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Manual de instrucciones Enterasys Networks VH-8G

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Summary
  • Enterasys Networks VH-8G - page 1

    9033640 V ERTICAL HORIZON VH-8G GIGABIT ETHERNET SWITCH MAN AGEM ENT G UID E ...

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    ...

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    Notice 9033640 i NOTICE Enterasys Networ ks reserves the right to make c hanges in specificatio ns and other informa tion contai ned in this docum ent wit hout prior noti ce. The reade r should in all ca ses consult Ent erasys Networks to d etermine w hether any such changes have been ma de. The hardw are, firmware, or software describe d in this m ...

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    Notice ii 9033640 ...

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    9033640 Table of Content s iii TABLE OF CONTENTS 1. MANAGEMENT OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Configura tion Opti ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Required Connect ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    iv Ta ble o f Cont ents VH-8G Display ing the IP M ulticast Reg istration Table . . . . . . . . . . . . . . . 61 Configuri ng Stati c Unicast Add resses . . . . . . . . . . . . . . . . . . . . . . 62 Resettin g the Syste m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Logging Off the Sy stem . . . . . . . . . . . . ...

  • Enterasys Networks VH-8G - page 7

    9033640 Table of Conte nts v APPENDIX B. VIRTUAL LANS (VLANS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 VLANs and Frame T agging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 VH-8G VLAN Con figuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Assigni ng Ports to VLANs . . . . . . ...

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    vi Ta ble o f Cont ents VH-8G ...

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    9033640 Manage ment O verview 1 1. MANAGEMENT OVERVIEW Configuration Options For a dvanc ed ma nagem ent capa bilit y, th e En tera sys Ne twork s’ V erti cal Horizo n VH-8G provides a menu-dri ven s ystem con figurati on prog ram. This pro gram can be ac cessed b y a direc t connec tion to the seria l port o n the switc h’s rear p anel (o ut-o ...

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    2 Management Over view VH-8G In-Band Connections Prior to ac cessin g the s witch via a netwo rk connec tion, you must first configu re it w ith a va lid IP a ddress, s ubnet mas k, and d efault g ateway usin g an ou t-of -ban d co nnect ion or the Boot P pro toco l. Telnet Conne ction Prior to acc essing the switch v ia an in-band Telnet c onnecti ...

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    9033640 VH-8G Us er Inte rface 3 2. VH-8G USER INTERFACE Over view Access is gain ed to the cons ole men us by direct ly connec ting a termin al to the c onsol e port wi th a null-m odem ca ble co nnect ion, or us ing Tel net to acce ss th e switch o ver the network . These menus a llow yo u to reconfig ure the swi tch, as well as to mo nitor the s ...

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    4 VH-8G User Int erface VH-8G User Ac cess Once a direct c onnection to the console port or a Telnet connec tion is establi shed, the login screen fo r the on -board con figurat ion program appears . You may ne ed to pre ss Enter a fe w times to di splay the scree n. The defaul t user name s are “admin” and “guest,” with no password s. The ...

  • Enterasys Networks VH-8G - page 13

    9033640 VH-8G Us er Inte rface 5 Factory Defaults Table 2-1 list s the d efault se ttings for switch config uration paramete rs. Each para meter can be ch anged via th e consol e menus or Teln et. Table 2-1 . Facto ry Default Setting s Parameter Default Value Multicast Filtering GMRP Disabled IGMP Multicast Filtering Disabled Port Configuration Flo ...

  • Enterasys Networks VH-8G - page 14

    6 VH-8G User Int erface VH-8G Virtual LANs Acceptable VLA N Frame Type All Configurable PVID Tagging Yes GVRP Disabled Untagged VLAN Group Assignment 1 VLAN Ingress Filtering False VLAN Learning SVL Parameter Default Value ...

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    9033640 VH-8G Us er Inte rface 7 Main Menu The Main Menu i s the first s creen seen after succ essfu lly loggi ng into t he system . Figure 2 -2 sho ws the Mai n Menu an d the a ccompan ying tabl e desc ribe s the Ma in Men u. Figure 2-2. M ain Menu V ertical Hor izon Loca l Mana gement -- VH-8 G Main M enu System Info rmatio n Menu... Manage ment ...

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    8 VH-8G User Int erface VH-8G Device Control Menu Port Configuration Enables any port, enables/disables flow control, and sets communication m ode to auto-negotiation, full duplex or half duplex. Port Information Displays operational status, including link state , flow control method, and dup lex mode. Spanning Tree Configuration Enables Spanning T ...

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    9033640 VH-8G Us er Inte rface 9 System Informa tion Menu Use th e System Informatio n Men u to disp lay a bas ic de scription of the switch, includin g cont act inform ation, and hardw are/firmwa re version s. Figure 2 -3. Sys tem Inform ation Menu IP Multi cast Registration Table Displays all the multicast groups active on this switch, including ...

