page 2-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Step 1: Prepare the Routers The first step is to create the VL ANs on each router, add a n IP interface to the VLAN, assign a port to th e VLAN, and assign a router identifi cat ion number to the routers. For the bac ...

  • Alcatel-Lucent 6850 - page 85

    Configuring OSPFv3 OSPFv3 Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-27 -> vlan 20 -> ipv6 interface vlan-20 vlan 20 -> ipv6 address 2001:4::1/64 vlan- 20 -> vlan 20 port default 2/3-5 -> ipv6 router router-id 2.2.2.2 These commands created VLANs 12, 23, and 20. • VLAN 1 ...

  • Alcatel-Lucent 6850 - page 86

    OSPFv3 Application Example Configuring OSPFv3 page 2-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Step 3: Create the Areas and Backbone Now the areas should be created. In this case, we will cre ate an area for each router, a nd a backbone (area 0.0.0.0) that connects the areas. The commands for this step are bel ...

  • Alcatel-Lucent 6850 - page 87

    Configuring OSPFv3 OSPFv3 Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 2-29 IPv6 router interface vlan-12 was associ ated with O SPFv3 interface vl an-12, enab led, and assigned to the backbone. IPv6 router interface vlan-23 was a ssoci ated with OSPFv3 interface vlan-23, enabled, and assign ...

  • Alcatel-Lucent 6850 - page 88

    Verifying OSPFv3 Configuration Configuring OSPFv3 page 2-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying OSPFv3 Configuration To display info rmation about are as, interfaces, virt ual links, redist ribution, or OPSFv 3 in general, us e the show commands listed in the follo wing table: For more informatio ...

  • Alcatel-Lucent 6850 - page 89

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-1 3 Configuring IS-IS Intermediate System-t o-Intermediate System (IS-IS) is an International Organ i zation for St andardization (ISO) dynamic routing specification. IS-IS is a shortest path first (SPF), or link state pr otocol. It is an interior gat eway protocol ...

  • Alcatel-Lucent 6850 - page 90

    IS-IS Specifications Configuring IS-IS page 3-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Specifications RFCs Supported 1 142-OSI IS-IS Intra-domain Rou ting Protocol 1 195-O SI IS-IS for Routing in TCP/IP a nd Dual Environments 3373-Three-W ay Handshake for Intermediate System to Intermedi ate System (IS-I ...

  • Alcatel-Lucent 6850 - page 91

    Configuring IS-IS IS-IS Defaults Table OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-3 IS-IS Defaults T able The following tabl e shows the default settin gs of the configurabl e IS-IS parameters. Parameter Description Comma nd Default V alue/Comments Administrative status of IS-IS ip i sis status disabled Glo ...

  • Alcatel-Lucent 6850 - page 92

    IS-IS Defaults Table Configuring IS-IS page 3-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS level (per interface ) ip isis interf ace level- capability Level-1/2 IS-IS authentication check ip isis auth-check enabled LSP time interval (per interface) ip isis interface lsp-pacing -inter- val 100 millisecon ds I ...

  • Alcatel-Lucent 6850 - page 93

    Configuring IS-IS IS-IS Quick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-5 IS-IS Quick Steps The following steps are designed to show the user the necessary set of commands fo r setting up a router to use IS-IS: 1 Create a VLAN using th e vlan comman d. For exam ple: -> vlan 5 name "vlan-5&quo ...

  • Alcatel-Lucent 6850 - page 94

    IS-IS Quick Steps Configuring IS-IS page 3-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 L1 LSDB Overload : Disabled L2 LSDB Overload : Disabled L1 LSPs : 177 L2 LSPs : 177 Last SPF : FRI OCT 2 6 05:04:09 2007 SPF Wait : Max :1000 0 ms, Initial :1000 ms, Second :1000 ms Hello-Auth Check : Enabled Csnp-Auth Check : ...

  • Alcatel-Lucent 6850 - page 95

    Configuring IS-IS IS-IS Quick Steps OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-7 Auth Type : None Metric : 10 Hello Timer : 9 Hello Mult : 3 Priority : 64 Passive : No ------------------------------------ ----------------------------------------- Interface : intf2 Level Capability : L2 Oper State : UP Admin ...

  • Alcatel-Lucent 6850 - page 96

    IS-IS Overview Configuring IS-IS page 3-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Over view IS-IS is an SPF or link state protocol. IS-IS is also an IGP that distributes ro uting information b etween routers in a single AS. It supports pu re IP and OSI environme nts, as well a s dual envi ronments (both I ...

  • Alcatel-Lucent 6850 - page 97

    Configuring IS-IS IS-IS Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-9 Adjacencies control t he distribution of rout ing protocol packets. Routin g protocol packets are sent and received only on adja cencies. In particular, distribut ion of topological database updates proceeds alon g adjacencies. Af ...

  • Alcatel-Lucent 6850 - page 98

    IS-IS Overview Configuring IS-IS page 3-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Packet T ypes IS-IS transmits data i n little chunks k nown as packet s. There are four packet types in IS-IS. They are: • Intermediate System-to-Intermediate System Hello (IIH)— Used by routers to detect ne ighbors and ...

  • Alcatel-Lucent 6850 - page 99

    Configuring IS-IS IS-IS Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-11 An area’s topolo gy is visible o nly to the members o f that area. Routers insi de a given area do not know the detailed top ology outside t he area. This iso lation of knowl edge enables th e protocol to reduce rout ing traf- ...

  • Alcatel-Lucent 6850 - page 100

    IS-IS Overview Configuring IS-IS page 3-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Graceful Restar t on Stacks with Redundant Switches OmniSwitch 6850 stacks wi th two or more switches support redu ndancy, where if t he primary switch fails or goes offline, the secondary switch is instantly not ified. The secon ...

  • Alcatel-Lucent 6850 - page 101

    Configuring IS-IS IS-IS Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-13 If the restarting rou ter, Router X, is identified as th e Designated Router (DIS) on the network segment S at the beginning of the helping rel ationship, the helper neighbor, R outer Y, will main tain Router X as th e DIS until ...

  • Alcatel-Lucent 6850 - page 102

    Configuring IS-IS Configuring IS-IS page 3-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring IS-IS Configuring IS-IS o n a router requires several steps. Depending on your requirement s, you may need to perform all the steps listed below. By default, IS-IS is d isabled on the router. Configuring IS-IS cons ...

  • Alcatel-Lucent 6850 - page 103

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-15 • Assign ports to the VLANs . The ph ysical ports partic ipating in the IS-IS netwo rk must be assigned to the created VLANs. Assi gning ports to a VLA N is described in “Assignin g Po rts to VLANs,” in the OmniSwitch 68 ...

  • Alcatel-Lucent 6850 - page 104

    Configuring IS-IS Configuring IS-IS page 3-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating an IS-IS Area ID IS-IS allows a set of netw ork devices in an AS to be grou ped together in areas . Each area is ide ntified by an area ID . The area ID is a 1–13 byte va riable len gth integer , which specif ies th ...

  • Alcatel-Lucent 6850 - page 105

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-17 The level capability can be configured globally on the router or on specific interfac es. By default, the router can operate at both levels. To modify the leve l capability of the router globall y, use the i p isis level-capab ...

  • Alcatel-Lucent 6850 - page 106

    Configuring IS-IS Configuring IS-IS page 3-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • When the router is globally configured to act at Level -1, the poten tial a djacency will also be Level-1. If the interface is configured at Level-2 capability , the router will n ot form potenti al adjacency with the neig ...

  • Alcatel-Lucent 6850 - page 107

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-19 If the encrypt-key parameter is us ed to configure the password throug h the CLI, then its v alue should b e the same as the one that appear s in the configuration snap shot. Note. By default, the auth entication is disa bled ...

  • Alcatel-Lucent 6850 - page 108

    Configuring IS-IS Configuring IS-IS page 3-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 MD5 Authentication MD5 authentication can be used to protect the syst em from malici ous actions. MD5 authentication c an be used to encrypt informatio n se nt over the net work. MD5 aut hentication wo rks by using shared secr ...

  • Alcatel-Lucent 6850 - page 109

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-21 To enable the auth entic ation of PSNP PDUs glob ally, enter the follo wing: -> ip isis psnp-auth Level Authentication You can enable authenticati on and co nfigure the authe ntication types for specific IS-IS levels global ...

  • Alcatel-Lucent 6850 - page 110

    Configuring IS-IS Configuring IS-IS page 3-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. Both the ip isis inte rface hello-auth-type and ip isi s interface level hello-au th-type can be config- ured for the authentication of either simple or MD5 t ype with the pa ssword specified either in plain text or in e ...

  • Alcatel-Lucent 6850 - page 111

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-23 To set the LSP interv al to 120 second s, enter the followi ng: -> ip isis interface vlan-101 lsp- pacing-interval 120 To set the LSP retransmit interval to 100 se conds, enter the following: -> ip isis interface lan-3 r ...

  • Alcatel-Lucent 6850 - page 112

    Configuring IS-IS Configuring IS-IS page 3-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Redistribution Using Route Maps It is possible to configu re the IS-IS protocol to advertise r outes learned from other routin g protocols (AS- external routes) into the IS-IS net wor k. Such a proc ess is referred ...

  • Alcatel-Lucent 6850 - page 113

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-25 Refer to the “IP Commands” chapter in the Om niSwitch C LI Reference G uide for more information about the ip route-map command parameters and usage guidelines. Once a route map is created, it is then applied using the ip ...

  • Alcatel-Lucent 6850 - page 114

    Configuring IS-IS Configuring IS-IS page 3-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Deleting a Route Map Use the no form of the ip route-map command t o delete an entire rou t e map, a route map sequence, or a specific statement w ithin a sequence. To delete an en tire route ma p, enter no ip route-map follow ...

  • Alcatel-Lucent 6850 - page 115

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-27 a result, if there i s no match for the metric val ue in sequence 10, th e n the match interface statement in sequence 20 is processed. How ever, if a route matche s the metric value 8 , then sequence 20 i s not used. The set ...

  • Alcatel-Lucent 6850 - page 116

    Configuring IS-IS Configuring IS-IS page 3-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Route Map Redistribution The ip redist command is use d to configure t he redistribution of routes from a source protocol into the IS- IS destination protocol . This command is used on the IS-IS router that will pe ...

  • Alcatel-Lucent 6850 - page 117

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-29 Route Map Redistribution Example The following exampl e config ures the redistributi on of RIP routes into an IS-IS network using a route map (rip-to-isis) to filter spec ific routes: -> ip route-map rip-to-isis sequen ce-n ...

  • Alcatel-Lucent 6850 - page 118

    Configuring IS-IS Configuring IS-IS page 3-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Router Capabilities The following ta ble lists va rious commands that can be useful in tailorin g a router’s performance capabili- ties. All the listed paramete rs have defaults th at are acceptable for ru nning ...

  • Alcatel-Lucent 6850 - page 119

    Configuring IS-IS Configuring IS-IS OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-31 Configuring Redundant Switches in a Stack for Graceful Restar t By default, IS-IS graceful restart is disabled. When graceful rest art is enabled, the router can e ither be a helper or a restarting router . When graceful resta ...

  • Alcatel-Lucent 6850 - page 120

    IS-IS Application Example Configuring IS-IS page 3-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IS-IS Application Example This section will de monstrate how to set up a simple IS -IS network. It uses two ro uters, each with an area. Each router is a L1-L2 capable route r and can commu n icate with different areas ...

  • Alcatel-Lucent 6850 - page 121

    Configuring IS-IS IS-IS Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 3-33 Router 2 -> vlan 5 name vlan-isis -> ip interface vlan-isis address 10.4.1.2 mask 255.0.0.0 vlan 5 -> vlan 5 port default 1/10 Step 2: Enable IS-IS The next step is to load and enable IS-IS on eac h router. Th ...

  • Alcatel-Lucent 6850 - page 122

    Verifying IS-IS Configuration Configuring IS-IS page 3-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Router 2 -> ip isis interface vlan-isis -> ip isis interface vlan-isis sta tus enable Step 6: Examine the Network After the netw ork has been create d, you can check various aspects of it using show co mmands ...

  • Alcatel-Lucent 6850 - page 123

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-1 4 Configuring BGP The Border Gatew ay Protocol (BGP) is an ex terior routing p rotocol that gu arantees the loop-free exchange of routing i nformation betwe en autonomous sy stems. The Alcatel-L ucent implementation supports BGP version 4 as defined in RFC 4271. ...

  • Alcatel-Lucent 6850 - page 124

    Configuring BGP page 4-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • Configuring redi stribution using route maps. See “Configuri ng Redistributi on” on page 4 -53 . • Enabling IPv6 BGP Unicast. See “Enabling/Disabling IPv6 BGP Un icast” on page 4-68 . • Configuring an IPv6 BGP Peer. See “Con figu ...

  • Alcatel-Lucent 6850 - page 125

    Configuring BGP BGP Specifications OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-3 BGP Specifications RFCs Supported 4271–A Border Gatewa y Protocol 4 (BGP-4) 2439–BGP Route Flap Damp ing 3392–Capabilitie s Advertisement with BGP-4 2385–Protect ion of BGP Sessions via the TCP MD5 Signature O ption 1997 ...

  • Alcatel-Lucent 6850 - page 126

    Quick Steps for Using BGP Configuring BGP page 4-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Quick Steps for Using BGP 1 The BGP software is not loaded au tomatically when the ro uter is booted. You must manually load the software in to memory by typ ing the following command: -> ip load bgp 2 Assign an Autono ...

  • Alcatel-Lucent 6850 - page 127

    Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-5 BGP Over view BGP (Border Gateway Protocol) is a protocol for exch anging routing i nformation betwe en gateway hosts in a network of auton omous systems. BGP is the most commo n protocol used between gateway ho sts on the Internet. T ...

  • Alcatel-Lucent 6850 - page 128

    BGP Overview Configuring BGP page 4-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 BGP is intended for use in networks with multiple auto nomous systems. It is not intended to be used as a LAN routing prot ocol, such as RIP or Op en Shortest Path Fi rst (OSPF). In additi on, when BGP is use d as an internal routin g ...

  • Alcatel-Lucent 6850 - page 129

    Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-7 Internal vs. External BGP Although BGP is an ex terior gateway protoc ol, it can still be used in side an AS as a pipe to exchange BGP updates. BGP connec tions inside an AS a re referred to as Internal BGP (IBGP ), while BGP connecti ...

  • Alcatel-Lucent 6850 - page 130

    BGP Overview Configuring BGP page 4-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Communities A community is a g roup of destinati ons that share so me common property. A community is not re stricted to one network or one autono mous system. Communities are used to simplify routin g policies by iden tifying routes ...

  • Alcatel-Lucent 6850 - page 131

    Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-9 Route Refle ctors Route reflectors are useful if the internal BGP mesh becomes very large. A rout e reflector is a concentra- tion router for ot her BGP peers in the local network, a cting as a focal poi nt for internal BGP sessions. ...

  • Alcatel-Lucent 6850 - page 132

    BGP Overview Configuring BGP page 4-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 In the diagram abov e, Clients 1, 2 , and 3 peer wi th Reflector 1, and Clients 4, 5, an d 6 peer with Refle ctor 2. Reflector 1 an d 2 peer with each other. This allows each BGP speaker to maintain only one BGP session, rather than ...

  • Alcatel-Lucent 6850 - page 133

    Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-11 BGP Confederations Confederations a re another way of dealing with larg e networks with ma ny BGP speakers. Lik e route reflectors, confederations are reco mmended when speakers ar e forced to handle large numbers of BGP sessions at ...

  • Alcatel-Lucent 6850 - page 134

    BGP Overview Configuring BGP page 4-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Policies Routing policie s enable route classifi cation for import ing and exportin g routes. The goal of routing policies is to control traffic flow. Poli cies can be appli ed to egress and ingre ss traffic. Note. Policies can be ap ...

  • Alcatel-Lucent 6850 - page 135

    Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-13 Regular Expressions Regular expressions ar e used to iden tify AS paths for purpos es of making routing decis ions. In this context, an AS path is a list of one or mor e unsigned 16-bit AS nu mbers, in the range 1 through 6553 5. An ...

  • Alcatel-Lucent 6850 - page 136

    BGP Overview Configuring BGP page 4-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • It makes writing (and readin g) policies much easier. • It enables the router to begin using th e policies more quickly after startup. For example, to i dentify routes orig inating from intern al autonomous systems, you would u ...

  • Alcatel-Lucent 6850 - page 137

    Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-15 Some examples of invalid reg ular expressions are shown in the following t able: Matches: 100 350 501 200 250 260 27 0 280 600 Doesn’t Match: 100 600 100 400 60 0 700 ^500 Meaning: Only routes consisting of a single AS, 50 0. Match ...

  • Alcatel-Lucent 6850 - page 138

    BGP Overview Configuring BGP page 4-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 The Route Selection Pr ocess Several metrics are used to make BGP routing decisi ons. These metrics include the rout e’s local prefer- ence, the AS Path, and t he Multi-Exit Discriminator (M E D). These metrics are organized into a ...

  • Alcatel-Lucent 6850 - page 139

    Configuring BGP BGP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-17 Route Dampening Route dampening is a mechanism for controlling rout e instability. If a route is enabled and disabled frequently, it can cause an ab undance of UPDATE and WITHDRAW N messages to ex pend speaker resources. Route dampen ...