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    10 VH-8 G User Inter face VH-8G Displaying System In formation Use th e System Informatio n screen to displa y des criptive informati on about th e switc h, or for quick s ystem id entifi cation as shown in the follow ing figure and ta ble. Figu re 2- 4. Sys tem In fo rmat ion V ertical Hor izon Loca l Mana gement -- VH-8 G Syst em In fo rmati on S ...

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    9033640 VH-8G Use r Interface 11 Displaying Switch Version Use t he Switch I nforma tion screen to dis play ha rdware/fir mware vers ion numbers for the sw itch , as well a s the power st atus o f the sys tem. Figure 2-5 . Switch Info rmation V ertical Hor izon Loca l Mana gement -- VH-8 G Switch Infor mation Main Bo ard Hardware V ersion : V0.0 (8 ...

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    12 VH-8 G User Inter face VH-8G Management Setup Menu After init ially logging o nto the system , adju st the com munica tion paramet ers for you r cons ole to ens ure a r eliable c onnectio n (Serial Port Configura tion). Sp ecify the IP addresses for the switch (Netwo rk Config uration / IP Config uration ), and t hen set t he Admini strator and ...

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    9033640 VH-8G Use r Interface 13 Changing the Network Configuration Use t he Network Confi guration m enu t o set the bootu p option, configure the sw itch’s Inte rnet Protoc ol (I P) parame ters, ena ble the on-bo ard W eb server, or to set th e numb er of conc urrent T elnet ses sions a llowed. The screen shown b elow is describ ed in t he foll ...

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    14 VH-8 G User Inter face VH-8G IP Configuration Use the IP Configu ration scre en to se t the bootup o ption, o r config ure the switch’ s IP para meters. Th e screen shown below is desc ribed in the follow ing table . Figure 2-8. IP Config uration V ertical Hor izon Loca l Mana gement -- VH-8 G Network Configur ation: IP C onfigur ation Inte rf ...

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    9033640 VH-8G Use r Interface 15 IP Connectivity Te st (Ping) Use the IP Conn ectivity Test to see if another si te on the Inte rnet can be reached . The s creen sho wn belo w is de scribed i n the f ollowin g table. Figure 2-9. IP Con nectivity Te st V ertical Hor izon Loca l Mana gement -- VH-8 G Network Con figuration: IP Connec tivity T est (Pi ...

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    16 VH-8 G User Inter face VH-8G HTTP Configuration Use the HTT P Config uration screen to e nable/di sable the on-b oard Web server, and to spe cify the TCP port th at will provid e HTTP se rvice. Th e screen shown b elow is describ ed in t he foll owing ta ble. Figure 2-10. HTTP Configu ration V ertical Hor izon Loca l Mana gement -- VH-8 G Networ ...

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    9033640 VH-8G Use r Interface 17 Configuring th e Serial Po rt You can ac cess the on-board configu ration pr ogram by att aching a VT1 00 compat ible dev ice to the switch ’s seria l port. (F or more in formation on connec ting to thi s port, see “Re quired C onnection s” on page 1.) The comm unica tio n par amete rs for this por t can b e a ...

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    18 VH-8 G User Inter face VH-8G Assign ing SNMP Para mete rs Use the SNMP Configura tion scree n to displ ay and modify pa ramete rs for the Simpl e Networ k Managem ent Protoco l (SNMP). The s witch incl udes an SNMP a gent which m onitors the s tatus of its hardware, as w ell as the traffic p assing t hrough its po rts. A comp uter att ached to t ...

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    9033640 VH-8G Use r Interface 19 Configuring Com munity Names The f ollowin g figure an d tabl e describ e how to confi gure the commun ity strings authorize d for mana gemen t acces s. Up to 5 c ommunit y nam es may be entered. Figure 2-13. SNMP Comm unities V ertical Hor izon Loca l Mana gement -- VH-8 G SNMP Configuration : SNMP Commu nities Com ...

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    20 VH-8 G User Inter face VH-8G Configuring IP T rap Man agers The f ollowin g figure an d tabl e desc ribe how to spec ify ma nagemen t station s that will receive auth entic ation fail ure message s or other trap messa ges from t he swit ch. U p to 5 trap manag ers may be ente red. Figure 2-14 . IP Trap Manage rs V ertical Hor izon Loca l Mana ge ...

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    9033640 VH-8G Use r Interface 21 Console Login Configuration Use the M anage ment Setup : Conso le Login C onfigura tion to restrict manage ment a ccess based on specif ied us er names and passwor ds, or to set the invalid passwo rd thresh old and timeout. The re are only two user types d efined , ADMIN (Adm inistr ator) and GU EST, bu t you can se ...

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    22 VH-8 G User Inter face VH-8G Download ing System S oftware Using TFTP Proto col to Downlo ad Over the Netw ork Use the TFTP Downl oad menu to lo ad software updat es into t he swi tch. The dow nload fil e should be an VH-8 G file from Entera sys; otherwise th e switch will not accept it. Th e succ ess of the do wnload o peratio n depend s on the ...