  • Alcatel-Lucent 6850 - page 140

    BGP Configuration Overview Configuring BGP page 4-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 BGP Configuration Over view The following ste ps and points summarize config uring BGP. Not all o f the following are nec essary. For the necessary steps to enable BGP on the O mniSwitch, see “Quick Steps for Using BG ...

  • Alcatel-Lucent 6850 - page 141

    Configuring BGP Starting BGP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-19 Star ting BGP Before BGP is operational o n your router you must load it to running memory and then administrati vely enable the protocol usi ng the ip load bgp and ip bgp status commands. Follow th ese steps to sta rt BGP. 1 Install ...

  • Alcatel-Lucent 6850 - page 142

    Setting Global BGP Parameters Configuring BGP page 4-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Setting Global BGP Parameters Many BGP parameters are a pplied on a router-w id e basis. These paramet ers are referred to as global BGP parameters. These values are taken by BGP peers in the rout er unless explicitl ...

  • Alcatel-Lucent 6850 - page 143

    Configuring BGP Setting Global BGP Parameters OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-21 Setting the Router AS Number The router takes a single Au tonomous System (AS) num ber. You can assign one and only one AS number to a router using th e ip bgp autonomous-system command. That same router may contain ...

  • Alcatel-Lucent 6850 - page 144

    Setting Global BGP Parameters Configuring BGP page 4-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Enabling AS Path Comparison The AS path is a route attribute t hat shows the sequ ence of ASs through which a route has traveled. For example if a path originated in AS 1, then went throug h AS 3, and reached its des ...

  • Alcatel-Lucent 6850 - page 145

    Configuring BGP Setting Global BGP Parameters OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-23 Controlling the use of MED V alues The Multi Exi t Discriminator, or M ED, is used by bo rder routers (i.e., BGP spea kers with lin ks to neigh- boring autonomous systems) to help choose between multiple entry and ex ...

  • Alcatel-Lucent 6850 - page 146

    Setting Global BGP Parameters Configuring BGP page 4-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Synchr onizing BGP and IGP Routes The default behavior of BGP requ ires that it must be synchronized wi th the IGP before BGP may adver- tise transit route s to external ASs. It is i mportant that your network is co ...

  • Alcatel-Lucent 6850 - page 147

    Configuring BGP Setting Global BGP Parameters OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-25 Displaying Global BGP Parameters The following li st shows the command s for viewing the various aspects of B GP set with the gl obal BGP commands: For more information about the output from these show com mands, see ...

  • Alcatel-Lucent 6850 - page 148

    Configuring a BGP Peer Configuring BGP page 4-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring a BGP Peer BGP supports two types of peers, or neighbor s: internal and exter nal. Internal sessions are run between BGP speakers in the same autonomous system (AS). External se ssions are run between BGP peers ...

  • Alcatel-Lucent 6850 - page 149

    Configuring BGP Config uring a BGP Pee r OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-27 Note. BGP peers are not dy namically learned. BGP peers must be explicitly configured on the ro uter using the ip bgp neighbor command. Enable or disabl es maximum pre- fix warning for a peer. ip bgp neighbor maximum-pref ...

  • Alcatel-Lucent 6850 - page 150

    Configuring a BGP Peer Configuring BGP page 4-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating a Peer 1 Create the peer and assign it an address usin g the ip bgp neighbor command. For exa mple to create a peer with an address of 190.17 .20.16 you would ent er: -> ip bgp neighbor 190.17.20.16 2 Assign an ...

  • Alcatel-Lucent 6850 - page 151

    Configuring BGP Config uring a BGP Pee r OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-29 5 After entering all command s to configure a peer yo u ne ed to administrati vely en able the peer. The peer will not be gin advertising rou tes until you enable it . To enable the peer in the above step, enter the ip bg ...

  • Alcatel-Lucent 6850 - page 152

    Configuring a BGP Peer Configuring BGP page 4-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Changing the Local Router Add ress for a Peer Session By default, TCP con nections to a peer 's address are assigned to the clos e st interface based on reachability. Any operational l ocal interface can be assigned to ...

  • Alcatel-Lucent 6850 - page 153

    Configuring BGP Config uring a BGP Pee r OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-31 Setting Peer Authentication You can set which MD5 authentication key this router wil l use when contacting a peer. To set the MD5 authentication key, enter the pe er IP address and key with the ip bgp neighbor md5 key com ...

  • Alcatel-Lucent 6850 - page 154

    Configuring Aggregate Routes Configuring BGP page 4-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Aggregate Routes Aggregate routes are u sed to red uce the size of routing tables by combining th e attrib utes of seve ral differ- ent routes and allowing a si ngle aggreg ate route to be advertised to pe ...

  • Alcatel-Lucent 6850 - page 155

    Configuring BGP Configuring Local Routes (Networks) OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-33 Configuring Local Routes (Networks) A local BGP network i s used to indi cate to BGP that a network should or iginate from a specified router. A network must be known t o the local BGP speaker; it also must or ...

  • Alcatel-Lucent 6850 - page 156

    Configuring Local Routes (Networks) Configuring BGP page 4-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring Network Parameters Once a local ne twork is added to a spea ker, you can co nfigure three parameters that are attache d to routes generated by the ip bgp network comma nd. These three attributes are ...

  • Alcatel-Lucent 6850 - page 157

    Configuring BGP Configuring Local Routes (Networks) OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-35 Viewing Network Settings To view the net work settings for a ll networks assi gned to the speaker, enter the show ip bgp network command, as shown: -> show ip bgp network A display simila r to the followi ng ...

  • Alcatel-Lucent 6850 - page 158

    Controlling Route Flapping Throug h Route Dampening Configuring BGP page 4-36 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Contr olling Route Flapping Thr ough Route Dampening Route dampening minimizes th e effect of flapping rout es in a BGP netwo rk. Route flappi ng occurs wh en route information i s updated errat ...

  • Alcatel-Lucent 6850 - page 159

    Configuring BGP Controlling Route Flapping Through Route Dampening OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-37 Enabling Route Dampening Route dampening is disabled by default. Route dampening mu st be enabled before it effects routes. To enable route dampening on a BGP router, enter the ip bgp dampening c ...

  • Alcatel-Lucent 6850 - page 160

    Controlling Route Flapping Throug h Route Dampening Configuring BGP page 4-38 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Setting the Reuse V alue The dampening reuse value is used to determine if a ro ute should be re-advertised. If the number of flaps for a route falls below this number, then the route is re -adv ...

  • Alcatel-Lucent 6850 - page 161

    Configuring BGP Controlling Route Flapping Through Route Dampening OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-39 Clearing the History By clearing the dampening hi story, you are resetti ng all of the dampening infor mation on all of the ro utes back to zero, as if dampening had just been ac tivated. Route f ...

  • Alcatel-Lucent 6850 - page 162

    Setting Up Route Reflection Configuring BGP page 4-40 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Setting Up Route Reflection BGP requires that all speakers in an autonomous system be fully meshe d (i.e., each sp eaker must have a peer connection to every othe r speaker i n the AS) so that e xternal rout ing inform ...

  • Alcatel-Lucent 6850 - page 163

    Configuring BGP Setting Up Route Reflection OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-41 This same config uration using a rou te reflector would not require that all BGP speakers be fu lly meshed. One of the speake rs is configured to be a route reflecto r for the grou p. In this case, the route reflector ...

  • Alcatel-Lucent 6850 - page 164

    Setting Up Route Reflection Configuring BGP page 4-42 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 When a route reflector receives a route it, selects the b est path based on its policy decisio n criteria. The internal peers to which the route re flector advertises depends on the s ource of the route. The table belo ...

  • Alcatel-Lucent 6850 - page 165

    Configuring BGP Working with Communities OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-43 W orking with Communities Distribution of rout ing information i n BGP is typically based on IP addr ess prefixes or on the value of th e AS_PATH attributes. To facilita te an d simplify the control of routing information ...

  • Alcatel-Lucent 6850 - page 166

    Creating a Confederation Configuring BGP page 4-44 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating a Confederation A confederation i s a grouping of ASs that toget her form a su per AS. To B GP ex ternal peers, a confedera- tion appears as another AS even th ou gh the confederation h as multiple ASs within it. ...

  • Alcatel-Lucent 6850 - page 167

    Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-45 Routing Policies BGP selects routes for subsequent advert isement by ap plying policies available in a pre-conf igured local Policy Informati on database. This support of policy-based routing pro vides flexibility by applying po ...

  • Alcatel-Lucent 6850 - page 168

    Routing Policies Configuring BGP page 4-46 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 2 Next, use the ip bgp policy aspath-list action command to set the policy action. Th e action of a policy is whether t he route filtere d by the pol icy is permitted o r denied. Denie d routes are not propagate d by the BGP spea ...

  • Alcatel-Lucent 6850 - page 169

    Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-47 Creating a Prefix List Policy Prefix policies filter routes based on netw ork addre sses and their masks. You can also set prefix upper and lower limits to fi lter a range of netwo rk addresses. To create a prefix list policy: 1 ...