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    9033640 VH-8G Use r Interface 23 Saving t he System Configurat ion Use th e Configura tion Sav e & Res tore menu to save th e switc h configu ration settin gs to a fil e on a TFT P serve r. The fi le ca n be later downl oaded to t he switch to res tore the switch’ s settings . The succ ess of the opera tion d epends on the ac cessib ility of ...

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    24 VH-8 G User Inter face VH-8G Configuring Management Access Use th e Manage ment Co nfigurat ion menu to def ine whi ch VLAN has manage ment acc ess to the switch. Paramete rs shown on this scre en are indica ted in the followi ng figure and tabl e. Figure 2-18. Managem ent Configuration V ertical Hor izon Loca l Mana gement -- VH-8 G Manag ement ...

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    9033640 VH-8G Use r Interface 25 Configuring the Switch The De vice C ontrol men u is u sed to co ntrol a broad rang e of fun ction s, includ ing port c onfigu ration, Span ning T ree suppor t for redu ndant switche s, port mirrori ng, multic ast filteri ng, and Virtual LANs. Eac h of the setup sc reens prov ided b y these co nfigura tion me nus is ...

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    26 VH-8 G User Inter face VH-8G 802.1Q VLAN Base Inf ormation Displays basic VLAN informa tion, such as VLAN version number and maximum VLANs suppor ted. 802.1Q VLAN Current Table Info rma tion Displays VLAN groups and port members. 802.1Q VLAN Static Table Configuration Configures VLAN gro ups via static assignments, including setting port members ...

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    9033640 VH-8G Use r Interface 27 Configuring P ort Paramet ers Use th e Port Con figurat ion menu s to s et or di splay co mmunic ation paramete rs for any port on the switch. Figure 2-20. Port Configura tion V ertical Hor izon Loca l Mana gement -- VH-8 G Port Configuration : Por t 1 - 8 Flow Co ntrol o n all ports : [Ena ble] [Disa ble] Port T yp ...

  • Enterasys Networks VH-8G - page 36

    Viewing the Current Port Configuration The Port In formation s creen displays th e port type , statu s, link state , and flow c ontrol in use , as we ll as th e com munica tion spe ed and dupl ex mode . To chan ge any of the por t setti ngs, use the Port Co nfigura tion men u. . Figure 2-2 1. Port Informatio n V ertical Hor izon Loca l Mana gement ...

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    9033640 VH-8G Use r Interface 29 Using the Spanning Tree Algorit hm The Spann ing Tre e Algorithm can be us ed to d etect and d isable n etwork loops, a nd to p rovide backup l inks between switch es, bridge s or rou ters. This al lows th e switch to intera ct with other bridg ing devic es (that i s, an STA-compl iant sw itch, brid ge or ro uter) i ...

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    30 VH-8 G User Inter face VH-8G Parameter D efault Description Spanning Tree Protocol Enabled Enable this parameter t o participate in an S TA compliant network. Priority 32,768 Device priority is used i n selecting the root device, root port, and designated port. The dev ice with the highest priority becomes the STA root device. However, if all de ...

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    9033640 VH-8G Use r Interface 31 Configuring STA fo r Ports The foll owing fi gure an d table de scrib e STA co nfiguratio n for po rts. Figure 2-24. Spann ing Tree Port Config uration V ertical Hor izon Loca l Mana gement -- VH-8 G Fast fo rwarding mode of all ports : [ Enable ] [Disab le] Spanning Tree Port Conf igurati on : Po rt 1 - 8 Port T yp ...

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    32 VH-8 G User Inter face VH-8G Viewing the Current Spanning Tre e Configuration The Spann ing Tre e Informat ion scree n dis plays a s ummary of the S TA infor mation for the ov erall brid ge or fo r a spe cific po rt. To make any change s to the pa rameters fo r the Span ning Tree, us e the Spa nning Tree Config uration m enu. Figure 2-25. Spanni ...

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    9033640 VH-8G Use r Interface 33 Disp layi ng the Cur ren t Bri dge STA The param eters shown i n the foll owing fi gure a nd tabl e describ e the current Bri dge STA Info rmation. Figure 2-2 6. Bridge STA Info rmation V ertical Hor izon Loca l Mana gement -- VH-8 G Spanning Tree Infor mation : B ridge ST A Inform ation Priori ty : 327 68 Hello Tim ...

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    34 VH-8 G User Inter face VH-8G Disp layi ng th e Cur rent STA for Po rts The param eters sh own in t he foll owing fi gure and t able a re for port STA Informat ion. Figure 2-27. Spannin g Tree Port Informa tion V ertical Hor izon Loca l Mana gement -- VH-8 G Spanning Tree Port In formation : Port 1 - 8 Port T ype Status Design ated Designated Des ...

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    9033640 VH-8G Use r Interface 35 The rules defining port status are: • A port on a network seg ment with no other S TA-compliant bridging device is always forwarding. • If two ports of a switch are connected to t he same segm ent and there is no other STA device attached to this segment, the port with the smaller ID forwards packets and the oth ...

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    36 VH-8 G User Inter face VH-8G Using a Mirror Port for Analy sis You can mirror tr affic fr om any sourc e port to a tar get port for real-tim e analys is. You c an then attach a logic analyze r or RMO N probe t o the target po rt and s tudy t he traffic crossing the s ource port in a co mpletely unobtrus ive man ner. Whe n mirroring port traf fic ...

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    9033640 VH-8G Use r Interface 37 Configuring P ort Trunks Port trunk s can be used t o increas e the band width of a netwo rk connec tion or to ensure fault recovery . You can confi gure up to four trunk connec tions (co mbining 2 ~4 ports into a fat pipe) b etween an y two VH-8G switche s. How ever, befo re making any p hysical c onnection s betw ...

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    38 VH-8 G User Inter face VH-8G You can use the Port Trunking C onfigur ation scre en set up port trunk s as shown below: Figure 2-29. Port Trunking Configuration V ertical Hor izon Loca l Mana gement -- VH-8 G Port Trunking C onfig uration Trunk ID S tatus M ember List 1 2 3 4 ------ ----- -- ---- ----- ---- --- ----- -------- ---- ------- ----- - ...

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    9033640 VH-8G Use r Interface 39 IGMP Multicast Filter ing Multic asting is used to suppo rt real-ti me appli catio ns su ch as vi deo conferen cing or strea ming audio. A multicast serve r does not have to establi sh a separa te conn ection w ith each c lient. It merely broa dcasts i ts servic e to the netw ork, and an y hosts which wa nt to rece ...

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    40 VH-8 G User Inter face VH-8G Configuring IG MP This pro tocol al lows a ho st to in form its loc al sw itc h/ro uter that it want s to receive trans mission s addr essed to a specif ic mu lticast g roup. Yo u can use the I GMP Con figurat ion screen to con figure mul ticast fil tering shown below : Figure 2-30 . IGMP Conf iguration V ertical Hor ...

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    9033640 VH-8G Use r Interface 41 Configuring Broad cast Storm Control Use the Bro adcas t Storm Cont rol Confi guratio n screen to enable broa dcas t stor m co ntro l for any por t on t he swi tch, as sh own be low: Figure 2-31 . Broadcast Sto rm Control Confi guration V ertical Hor izon Loca l Mana gement -- VH-8 G Broa dcas t S torm Cont rol C on ...

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    42 VH-8 G User Inter face VH-8G Configuring Bridge MIB Exten sions The Bridg e MIB in cludes extens ions for m anag ed devic es that support Traffi c Classes , Multic ast Fi ltering an d Virtua l LANs. T o configu re thes e extens ions, use the Exten ded Brid ge Confi guratio n screen as shown below : Figure 2-32. Extended Bridge Config uration V e ...

  • Enterasys Networks VH-8G - page 51

    9033640 VH-8G Use r Interface 43 Bridge Settings Traffic Class* Multiple traffic classe s are su pported by this sw itch as ind icated under Bridge Capabilities. However, you can disable this function by setting this param eter to False. VLAN Learning As default this switch uses Shared VLAN Learning (SVL ), whereby all ports s hare one VL AN filter ...

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    44 VH-8 G User Inter face VH-8G Configuring Traffic Classes IEEE 802 .1p defin es up to 8 se parate traff ic cl asses. T his s witch supp orts Qualit y of Servic e (Qo S) by usin g two pri ority queu es, with weight ed fair queuing for eac h port. You can u se the 802 .1P Confi guratio n menu to configu re the d efault priorit y for each port, or t ...

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    9033640 VH-8G Use r Interface 45 Port Priority Configuration The defa ult prio rity for al l ingre ss ports is zero. T herefore , any inb ound frames that do not have priority ta gs will be pla ced in th e low pri ority output que ue. Defau lt priori ty is only us ed to det ermine the ou tput que ue for the c urrent port ; no p riority tag is actua ...

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    46 VH-8 G User Inter face VH-8G 802.1P Por t Traffic Class Inf ormation This sw itch pro vides tw o prio rity level s with we ighted fair qu euing f or port egre ss. T his means t hat any fr ame s wit h a de faul t or us er p rior ity from 0~3 are sen t to the low prio rity queue “0” while those from 4~7 are sent to the high priorit y queue “ ...

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    9033640 VH-8G Use r Interface 47 Configuring Virtual LANs You can use the VL AN config uratio n menu to assig n any por t on the switch t o any o f up to 256 LAN groups. In conve ntional n etwor ks with router s, broadc ast traf fic is s plit up in to sep arate doma ins. Swi tches do not inhe rently suppo rt broad cast dom ains. This can lead to br ...

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    48 VH-8 G User Inter face VH-8G 802.1Q VLAN Curren t Table In formation This sc reen show s the current po rt members of each VLAN an d whether or not the port s upports VLAN taggin g. Ports as signed to a large VLAN group that cros ses several s witche s shoul d use VLAN tagg ing. How ever, if you j ust wan t to create a small p ort-bas ed VLAN fo ...