  • Alcatel-Lucent 6850 - page 170

    Routing Policies Configuring BGP page 4-48 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 2 Set the poli cy action u sing the ip bgp policy route-map action command. The poli cy action either permits or denies route s that match the filter. Permitted routes a re advertised, wh ile denied ro utes are not. For exampl e: ...

  • Alcatel-Lucent 6850 - page 171

    Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-49 For exampl e, to add AS pa th polic y aspathfilter and community list p olicy commfilter to route map policy mapfilter , enter the following: -> ip bgp policy route-map mapfilt er 1 aspath-list aspathfilter -> ip bgp polic ...

  • Alcatel-Lucent 6850 - page 172

    Routing Policies Configuring BGP page 4-50 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Assigning a Policy to a Peer Once policies have been created using the command s describe d above, th e policies can be applied to routes learn ed from a specifi c peer, or rout e advertis ements to a speci fic peer. The followin ...

  • Alcatel-Lucent 6850 - page 173

    Configuring BGP Routing Po licies OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-51 Assigning In and Out Bound Community List Policies to a Peer Community list po licies filter ro utes based on matches ma de to a list of communities of whic h the route is a member. Communit ies group routes by attach ing labels ...

  • Alcatel-Lucent 6850 - page 174

    Routing Policies Configuring BGP page 4-52 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Reconfiguring Peer Policies You can configure policies and assign these policies to a BGP pe er, either to control in-bound route s or out-bound rout es advertisement. Additi onally, it is possible to change or modi fy these peer ...

  • Alcatel-Lucent 6850 - page 175

    Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-53 Configuring Redistribution It is possible to configu re the BGP protocol to advertise ro utes learned from other routing pro tocols (exter- nal routes) into the BGP network. Such a proc ess is referred to as rout e redi ...

  • Alcatel-Lucent 6850 - page 176

    Configuring Redistribution Configuring BGP page 4-54 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Creating a Route Map When a route map is created, it is gi ven a name (up to 20 characters), a sequen ce number, and an action (permit or deny ). Specifying a sequence numb er is opti onal. If a value is not co nfigured ...

  • Alcatel-Lucent 6850 - page 177

    Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-55 Deleting a Route Map Use the no form of the ip route-map command t o delete an entire rou t e map, a route map sequence, or a specific statement w ithin a sequence. To delete an ent ire route map, enter no ip route-map ...

  • Alcatel-Lucent 6850 - page 178

    Configuring Redistribution Configuring BGP page 4-56 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Sequence 10 and sequence 20 are bo th linked to route map rm_1 and are processed in ascendin g order according to their sequence number v alue. Note that th ere is an implied logical OR between sequences. As a result, i ...

  • Alcatel-Lucent 6850 - page 179

    Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-57 Configuring Route Map Redistribution The ip redist command is use d to configure t he redistribution of routes from a source protocol into the BGP destination protoc ol. This command is used on the BGP ro uter that will ...

  • Alcatel-Lucent 6850 - page 180

    Configuring Redistribution Configuring BGP page 4-58 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Route Map Redistribution Example The following example configures t he redistributi on of OSPF rout es into a BGP ne twork using a rou te map (ospf-to-bgp ) to filter specific routes: -> ip route-map ospf-to-bgp sequ ...

  • Alcatel-Lucent 6850 - page 181

    Configuring BGP Configuring Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-59 Configuring Redundant CMMs for Graceful Restar t On OmniSwitch devices in a redundant CMM configurat ion, during a CMM takeover/fai lover, inter- domain routing is disrupted. Alc atel-Lucen t Operat ing System BGP needs ...

  • Alcatel-Lucent 6850 - page 182

    Application Example Configuring BGP page 4-60 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Application Example The following simp le network using EBGP and IBGP will demonstrate some of t he basic BGP setup commands discussed previously: In the above network, Speakers 1, 2, a nd 3 are part of A S 100 and are fu lly ...

  • Alcatel-Lucent 6850 - page 183

    Configuring BGP Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-61 Administrativel y enable BGP: -> ip bgp status enable BGP Speaker 2 Assign the speaker to AS 100: -> ip bgp autonomous-system 100 Peer with the o ther speakers in AS 100 (for internal BGP, an d to create a fully meshed B ...

  • Alcatel-Lucent 6850 - page 184

    Application Example Configuring BGP page 4-62 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Peer with th e external speake r in AS 100 (for exte rnal BGP): -> ip bgp neighbor 40.0.0.1 -> ip bgp neighbor 40.0.0.1 remote -as 100 -> ip bgp neighbor 40.0.0.1 status enable Administrativel y enable BGP: -> ip b ...

  • Alcatel-Lucent 6850 - page 185

    Configuring BGP Displaying BGP Settings and Statistics OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-63 Displaying BGP Settings and Statistics Use the show comma nds listed in the follo wing table to display information about th e current BGP config- uration and on BGP stat istics: For more information abou t ...

  • Alcatel-Lucent 6850 - page 186

    BGP for IPv6 Overview Configuring BGP page 4-64 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 BGP for IPv6 Over view IP version 6 (IPv6) is a new versio n of the Int ernet Protocol, design ed as the successo r to IP version 4 (IPv4), to overcome certain limitati on s in IPv4. IPv 6 adds significa nt extra features th ...

  • Alcatel-Lucent 6850 - page 187

    Configuring BGP BGP for IPv6 Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-65 • IPv6 route aggregation. • Policy-based ro ute processing for IPv6 prefixes an d peers. • Routemap, prefix-list, community -list, and aspa th-list policies. • Graceful Restart capabil ity for IP v6 prefixes . • EB ...

  • Alcatel-Lucent 6850 - page 188

    Quick Steps for Using BGP for IPv6 Configuring BGP page 4-66 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Quick Steps for Using BGP for IPv6 The following ste ps create an IPv4 BGP pe er capable of exchangi ng IPv6 prefixes: 1 The BGP software is not loaded au tomatically when the ro uter is booted. You must manuall ...

  • Alcatel-Lucent 6850 - page 189

    Configuring BGP Quick Steps for Using BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-67 The following ste ps create an IPv6 BGP peer ca pable of exchangi ng IPv6 prefixes: 1 Repeat steps 1 through 3 from the previous section to load the BGP software, assign an AS number to the local BGP speaker, an ...

  • Alcatel-Lucent 6850 - page 190

    Configuring BGP for IPv6 Configuring BGP page 4-68 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring BGP for IPv6 This section describes the BGP for IPv6 configuratio n, which includes enabling and disabling IPv6 BG P unicast, configuring IP v6 BGP peers, and conf iguring IPv6 BGP network s using Alcatel-Luce ...

  • Alcatel-Lucent 6850 - page 191

    Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-69 Configuring an IPv4 BGP Peer to Exchange IPv6 Prefixes A BGP peer that is identified by it s IPv4 address can be used to exchan ge IPv6 prefixes. However, to do this both the p eers should be enabled with IPv6 BGP unicast ...

  • Alcatel-Lucent 6850 - page 192

    Configuring BGP for IPv6 Configuring BGP page 4-70 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring an IPv6 BGP Peer Using Link-Local IPv6 Addresses to Exchange IPv6 Prefixes To configure an IPv6 BGP peer using its link-lo cal IP v6 address to exchange IP v6 prefi xes, follow the steps mentioned below : 1 Cr ...

  • Alcatel-Lucent 6850 - page 193

    Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-71 Changing the Local Router Addr ess for an IPv6 Peer Session By default, TCP con nections to an IPv 6 peer's addre ss are a ssigned to the closes t interface based on reach- ability. Any ope rational local IPv 6 inter ...

  • Alcatel-Lucent 6850 - page 194

    Configuring BGP for IPv6 Configuring BGP page 4-72 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Optional IPv6 BGP Peer Parameters Peer Parameter Command Default V alue/ Comments The interval, in seconds, betwee n BGP retries to set up a connection vi a the transport prot ocol with another peer . ipv6 bgp neighbor co ...

  • Alcatel-Lucent 6850 - page 195

    Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-73 Configuring IPv6 BGP Networks A local IPv6 BGP ne twork is used to indicate to BGP t hat a network sh ould originate from a specified router. A netw ork must be know n to the local B GP speaker and must also or iginate fr ...

  • Alcatel-Lucent 6850 - page 196

    Configuring BGP for IPv6 Configuring BGP page 4-74 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Local Preference Local preference is an attribute that specifies the degr ee of preference to be give n to a specifi c route when there are multiple routes to the same destination. This attribute is propagated throug hout ...

  • Alcatel-Lucent 6850 - page 197

    Configuring BGP Configuring BGP for IPv6 OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-75 Viewing Network Settings To view the net work settings for all IPv6 ne tworks assigned to the speaker, enter the show ipv6 bgp network command, as shown: -> show ipv6 bgp network A display simila r to the followi ng ap ...