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    9033640 VH-8G Use r Interface 49 802.1Q VLAN Static Table Configuration Use this screen to create a new VLAN or modify th e setting s for an existi ng VLAN. You can add /delete port me mbers for a VLAN, or prev ent a port from bei ng automati cally added to a VLAN via the GVRP protoc ol. (Also, no te that all ports can on ly belon g to on e untagge ...

  • Enterasys Networks VH-8G - page 58

    50 VH-8 G User Inter face VH-8G For exam ple, the f ollowin g screen display s setting s for VLAN 2, which includ es tagged ports 1 -4, and forbidden port 8. Figure 2-39. 802. 1Q VLAN Sta tic Table Configuratio n Example V ertical Hor izon Loca l Mana gement -- VH-8GV H-8G 1Q VLAN S tatic T able Configur ation VID VLAN Name Status ------ ----- ---- ...

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    9033640 VH-8G Use r Interface 51 Port Assignment VLAN Co nfiguration Use this screen to configure port-spec ific settin gs for IEEE 802.1Q VL AN features . Figure 2-40. Port Assignmen t VLAN Configura tion V ertical Hor izon Loca l Mana gement -- VH-8G Port Assi gnment V LAN Conf iguration Port PVID 80 2.1Q Trunk Ingre ss Filter ------- ----- ----- ...

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    52 VH-8 G User Inter face VH-8G Multicast Router Port Information You can use the M ultic ast Rout er Port Inform ation sc reen to display the ports on this switc h atta ched to a neighb oring mul ticast ro uter/sw itch for each VLAN ID. Figure 2-41 . Multicas t Router Port Inf ormation V ertical Hor izon Loca l Mana gement -- VH-8 G Multicast Ro u ...

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    9033640 VH-8G Use r Interface 53 Static Multicast Router Port Configuration You can use the Sta tic M ulticast R outer Por t Configu ration screen to assign ports tha t are att ached to a neigh boring multi cast route r/switc h. Figure 2-42 . Static Multi cast Route r Port Configurat ion V ertical Hor izon Loca l Mana gement -- VH-8G S tatic Multi ...

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    54 VH-8 G User Inter face VH-8G IGMP Member Po rt Configuration You can use the IGMP Me mber Po rt Config uration sc reen to as sign p orts that ar e attache d to hosts who want t o receive a specifi c multic ast serv ice. Figure 2-43 . IGMP Me mber Port Con figuration V ertical Hor izon Loca l Mana gement -- VH-8 G IGMP Memb er Port Config uratio ...

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    9033640 VH-8G Use r Interface 55 Port S ecurity Configuration Use the Po rt Securi ty Conf igurati on screen to enable and c onfigur e port secur ity fo r the sw itch. Port sec urit y allo ws you to co nfig ure ea ch por t with a list o f MAC addresse s of d evices that are authori zed to ac cess the network th rough t hat port . Figure 2 -44. Port ...

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    56 VH-8 G User Inter face VH-8G Monitoring the Switch The Network Monitor M enu prov ides acces s to port s tatist ics, RMON statist ics, IP mu ltica st addres ses, and the static (unicas t) addre ss table. Each of th e scre ens provi ded by these me nus i s describ ed in t he foll owing secti ons. Figure 2-45. Network Mon itor Menu V ertical Hor i ...

  • Enterasys Networks VH-8G - page 65

    9033640 VH-8G Use r Interface 57 Displaying Port St atistics Port Statis tics dis play key stat istics fr om the Ethernet-lik e MIB for each port. Error s tatis tics on t he traffic passi ng through each port are di splay ed. This in form ati on ca n be used to id entif y pote nti al pro blem s wit h the sw itch (such a s a faulty port o r unusu al ...

  • Enterasys Networks VH-8G - page 66

    58 VH-8 G User Inter face VH-8G Displaying RMON Statistic s Use th e RMON Stati stics s creen to displa y key s tatistics for each port from RMO N group 1. (RMON gro ups 2, 3 and 9 c an only b e acces sed using SNM P man agement s oftware.) The fol lowing screen di splays the overall statis tics on traffic passing throug h each port. RM ON sta tist ...

  • Enterasys Networks VH-8G - page 67

    9033640 VH-8G Use r Interface 59 Parameter Description Drop Events The total number of events in which pack ets were dropped due to lack of res ources. Received Bytes Total numbe r of bytes of dat a received on t he network. Th is statistic can be used as a reasonable indication of Ethernet utilization. Received Frames The total number of frames (b ...

  • Enterasys Networks VH-8G - page 68

    60 VH-8 G User Inter face VH-8G Displaying the Unicast Address Table The Addre ss Table contai ns the M AC addres ses and VLAN identifi er associat ed with e ach port (t hat is, the source p ort assoc iated with the address and VLAN), so rted by MAC address or VLAN ID. You can searc h for a spe cific ad dress, cl ear the entire add ress tabl e, or ...

  • Enterasys Networks VH-8G - page 69

    9033640 VH-8G Use r Interface 61 Displaying the IP Mul ticast Reg istration T able Use t he IP Mul ticast R egistra tion T able t o displa y al l the multicas t groups active on thi s switch, includin g multic ast IP a ddresses an d the correspond ing VLAN I D. Figure 2-49 . IP Mu lticast Registra tion Tabl e V ertical Horizon L ocal Ma nagement -- ...

  • Enterasys Networks VH-8G - page 70

    62 VH-8 G User Inter face VH-8G Configuring Static Unicast Addresses Use th e Static Uni cast Addre ss Table Configu ration screen to manu ally configu re hos t MAC add resses i n the unic ast tabl e. You can use th is screen to assoc iate a MAC address with a specific VLAN ID an d switc h port as sh own be low. Figure 2 -50. Stati c Unicast Addree ...

  • Enterasys Networks VH-8G - page 71

    9033640 VH-8G Use r Interface 63 Resetti ng the Sy stem Select the Sys tem Rest art Menu und er the Main Men u to reset the swit ch. The rese t scre en includ es optio ns as shown i n the foll owing fi gure an d table. Figure 2 -51. Syst em Restar t Menu Logging Off the System Use th e Exit co mmand under the Main Menu t o exit the confi guratio n ...

  • Enterasys Networks VH-8G - page 72

    64 VH-8 G User Inter face VH-8G ...

  • Enterasys Networks VH-8G - page 73

    9033640 Configuring & Monitoring th e Switch 65 3. CONFIGURING & MONIT ORING THE SWITCH Common Tasks The sw itch con sole menus al low you to mo dify d efault sw itch settings and configu re the s witch for networ k man agement. They a lso allow you to monitor switch performanc e and status. Se e Secti on 2, “VH-8 G User Interface ,” fo ...

  • Enterasys Networks VH-8G - page 74

    66 Configuring & Monitoring th e Switch VH-8G Setting Password Protec tion The VH-8 G swit ch is factory-c onfigu red with admin istrator ac cess ri ghts to the cons ole menu s set to R EAD/WRITE. Thi s setti ng allows any one to use the cons ole menus to modi fy any operation al para meter. To prote ct the con figurati on of t he swit ch from ...

  • Enterasys Networks VH-8G - page 75

    9033640 Configuring & Monitoring th e Switch 67 Assigning an IP Address To assi gn an IP address to the switch, do the followi ng: 1. Select Manage ment Se tup Menu from th e Main m enu. 2. Select Network Configu ration and then IP Configu ration. 3. Highlight the IP address fie ld and enter th e IP address. Pre ss [Enter]. The IP addre ss is n ...

  • Enterasys Networks VH-8G - page 76

    68 Configuring & Monitoring th e Switch VH-8G Setting SNMP Management Access Access to the VH-8G switch th rough SNM P is con trolled by commun ity names. The co mmun ity names set for the swi tch must m atch those use d by the SN MP man ageme nt station for suc cessfu l commu nication to occur. A ccess for c ommunity na mes can be se t to READ ...

  • Enterasys Networks VH-8G - page 77

    9033640 Configuring & Monitoring th e Switch 69 Configuring Port Mirroring You can mirror th e traffic b eing s witched o n any port for t he purpos es of network tra ffic a nalysis and conn ectio n assuran ce. When P ort Mirrorin g is enab led, one p ort bec omes a m onitor po rt for any o ther port on the switch. Note that the so urce a nd ta ...

  • Enterasys Networks VH-8G - page 78

    70 Configuring & Monitoring th e Switch VH-8G Downlo ading Vi a the Seri al Port A serial downloa d is the e asiest met hod to u pgrade the VH-8G s witch softwa re, requirin g the l east amo unt of equipmen t and con figurati on. To dow nload sw itch software via the s erial port, do the follo wing: 1. With the console port connect ed, reset th ...

  • Enterasys Networks VH-8G - page 79

    9033640 Configuring & Monitoring th e Switch 71 Downloading Via TFTP To perfor m a TFTP downloa d, you must first con figure the VH-8G switch . This c onsists of program ming th e switc h with an IP addr ess, if this has no t already been done , and e ntering th e IP add ress of the TFTP s erver an d the name of the upgrad e file. To program th ...

  • Enterasys Networks VH-8G - page 80

    72 Configuring & Monitoring th e Switch VH-8G Configuring Spanning Tree Param eters The VH-8G switch suppo rts the IEEE 802.1D Spa nning Tree Protoco l. This pro tocol allows red undant conne ctions to be create d betwee n LAN segmen ts for purp oses of fault tol erance. Tw o or mo re phys ical pat hs betwee n differen t segm ents can be cre at ...

  • Enterasys Networks VH-8G - page 81

    9033640 Configuring & Monitoring th e Switch 73 Configuring VLANs A virtual LAN (VLAN) is a grou p of devices on one or more LANs th at are configu red su ch tha t they can commun icate as if the y were attac hed to the sa me wir e. Be cause VLANs a re bas ed on logica l inst ead of phys ica l connec tions, the y are e xtremely flexibl e. The m ...