  • Alcatel-Lucent 6850 - page 198

    Configuring IPv6 Redistribution Configuring BGP page 4-76 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring IPv6 Redistribution It is possible to le arn and advert ise IPv6 routes be tween different rou ting protocol s. Such a process is referred to as route redistribution and is configured using the ipv6 red ...

  • Alcatel-Lucent 6850 - page 199

    Configuring BGP Configuring IPv6 Redistribution OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-77 Use the show ipv6 redist command to verify the redistribu tion config uration: -> show ipv6 redist Source Destination Protocol Protocol Status Route Map ------------+------------+-------- -+-------------------- ...

  • Alcatel-Lucent 6850 - page 200

    IPv6 BGP Application Example C onfiguring BGP page 4-78 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IPv6 BGP Application Example The following simp le network using EBGP and IBGP will demonstrate some of t he basic BGP setup commands discussed previously: In the above network, Speakers 1, 2, a nd 3 are part of A S ...

  • Alcatel-Lucent 6850 - page 201

    Configuring BGP IPv6 BGP Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-79 -> ipv6 interface Link_To_Speaker3 vlan 3 -> ipv6 address 2001:DB8:C18:1::1/ 64 Link_To_Speaker3 -> ipv6 bgp neighbor 2001:DB8:C18: 1::2 -> ipv6 bgp neighbor 2001:DB8:C18: 1::2 remote-as 100 -> ipv6 bgp ...

  • Alcatel-Lucent 6850 - page 202

    IPv6 BGP Application Example C onfiguring BGP page 4-80 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Peer with th e external speake r in AS 300 us ing IPv4 address: -> ip interface Link_To_AS300 vlan 4 -> ip interface Link_To_AS300 addr ess 30.0.0.2/24 -> ip bgp neighbor 30.0.0.1 -> ip bgp neighbor 30.0. ...

  • Alcatel-Lucent 6850 - page 203

    Configuring BGP IPv6 BGP Application Example OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 4-81 Peer with the exte rnal speaker in AS 100 using it s IPv4 address and an IPv6 forwarding inte rface (for IPv6 traffic) : -> ip interface Link_To_AS100 vlan 2 -> ip interface Link_To_AS100 addr ess 20.0.0.1/24 -& ...

  • Alcatel-Lucent 6850 - page 204

    Displaying IPv6 BGP Settings and Statistics Configuring BGP page 4-82 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Displaying IPv6 BGP Settings and Statistics Use the show comma nds listed in the fo llowing table to disp lay information about the current IPv6 BGP configurati on and on IPv6 BGP stat istics: For more ...

  • Alcatel-Lucent 6850 - page 205

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-1 5 Configuring Multicast Address Boundaries Multicast bound aries confine scop ed multicast add resses to a particu lar domain. Co nfining scoped addresses he lps to ensure that mu lticast traffic passed within a multi cast domain does no t conflict with multicast ...

  • Alcatel-Lucent 6850 - page 206

    Multicast Boundary Specifications Co nfiguring Multicast Address Boundaries page 5-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Multicast Boundar y Specifications Note. If software routi ng is used, the numb er of total flows supp orted is variab le, depending on the number of flows and t he number of route s per ...

  • Alcatel-Lucent 6850 - page 207

    Configuring Multicast Address Boundaries Quick St eps for Configuring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-3 3 Configure a multic ast address bound ary on the IP interface. Information must include the IP address assigned at step 2, as well as a scoped multicast address an ...

  • Alcatel-Lucent 6850 - page 208

    Multicast Address Boundaries Overview Configuring Multicast Address Boundaries page 5-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Multicast Address Boundaries Over view Multicast Addresses and the IANA The Internet Assigned Numbers Au thority (IANA) regulat es unique pa rameters for different types of network pro ...

  • Alcatel-Lucent 6850 - page 209

    Configuring Multicast Address Boundaries Multicast Address Boundaries Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-5 Multicast Address Boundaries Without multicast address boundaries, mult icast traf fic conflicts can occur be tween domains. For exam- ple, a multicast p acket addressed to 23 9.140.12 ...

  • Alcatel-Lucent 6850 - page 210

    Multicast Address Boundaries Overview Configuring Multicast Address Boundaries page 5-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Concurrent Multicast Addresses Because multicast boun daries confine scoped mult i cast addresses to a particular domain, multic ast addresses can be used concurrently in more than one ...

  • Alcatel-Lucent 6850 - page 211

    Configuring Multicast Address Boundaries Configuring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-7 Configuring Multicast Address Boundaries Because multicast address boundaries are part of the Advanced Routing software, the advanced routing image must be prese nt in an OmniSwitc ...

  • Alcatel-Lucent 6850 - page 212

    Verifying the Multicast Address Boundary Config uration Configuring Multicast Address Boundaries page 5-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying the Multicast Address Boundar y Configuration A summary of the sh ow commands used for verif ying the multicast address boundary configuratio n is given he ...

  • Alcatel-Lucent 6850 - page 213

    Configuring Multicast Address Bounda ries Application Example for Config uring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-9 4 You are now ready to creat e a boundary on the core switch’s rout er interface. For this exa mple, the broadest possible boundary , 239.0.0.0, will be ...

  • Alcatel-Lucent 6850 - page 214

    Application Example for Configurin g Multicast Address Boundaries Conf iguring Multicast Address Boundaries page 5-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 7 Create an IP in terface on VLAN 3. For example: -> ip interface vlan-3 address 178 .20.1.1 vlan 3 Note. The ip interface command is not supp orted in ...

  • Alcatel-Lucent 6850 - page 215

    Configuring Multicast Address Bounda ries Application Example for Config uring Multicast Address Boundaries OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 5-11 The figure below illu strates all configur ed multicast add ress boundaries for this network. Network with Multiple Mul ticast Addr esses Boundaries Inter ...

  • Alcatel-Lucent 6850 - page 216

    Application Example for Configurin g Multicast Address Boundaries Conf iguring Multicast Address Boundaries page 5-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 ...

  • Alcatel-Lucent 6850 - page 217

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-1 6 Configuring DVMRP This chapter inclu des descriptio ns for Distance Vector Multicast Rout ing Protocol (DVMRP). DVMRP is a dense-mode multicast routing prot ocol. DVMRP—which is essen tially a “broadcast and prune” routin g protocol—is desig ned to assi ...

  • Alcatel-Lucent 6850 - page 218

    DVMRP Specifications Configuring DVMR P page 6-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 DVMRP Specifications DVMRP Defaults The following ta ble lists the defa ults for DVMRP configurati on: RFCs Supported 2667—IP T unnel MIB IETF Internet-Drafts Supported Distance- V ector Multicast R outing Protoc ol MIB d ...

  • Alcatel-Lucent 6850 - page 219

    Configuring DVMRP Quick Steps for Configuring DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-3 Quick Steps for Configuring DVMRP Note. DVMRP requires that IP Multicast Switchi ng (IPM S) is enabled. IPMS is automatically enabled when a multicast routing prot ocol (either PIM-SM or DVMRP) is en abled globa ...

  • Alcatel-Lucent 6850 - page 220

    Quick Steps for Configuring DVMRP Configuring DVMRP page 6-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. Optional . To verify DVMRP interface status, enter the sho w ip dvmrp interface command. The display is similar to the one shown here: Address Vlan Metric Adm in-Status Oper-Status -----------------+------ ...

  • Alcatel-Lucent 6850 - page 221

    Configuring DVMRP DVMRP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-5 DVMRP Over view Distance Vector Mult icast Routing Protocol (DVMRP) Version 3 is a mu lticast routing pr otocol that enables routers to efficientl y propagate IP multicast tra ffic through a network. Multic ast traffic consists of ...

  • Alcatel-Lucent 6850 - page 222

    DVMRP Overview Configur ing DVMRP page 6-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Neighbor Discover y DVMRP routers must maintain a database of DVMR P adjacencies with other DV MRP routers. A DVMRP router must b e aware of it s DVMRP neig hbors on ea ch interface. To gath er this information, DVMRP routers use ...

  • Alcatel-Lucent 6850 - page 223

    Configuring DVMRP DVMRP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-7 Multicast Source Location, Rout e Repor t Messages, and Metrics When an IP multicast packet is received by a router runni ng DVMRP, it first looks up th e source network in the DVMRP routin g table. The inte rf ace that provide s ...

  • Alcatel-Lucent 6850 - page 224

    DVMRP Overview Configur ing DVMRP page 6-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Pruning Multicast T raffic Delivery Initially , all in terfaces w ith down stream-dependent neighbors are include d in the downstream inte rface list and multicast t raffic is floo ded down the trunc ated broadcas t tree to all p ...