  • Enterasys Networks VH-8G - page 82

    74 Configuring & Monitoring th e Switch VH-8G Configuring Port Operation You can config ure swi tch ports for opera tional paramete rs such a s auto- negotia tion, d uplex m ode, and f low control. T he 100 0Base-SX fib er ports always operate at 1000Mb ps sp eed. There fore, thi s parame ter is not configu rable. To confi gure po rt operatio n ...

  • Enterasys Networks VH-8G - page 83

    9033640 Configuring & Monitoring th e Switch 75 Configuring the Unicast Address Table The Un icast Add ress Table all ows yo u to de signate forwardin g treatm ent through the sw itch for spec ific MAC add resses, all owing you to main tain the ef ficie ncy an d sec urit y of your netw ork. You can se arch for a spec ifi c MAC ad dress, cl ear ...

  • Enterasys Networks VH-8G - page 84

    76 Configuring & Monitoring th e Switch VH-8G Setting a Default Gateway The defa ult Gate way pa rameter d efines th e IP ad dress of a router or othe r network device to whic h IP pac kets are to be se nt if des tined for a subn et outside of tha t which the swi tch is op erating . To set a defaul t gatewa y, do the follow ing: 1. Select Manag ...

  • Enterasys Networks VH-8G - page 85

    9033640 Configuring & Monitoring th e Switch 77 Configuring Port Trunks You can configure up to four p ort trunks on the VH-8G sw itch. Eac h trunk can co mbine up to four ports i nto an agg regate c onnecti on with u p to 8Gbps of ba ndwidth when o perating a t full dupl ex. Besid es balan cing the load ac ross eac h port in th e trunk , the a ...

  • Enterasys Networks VH-8G - page 86

    78 Configuring & Monitoring th e Switch VH-8G ...

  • Enterasys Networks VH-8G - page 87

    9033640 SNMP Managem ent 79 4. SNMP MANAGEMENT The SNMP Protocol SNMP (Simpl e Netw ork Mana gement Prot ocol) is a commu nication proto col desi gned spec ificall y for th e purpose of manag ing dev ices or other elements on a n etwork. Network eq uipm ent comm only ma naged with SNM P incl udes hub s, sw itches , routers , and hos t compu ters. S ...

  • Enterasys Networks VH-8G - page 88

    80 SNMP Manage ment VH-8G There are three mai n opera tions defi ned in SNM P: • GET ope rations read in format ion from the mana ged d evice, s uch as those u sed to obtain st atus o r statis tical da ta. • SET operati ons chan ge a fu nctional param eter on the devic e, such as thos e used to configure Port Spee d or to initiate a softwar e d ...

  • Enterasys Networks VH-8G - page 89

    9033640 SNMP Managem ent 81 This M IB reports in formation about the protoco ls an d network i nterfaces supporte d on th e agent it self, a s well as other g eneral inf ormation. The MIB is d ivided i nto a n umber of g roups, each of w hich co rresponds to a specif ic protoc ol or s et of inform ation. Some grou ps are def ined i n other RFC docu ...

  • Enterasys Networks VH-8G - page 90

    82 SNMP Manage ment VH-8G IEEE 802 .1Q (Q-MIB) This M IB include s the set of manage d obje cts as defi ned in the IEEE 802.1Q VLAN standard . This M IB provides managem ent for the VLAN aspect s of th e switc h. Enterasy s Proprie tary MIB E xtensio ns Areas of V H-8G switch function ality not co vered b y the sta ndard RF C MIBs are specifie d in ...

  • Enterasys Networks VH-8G - page 91

    9033640 Spanning Tree Concept s 83 APPENDIX A. SP ANNING TREE CONCEPTS General The IEEE 80 2.1D Span ning Tr ee Protocol resolve s the probl ems of physic al loops in a netwo rk by establis hing one primary path between any two swi tches in a netw ork. A ny dup licate pa ths are ba rred from use and become stand by or blo cked paths unti l the o ri ...

  • Enterasys Networks VH-8G - page 92

    84 Spa nning Tre e Concep ts VH-8G Spanning Tree Protocol in a Network Figure A -1 i llustrate s the use of an VH-8 G swi tch to esta blish a n effe ctive Spanning Tree conf igurati on. Switc hes A, B an d C are c onnec ted together in a red undan t topology (more tha n one path between two points). If the c onnectio n betwe en A and B go es dow n, ...

  • Enterasys Networks VH-8G - page 93

    9033640 Spanning Tree Concept s 85 Spanning Tree Protocol Pa rameters Several c onfig uration pa ramete rs control the operati on of t he Span ning Tree Pr otocol. Ta ble A-1 describes the param eters and lists th e VH-8G switch d efault settings for each p aramet er. Table A-1. Sp anning T ree Protocol Defaults For detail ed inform ation on the op ...

  • Enterasys Networks VH-8G - page 94

    86 Spa nning Tre e Concep ts VH-8G Spanning Tree Protocol Ope ration When the Spanni ng Tree Proto col is e nabled fo r the first t ime or when there is a c hange in the networ k topology , such a s a failure or th e additi on or remov al of a compone nt, the Spanni ng Tree Proto col a utomatic ally sets up the activ e topolo gy of t he curre nt ne ...