  • Alcatel-Lucent 6850 - page 225

    Configuring DVMRP DVMRP Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6-9 DVMRP T unnels Because not all IP rou ters support native mu lticast routing, DVM RP includes direct sup port for tunnelin g IP multicast packet s through routers. Tunnel in terfac es are used when ro uters incapable of su pportin ...

  • Alcatel-Lucent 6850 - page 226

    Configuring DVMRP Co nfiguring D VMRP page 6-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring DVMRP Before configuring DVMRP, consider the fo llowing: • The advanced routing image must be present i n the switch’s curre nt running directo ry (i.e., Working or Certified) before DVMRP can be enabled or c ...

  • Alcatel-Lucent 6850 - page 227

    Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 11 Enabling DVMRP on a Specific Inter face Note. It does not matter wheth er DVMRP is first enabled glo bally or on specific in terfaces. However, DVMRP will not run on an interface until it is enabled both globally and on the ...

  • Alcatel-Lucent 6850 - page 228

    Configuring DVMRP Co nfiguring D VMRP page 6-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Viewing DVMRP Status and Para meters for a Spec ific Inter face To view current DVMRP in terfaces, including the ir operational status and a ssigned metrics, use the show ip dvmrp interfa ce command. For example: Note. The s ...

  • Alcatel-Lucent 6850 - page 229

    Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 13 Automatic Loading and Enabling of DVMRP Followin g a System Boot If any DVMRP command is sav ed to the boot.cfg file in the post -boot runnin g directory, DVMRP will be loaded into memo ry automatically. The post-boot runnin ...

  • Alcatel-Lucent 6850 - page 230

    Configuring DVMRP Co nfiguring D VMRP page 6-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Routes In DVMRP, source net work routing information is exch anged in the same basic mann er as it is in RIP. That is to say, periodic Route Re port messages are sent between DVMRP neighbors (by default, every 6 0 seconds). ...

  • Alcatel-Lucent 6850 - page 231

    Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 15 Pruning DVMRP uses a flood-and-prune mechanis m that starts by deliveri ng multicast traffic t o all routers in the network. This means that, initially, traffic is flooded down a multicast delive ry tree. DVMRP routers th en ...

  • Alcatel-Lucent 6850 - page 232

    Configuring DVMRP Co nfiguring D VMRP page 6-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 As an example, let’s say that the followi ng situation exist s on a branch rout er: ip dvmrp prune-lifet ime is set to 7200 seconds and three prunes for the pruned group ex ist on the router’s timer queue. These three pr ...

  • Alcatel-Lucent 6850 - page 233

    Configuring DVMRP Configur ing DVMRP OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 6- 17 Grafting A pruned branch will be automa tically reattached to th e multicast deliv ery tree wh en the prune times out. However, the graft mechanism provides a quicke r method to rea ttach a pruned branch than waiting for the ...

  • Alcatel-Lucent 6850 - page 234

    Verifying the DVMRP Configuration Configuring DVMRP page 6-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying the DVMRP Configuration A summary of th e show commands used for ver ifying the DVMRP con figuration is given here: For more information abou t the displays th at result from these commands, see th e ...

  • Alcatel-Lucent 6850 - page 235

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-1 7 Configuring PIM Protocol-Independent M ulticast (PIM) is an IP mult ic ast routing protocol that uses routing info rmation provided by unicast routing pr otocols such as RIP and OSPF. PI M is “protocol-independ ent” because it does not rely on any particula ...

  • Alcatel-Lucent 6850 - page 236

    In This Chapter Configuring PIM page 7-2 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 • Configuring Ca ndidate Rendezv ous Points (C-R Ps) in IPv6 PIM—see pa ge 7-38 . • Configuring Candidate Bootstrap Route rs (C-BSRs) in IPv6 PIM—see page 7-39 . • Configurin g RP-switchover for IPv6 PIM—see page 7-41 . ...

  • Alcatel-Lucent 6850 - page 237

    Configuring PIM PIM Specifications OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-3 PIM Specifications RFCs Supported 2362—Protocol Indep endent Multicast-Sparse M ode (PIM-SM) Protocol Specification 2934—Protocol Ind ependent Multicast M IB for Ipv4 2932—Ipv4 Multi cast Routing M IB 3973—Protocol Ind e ...

  • Alcatel-Lucent 6850 - page 238

    PIM Defaults Configuring PIM page 7-4 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 PIM Defaults The following ta ble lists the de faults for PIM configu ration: Parameter Description Comma nd Default V alue/Comments PIM status ip load pim Disabled PIM load status - sparse mode ip pim sparse status Disabled PIM load ...

  • Alcatel-Lucent 6850 - page 239

    Configuring PIM PIM Defaults OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-5 Neighbor loss notificati on interval ip pim neighbor-loss-notification- period 0 seconds Invalid register notifica tion inter- val ip pim invalid-regi ster-notification- period 65535 seconds RP mapping notifica tion interval ip pim rp ...

  • Alcatel-Lucent 6850 - page 240

    Quick Steps for Configuring PIM-DM Configuring PIM page 7-6 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Quick Steps for Configuring PIM-DM Note . PIM requires that IP Multicast Switc hing (IPMS) is ena bled. IPMS is aut omatically enabled whe n a multicast routing prot ocol (either PIM or DVM RP) is enabled globall ...

  • Alcatel-Lucent 6850 - page 241

    Configuring PIM Quick Steps for Configuring PIM-DM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-7 6 Save your changes to the Working direct ory’s boot.cfg file by entering the fo llowing comman d: -> write memory Note. Optional . To verify PIM interface status, enter the sho w ip pim interface command. T ...

  • Alcatel-Lucent 6850 - page 242

    PIM Overvi ew Configuring PIM page 7-8 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 PIM Over view Protocol-Independent M ulticast (PIM) is an IP mult ic ast routing protocol that uses routing info rmation provided by unicast routing pr otocols such as RIP and OSPF . Note that PIM is not depen dent on any particular ...

  • Alcatel-Lucent 6850 - page 243

    Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7-9 Bootstrap Routers (BSRs) The role of a Bootstrap Router (BSR) is to keep routers in the network u p to date on reachable C-RPs. The BSR’s list of reachable C-RPs is also referred to as an RP set . There is only one BSR per PIM domai ...

  • Alcatel-Lucent 6850 - page 244

    PIM Overvi ew Configuring PIM page 7-10 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. The Join message is known as a (*,G) join because it jo ins group G for all sources to that grou p. Note. Depending on the network configuration, mult iple routers may exist between the receiver’s DR and the RP router. In th ...

  • Alcatel-Lucent 6850 - page 245

    Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 11 Sender 1 sends multicast data to its Designate d Router (DR). The source DR th en unicast-en capsulates the data into PIM- SM Register message s and sends them on to the RP. Once the distribution t ree for group G is lear ned at the ...

  • Alcatel-Lucent 6850 - page 246

    PIM Overvi ew Configuring PIM page 7-12 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 A voiding Register Encapsulation Switching to a Shortest Path Tree (SPT) topology al lows PIM routers to av oid Register encapsulation of data packets that occurs in an RPT. Reg ister encapsulation is ine fficient for the following ...

  • Alcatel-Lucent 6850 - page 247

    Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 13 RP Initiation of (S, G) Source-Specific Join Message When the data rate at the Rendezvous Point (RP) exc eeds the configured RP thre shold value, the RP will initiate a (S, G) source-specific Join message toward the source. Note. To ...

  • Alcatel-Lucent 6850 - page 248

    PIM Overvi ew Configuring PIM page 7-14 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 When the Sender’s DR receives t he (S,G) Join, it se nds data nativel y as well. When these data packets arrive natively at the RP, the R P will be receiving two copies of each of these packets—one natively and one encapsulated. ...

  • Alcatel-Lucent 6850 - page 249

    Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 15 SPT Switchover The last hop Desi gnated Router (DR) in itiates the swi tchover to a true Sho rtest Path Tree (SPT) once the DR receives the first multicast data pac ket. This meth od does not use an y preconfigu red thresholds, such ...

  • Alcatel-Lucent 6850 - page 250

    PIM Overvi ew Configuring PIM page 7-16 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Once the Sender’s DR receives the (S,G) Join messag e, the DR send s the multicas t packets na tively along the Shortest Path T ree. At this point, Ro uter X (the router sh own between the Sender’s DR and the Receiver’s DR) wi ...

  • Alcatel-Lucent 6850 - page 251

    Configuring PIM PIM Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 17 The Receiver is n ow receiving multica st traffic along the Sh ortest Path Tree betwee n the Receiver a nd the Source. Sender Receiver RP DR DR ...

  • Alcatel-Lucent 6850 - page 252

    Configuring PIM Configuring PIM page 7-18 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Configuring PIM Enabling PIM on the Switch By default, PIM protocol is disabl ed on a swit ch. Before running PIM, you must enable th e protocol by completing the fo llowing steps: • Verifying the software • Loading PIM into m ...

  • Alcatel-Lucent 6850 - page 253

    Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 19 Note. The output on OmniSwitch 9000 switches i s similar. Loading PIM into Memor y You must load PIM in to memory before you can begi n configurin g the protocol on the swi tch. If PIM is not loaded and you enter a configura tion ...

  • Alcatel-Lucent 6850 - page 254

    Configuring PIM Configuring PIM page 7-20 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Checking the Current IPMS Status To view the current status of IPMS o n the switch, use th e show ip multicast command. For exampl e: -> show ip multicast Status: Enabled Querying: Disabled Proxying: Disabled Spoofing: Disabled ...

  • Alcatel-Lucent 6850 - page 255

    Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 21 Viewing PIM Status and Param eters for a Specific Inter face To view the current PIM interface information—which includ es IP addresses for PIM -enabled interfaces, Hello and Join/Pru ne intervals, an d current operationa l sta ...

  • Alcatel-Lucent 6850 - page 256

    Configuring PIM Configuring PIM page 7-22 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> show ip pim sparse Status = enabl ed, Keepalive Period = 210, Max RPs = 32, Probe Time = 5, Register Checksum = heade r, Register Suppress Timeout = 60, RP Threshold = 1, SPT Status = ena bled, -> show ip pim dense Status ...

  • Alcatel-Lucent 6850 - page 257

    Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 23 You can also spe cify whether o r not this static configuration ove rrides the dyn amically learned group mapping informatio n for the specified gro up using the override parameter. As specifying the p riority value obsoletes the ...

  • Alcatel-Lucent 6850 - page 258

    Configuring PIM Configuring PIM page 7-24 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 PIM Bootstrap and RP Discover y Before configurin g PIM-SM parameters, please consider the following important guidelin es. For correct operation, every PIM-SM router wi thin a PIM-SM domain must be able to map a particula r multi ...

  • Alcatel-Lucent 6850 - page 259

    Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 25 The group add ress is listed as 224.0. 0.0. The class D group mask (255.2 55.255.255) has been translated into the Classless Inter-Domain Rou ting (CIDR) prefix leng th of /4. The C-RP is listed as 172.21.63.11. The status is ena ...

  • Alcatel-Lucent 6850 - page 260

    Configuring PIM Configuring PIM page 7-26 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 This command specifies the router to use its l ocal address 50.1.1 .1 for advertisin g it as the can didate-BSR for that doma in, the prio rity value of the local rout er as a C-BSR t o be 100, and the ma sk-length th at is advert ...

  • Alcatel-Lucent 6850 - page 261

    Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 27 Note. The list of reachable C-RPs is also referred to as a n RP set . To view the current RP set, use the show ip pim group-map command. For example: -> show ip pim group-map Origin Group Address/Pref Lengt h RP Address Mode P ...

  • Alcatel-Lucent 6850 - page 262

    Configuring PIM Configuring PIM page 7-28 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Group Address/Pref Length RP Add ress Mode Override Precedence Status ---------------------------+------ -------+-----+--------+----------+------- - 224.0.0.0/4 172.21 .63.11 asm false none enabled Group-to-RP Mapping Using one of ...

  • Alcatel-Lucent 6850 - page 263

    Configuring PIM Configuring PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 29 RP Switchover = enabl ed, SPT Status = ena bled, You can al so use th e show ip pim dense , show ipv6 pim sparse , and show ipv6 pim dense commands to view the configured keepalive period. Configuring Notification Period The swit ...

  • Alcatel-Lucent 6850 - page 264

    Configuring PIM Configuring PIM page 7-30 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Msgs Rcvd = 0 Origin = None Group = None RP = None Invalid Join Prune Notifications Period = 65535 Msgs Rcvd = 0 Origin = None Group = None RP = None RP Mapping Notifications Period = 65535 Count = 0 Interface Election Notificatio ...

  • Alcatel-Lucent 6850 - page 265

    Configuring PIM PIM-SSM Support OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 31 PIM-SSM Suppor t Protocol-Independent M ulticast Source -Sp ecific Multicast (PIM-SSM ) is a highly-e fficient extension o f PIM. SSM, using an explicit channel subscription mo del, allows receive rs to receive mul ticast traffic ...

  • Alcatel-Lucent 6850 - page 266

    Verifying PIM Configuration Configuring PIM page 7-32 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying PIM Configuration A summary of the show commands u sed for verify ing PIM configurat ion is given h ere: For more information abou t the displays th at result from these commands, see th e OmniSwitch CLI Com ...

  • Alcatel-Lucent 6850 - page 267

    Configuring PIM PIM for IPv6 Overview OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 33 PIM for IPv6 Over view IP version 6 (IPv6) is a new versio n of the Interne t Protocol, designed as the successor to IP version 4 (IPv4), to overcome certain limitati on s in IPv4. IPv 6 adds significa nt extra features tha ...

  • Alcatel-Lucent 6850 - page 268

    Quick Steps for Configuring IPv6 PIM-DM Configuring PIM page 7-34 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 Note. The IPv6 interface on whic h the PI M is enabled must be an already configured IPv6 interface on the switch 4 Map the IPv6 PIM-De nse Mode (DM) protocol for a mult icast group via the ipv6 pim dense g ...

  • Alcatel-Lucent 6850 - page 269

    Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 35 Configuring IPv6 PIM This section describ es PIM for IPv6 configuration, which includes enabling/disabling IPv6 PIM on a specific interface, Enabling/disabli ng IPv6 PIM mode on the Switch, IPv6 PIM Boot strap and RP Discov- ...

  • Alcatel-Lucent 6850 - page 270

    Configuring IPv6 PIM Configuring PIM page 7-36 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 -> ipv6 pim dense status enable Disabling IPv6 PIM Mode on the Switch To globally disable IPv6 PIM-Sp arse Mode on the switc h, use the ipv6 pim sparse status command. Enter the comm and syntax as sh own below: -> ipv6 ...

  • Alcatel-Lucent 6850 - page 271

    Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 37 value obsoletes the override option, you can use either the priority or override parameter only. By default, the priority option is not set, and the override option is set to false. Use the no form of this co mmand to remove ...

  • Alcatel-Lucent 6850 - page 272

    Configuring IPv6 PIM Configuring PIM page 7-38 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 IPv6 PIM Bootstrap and RP Discover y Before configurin g IPv6 PIM-SM parameters , pleas e consider the followin g important guidelines. For correct operation, every IPv6 PIM-SM router with in an IPv6 PIM-SM doma in must be ab ...

  • Alcatel-Lucent 6850 - page 273

    Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 39 -> show ipv6 pim candidate-rp RP Address Group Address Priority Interval Status ------------------+--------------- +---------+---------+-------- 3000::11 FF00::/8 192 60 enabled The group addr ess is listed as FF 00::/8. ...

  • Alcatel-Lucent 6850 - page 274

    Configuring IPv6 PIM Configuring PIM page 7-40 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 disabled . For more information on static RP status and configuration, refer to “Configuring Static RP Groups” below. A C-RP periodically sends out messages, known as C-RP advert isements . When a BSR receives one of thes ...

  • Alcatel-Lucent 6850 - page 275

    Configuring PIM Configuring IPv6 PIM OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 41 Note. If static RP status is specifie d, the method for g roup-to-RP mappin g provided by the Bootstrap mechanism an d C-RP advert isements is automatically disabled . For more informatio n on this alternat e method of gr ou ...

  • Alcatel-Lucent 6850 - page 276

    IPv6 PIM-SSM Support Configuring PIM page 7-42 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 V erifying RP-Switchover To view the stat us of the RP-switchover c apability, use the show ipv6 pim sparse command. -> show ipv6 pim sparse Status = enabl ed, Keepalive Period = 210, Max RPs = 32, Probe Time = 5, Register ...

  • Alcatel-Lucent 6850 - page 277

    Configuring PIM Verifying IP v6 PIM Configuration OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page 7- 43 V erifying IPv6 PIM Configuration A summary of the show commands u sed for verifyin g PIM configurat ion is given here: For more information abou t the displays that result fro m these command s, see the OmniSwi ...

  • Alcatel-Lucent 6850 - page 278

    Verifying IPv6 PIM Configuration Configuring PIM page 7-44 OmniSwitch 6800/6850/9000 Advanced Routing Confi guration Guide December 2007 ...

  • Alcatel-Lucent 6850 - page 279

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -1 A Software License and Copyright Statements This appendix co ntains Alcatel-Luc ent and third-pa rty software vendo r license and cop yright statements. Alcatel-Lucent License Agreement ALCA TEL-LUCENT SOF TW ARE LICENSE AGREEMENT IMPORTANT . Please re ad the term ...

  • Alcatel-Lucent 6850 - page 280

    Alcatel-Lucent License Agreement page -2 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 3. Confidentiality. Alcatel-Lucent considers the Licensed Files to contain valuable trade secrets of Alca- tel-Lucent, the un authorized disclo sure of which co uld cause irreparable harm to Alcatel-Lucent . Except as expressly se ...