  • Enterasys Networks VH-8G - page 95

    9033640 Spanning Tree Concept s 87 There are five (5) s tates that the port s can be in for spa nning tree: • Block ing : A port in t his stat e do es n ot p arti cipat e in th e tr ansmis sio n of frames , thus preve nting du plicatio n arisin g through mu ltiple paths existi ng in t he active topology of the bridge d LAN. • Listeni ng: A po r ...

  • Enterasys Networks VH-8G - page 96

    88 Spa nning Tre e Concep ts VH-8G ...

  • Enterasys Networks VH-8G - page 97

    9033640 Virtual LANs (VLANs) 89 APPENDIX B. VIRTUAL LANS (VLANS) VLANs and Frame Tagging The VH-8G switch suppo rts IEEE 802.1 Q-complia nt virtual LANs (VLANs). This cap abilit y provide s a highl y effi cient architect ure for establi shing VLAN s wit hin a netw ork and for con trolling b roadca st/ multic ast traffic betwee n workgroups . Centra ...

  • Enterasys Networks VH-8G - page 98

    VH-8G VLAN Configuration VLAN ope ration on the VH-8G is e nabled by default. The refore, al l frames are trans ferred inter nally through the switch wit h a VLAN ta g. This ta g may al ready be o n the f rame en tering the switch , or add ed to th e frame by the s witch. VLAN infor mation al ready exi sting on frames entering the switch i s automa ...

  • Enterasys Networks VH-8G - page 99

    9033640 Virtual LANs (VLANs) 91 Forwarding Tagged/Untagged Frames Ports can be assig ned to m ultiple t agged o r untag ged VLANs. Eac h port on t he swi tch i s therefore cap able of passi ng tag ged or untagge d fr ames. To forward a frame from a VLAN-aware d evice to a VLAN-unaware device , the switch first decides where t o forw ard the f rame, ...

  • Enterasys Networks VH-8G - page 100

    92 Virtual LANs (VLANs) VH-8G Forwarding Tra ffic with Unknown VLAN Tags This swi tch on ly suppo rts 256 VLAN s with VL AN IDs ranging fro m 1 to 2048, b ut the I EEE 802. 1Q VLAN stan dard allo ws for VLAN IDs from 1 to 4094. Th erefore , if th is switc h is atta ched to endst ations that is sue VL AN registra tion req uests, it will ha ve to for ...

  • Enterasys Networks VH-8G - page 101

    9033640 Class of Service 93 APPENDIX C. CLASS OF SERVICE Class o f Service s upport on the VH -8G switc h allows y ou to a ssign mission-c ritic al data a higher p riority throug h the switc h by dela ying less critica l traffic d uring p eriods of conge stion. High er prior ity traffic throug h the switc h is serv iced firs t before l ower prio ri ...

  • Enterasys Networks VH-8G - page 102

    94 Class of Service VH-8G Figure C -1 sh ows prio rity queui ng ope rating w ithin a s witch. Fr ames enter ing the sw itch th rough p orts 1 and 4 are ta gged as normal traffic an d placed in a normal priority que ue on the ou tbound port. Fra mes enteri ng through p orts 2 and 5 are t agged as hig h priority traffic and plac ed in a high pri orit ...

  • Enterasys Networks VH-8G - page 103

    9033640 IP Multicast Filtering 95 APPENDIX D. IP MULTICAST FILTERING IGMP Snooping and IP Multicast Filtering The Intern et Gro up Manag ement Protocol (IGM P) runs betw een hos ts and their im media tely neighb oring mu lticast rout er/switch. The protocol ’s mechan isms all ow a host to inform i ts loca l router that it w ants to rec eive trans ...

  • Enterasys Networks VH-8G - page 104

    96 IP Multicast F iltering VH-8G ...

  • Enterasys Networks VH-8G - page 105

    9033640 Index 1 INDEX A address table unicast, 60 aging time, configuring, 75 Auto-negotiation, configuring, 74 B BootP, configuring, 76 bridge MIB extensions, 42 C Class of Ser vice, configuring, 45, 73 community names, S NMP, 68 console lock-out, 66 console login configuration, 21 console port configuration, 17 connections, 1 D default settings, ...

  • Enterasys Networks VH-8G - page 106

    2 Index VH-8G priority port configuration, 45 port information, 46 tr affi c cl ass , 44 R restarting the sy stem, 63 S serial port configuration, 17 connections, 1 download, 69 SET operations, 80 SNMP communities, 19 configuration, 18 configuring access , 68 management, 1, 79 MIB extensions, 82 operations, 80 trap s, 80 snooping, IGMP, 95 software ...

  • Enterasys Networks VH-8G - page 107

    9033640 Ind ex 3 ...

  • Enterasys Networks VH-8G - page 108

    ...

  • Enterasys Networks VH-8G - page 109

    ...

  • Enterasys Networks VH-8G - page 110

    150183-102 R01 ...

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