  • Alcatel-Lucent 6850 - page 281

    Alcatel-Lucent License Agreement OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -3 10. Governing Law. This License Agreement shall be constr ued and governed in accordance with the laws of the Sta te of Califo rnia. 11. Severabil ity. Should any term of this Licen se Agreement be declared void or unenforceable by ...

  • Alcatel-Lucent 6850 - page 282

    Third Party Licenses and Notices page -4 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 Third Par ty Licenses and Notices The licenses and notices related only to su ch third party software are set forth below: A. Booting and Debugging Non-Pr oprietary Software A small, separate software portion aggregated with the co ...

  • Alcatel-Lucent 6850 - page 283

    Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -5 C. Linux Linux is wri tten and distribut ed under the G NU General Public License which me ans that its source code is freely- distrib uted and ava ilable to the gener al public. D. GNU GENERAL PUBLIC LICENSE: V ersion 2, June 1991 ...

  • Alcatel-Lucent 6850 - page 284

    Third Party Licenses and Notices page -6 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 verbatim or with mod ifications and/or tra nslated into an other languag e. (Hereinafter, translatio n is included wi thout limitation in the term “modifi cation”.) Each li censee is addressed as “you”. Activities othe r th ...

  • Alcatel-Lucent 6850 - page 285

    Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -7 b Accompany it wi th a written offe r, valid for at lea st three years, to giv e any third party, for a charge no more than your cost of physi cally performing source distri bution, a complete machine-readable copy of the correspo ...

  • Alcatel-Lucent 6850 - page 286

    Third Party Licenses and Notices page -8 OmniSwitch 6800/6850/9000 Advanced Routing Configurati on Guide December 2007 consistent application of that system; it is up to the aut hor/donor to de cide if he or sh e is willing to d istrib- ute software throug h any other syste m an d a licensee cannot impose that choi ce. This section is int ended to ...

  • Alcatel-Lucent 6850 - page 287

    Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -9 Appendix: How to Apply These T erms to Y our New Programs If you develop a new program, and you wan t it to be of the grea test possible use to the public, the be st way to achieve this is to make it free software which everyone c ...

  • Alcatel-Lucent 6850 - page 288

    Third Party Licenses and Notices page -10 Omni Switch 6800/6850/900 0 Advanced Routing Configuration Guide December 2007 Material copyright Li nux Online Inc. Design and compilation copyright (c)1994-2 002 Linux Online Inc. Linux is a regist ered trad emark of Linus Torvalds Tux the Penguin, featured in our logo, was creat ed by Larry Ewing Consult ...

  • Alcatel-Lucent 6850 - page 289

    Third Party Licenses and Notices OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -11 H. Apptitude, Inc. Provided with th is product is certain network monitori ng software (“MeterWorks/RM ON”) licensed from Apptitude, Inc., wh ose copyright notice is as follo ws: Copyright (C) 1 997-1999 by Apptit ude, Inc. Al ...

  • Alcatel-Lucent 6850 - page 290

    Third Party Licenses and Notices page -12 Omni Switch 6800/6850/900 0 Advanced Routing Configuration Guide December 2007 L. Wind River Systems, Inc. Provided with th is product is certain software (“ Run-Time Module”) licensed from Wi nd River Systems, Inc. Licensee is prohibited from: (i) copying the Ru n-Time Module, except for archive purpos ...

  • Alcatel-Lucent 6850 - page 291

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 Index-1 Index A aggregate routes BGP 4-32 application exa mples BGP 4-4, 4-60 BGP IPv6 4-66 DVMRP 6-3 IS-IS 3-5, 3-32 multicast address boundaries 5-2, 5-8 OSPF 1-4, 1-34, 2-4, 2-25 area border routers 1-8, 1-9, 2-9, 2-10 areas 1-8, 2-9 assigning interfaces 1-20 backbones ...

  • Alcatel-Lucent 6850 - page 292

    page -2 OmniSwitch 6800/6850/9000 Ad vanced Routing Configu ration Guide December 2007 enabling 6-10 graft acknowledgment messages 6-8 graft messages 6-8 grafting 6-8, 6-17 hop count 6-7 IGMP 6-5 interface metric 6-7 loading 6-10 metrics 6-7 multicast source location 6-7 neighbor communications 6-13 neighbor discovery 6-6 overview 6-5 poison revers ...

  • Alcatel-Lucent 6850 - page 293

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -3 ip ospf area command 1-17, 2-15, 3-16 ip ospf area summary command 1-18 ip ospf area type comman d 1-17, 2-15 ip ospf exit-overflow-interval command 1-30 ip ospf extlsdb-limi t command 1-30 ip ospf host command 1-30, 2-24 ip ospf interface area command 1-20 ip osp ...

  • Alcatel-Lucent 6850 - page 294

    page -4 OmniSwitch 6800/6850/9000 Ad vanced Routing Configu ration Guide December 2007 NBMA routing 1-12 overview 1-7, 2-8 preparing the network 1-16, 2-14 redistribution policies 1-23 routers 1-9, 2-10 simple authe ntication 1-21 specifications 1-2, 2-2 stub areas 1-10, 2-11 verify configuration 1-39, 2-30, 3-34 virtual links 1-9, 1-22, 2-10, 2-17 ...

  • Alcatel-Lucent 6850 - page 295

    OmniSwitch 6800/6850/9000 Advanced Routing Conf iguration Guide December 2007 page -5 show ip ospf area stub command 1-18, 2-16 show ip ospf interface command 1-20, 2-16 show ip pim group-map command 7-27 show ip pim sparse command 7-21 show ip redist command 4-63 show ipv6 bgp neighbors command 4-82 show ipv6 bgp neighbors timers command 4-82 show ...

  • Alcatel-Lucent 6850 - page 296

    page -6 OmniSwitch 6800/6850/9000 Ad vanced Routing Configu ration Guide December 2007 ...

Производитель Alcatel-Lucent Категория Switch

Документы, которые мы получаем от производителя устройства Alcatel-Lucent 6850 мы можем разделить на несколько групп. Это в частности:
- технические чертежи Alcatel-Lucent
- инструкции обслуживания 6850
- паспорта изделия Alcatel-Lucent
- информационные брошюры
- энергетические этикетки Alcatel-Lucent 6850
Все из них важны, однако самую важную информацию с точки зрения пользователя мы найдем в инструкции обслуживания Alcatel-Lucent 6850.

Группа документов, определяемая как инструкции обслуживания, делится также на более подробные типы, такие как: Инструкции монтажа Alcatel-Lucent 6850, инструкции обслуживания, короткие инструкции или инструкции пользователя Alcatel-Lucent 6850. В зависимости от потребностей, Вам необходимо поискать требуемый документ. На нашем сайте Вы можете просмотреть самую популярную инструкцию использования изделия Alcatel-Lucent 6850.

Похожие инструкции обслуживания

Полная инструкция обслуживания устройства Alcatel-Lucent 6850, как должна выглядеть?
Инструкция обслуживания, определяемая также как пособие пользователя, или просто "руководство" - это технический документ, цель которого заключается в использовании Alcatel-Lucent 6850 пользователями. Инструкции пишет, как правило технический писатель, языком, доступным для всех пользователей Alcatel-Lucent 6850.

Полная инструкция обслуживания Alcatel-Lucent, должна заключать несколько основных элементов. Часть из них менее важная, как например: обложка / титульный лист или авторские страницы. Однако остальная часть, должна дать нам важную с точки зрения пользователя информацию.

1. Вступление и рекомендации, как пользоваться инструкцией Alcatel-Lucent 6850 - В начале каждой инструкции, необходимо найти указания, как пользоваться данным пособием. Здесь должна находится информация, касающаяся местонахождения содержания Alcatel-Lucent 6850, FAQ и самых распространенных проблем - то есть мест, которые чаще всего ищут пользователи в каждой инструкции обслуживания
2. Содержание - индекс всех советов, касающихся Alcatel-Lucent 6850, которое найдем в данном документе
3. Советы по использованию основных функций устройства Alcatel-Lucent 6850 - которые должны облегчить нам первые шаги во время использования Alcatel-Lucent 6850
4. Troubleshooting - систематизированный ряд действия, который поможет нам диагностировать а в дальнейшем очередность решения важнейших проблем Alcatel-Lucent 6850
5. FAQ - чаще всего задаваемые вопросы
6. Контактные данные Информация о том, где искать контактные данные производителя / сервисного центра Alcatel-Lucent 6850 в данной стране, если самостоятельно не получится решить проблему.

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Если с помощью найденной инструкции Вы не решили свою проблему с Alcatel-Lucent 6850, задайте вопрос, заполнив следующий формуляр. Если у какого то из пользователей была похожая проблема с Alcatel-Lucent 6850 со всей вероятностью он захочет поделиться методом ее решения.

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