3Com 5000 ATM manuale d’uso

® http://www.3com.com Cor eBui lder ® 5000 A TM B ack bon e S wit ch Mo du le User Guide Part Number 10 01303 7 Publ ished N ovembe r 1999[...]

ii 3Com Cor poration 5400 Bayfr ont Plaza Santa Cl ara, Califo r nia 95052- 8145 Copy right © 1999, 3C om C orporat ion. All right s reserve d. No part of this doc ument ation m ay be repr o duced in any form or by an y means or used to mak e any deri vative work (such a s translat ion, transform ation, or adapt ation) w ithout writ ten pe rmissio[...]

C ONT ENTS A BOUT T HIS G UID E Introdu ction 1 Audience 1 How t o Use T h is Gu ide 1 Conventions 2 Related Doc uments 3 3Com D ocuments 3 Refer e nce D ocum ents 4 SNMP and MIB-Base d Information 4 A TM and LAN Docu ments 5 1 I NTROD UCT IO N A TM Backbone S witchModule Overview 1-1 A TM Backbone S witchModul e Featur es 1-1 Seaml ess A TM Migrat[...]

Packet Channel Backplane Des cripti on 1-8 Slot Rest ri ctio ns Per B ackpl ane 1-8 Sample A TM Backbon e SwitchModul e Configurations 1-10 Basic Config uration 1-10 Dual-Homing C onfiguration 1-11 Dual-Homi ng/Module Redunda ncy Configuration 1-12 2 LAN E MULA TION O VERVIEW General Definition of LAN Em ulation 2-1 LAN Em ulation Com ponents 2-3 G[...]

3 C ONF IGURING THE AT M B ACKBON E S WITC H M ODULE Configuration T ools 3-1 Distributed Management M odule 3-2 Advanced M anagem ent T ools 3-2 T ranscend Network Control S e rvices f or UNIX 3-2 T ransc end N etwork Ma nagement Softwa re for W indows 3-3 Thir d-Part y SNMP-Based T ools 3-4 Se tting Up DMM Acces s 3-5 Setti ng Up Dir e ct T ermin[...]

A TM Interface Parameters 4-9 A TM ILMI Config uration 4-10 A TM Q93b Parameters 4-10 A TM QSAAL Parameters 4-11 A TM Signal Configuration 4-11 A TM St atistics 4-12 A TM T raffi c Descri pti on 4-12 A TM VCCs 4-13 SHOW BPORT_LEC 4 -13 BPORT_LEC Co nfiguration 4-14 BPORT_L EC Stati stics 4-15 BPORT_LEC Status 4-15 BPORT_LEC Server Circ u its 4-16 B[...]

6 T ROUBLE SHOOTING T roubleshootin g Usi ng LED s 6-1 T roubleshootin g Base Module LEDs 6-1 V erifying Base Module LED Operation 6 -1 Reading the Base Modul e L EDs 6-2 Determini ng C orrec tive A ction 6-3 T roubleshootin g A T M OC-3 Card LEDs 6-4 Recovering from Problems 6-5 V erifying DMM Communica tion 6-5 V eri fying Softwar e V ersions 6-6[...]

B T EC HNI CAL S U PPORT Onlin e T e ch nic al Ser v ices B -1 Worl d W ide Web Si te B-1 3Com K nowl edgebase Web Services B-1 3Com F TP Site B-2 3Com Bul letin Board Service B-2 Access by Anal og Mo dem B-2 Access by Digital Modem B-3 3Co m Fa cts A utom ated Fax Ser vice B-3 Support fr o m Y our N etwo rk Supplier B-3 Support fr o m 3Com B -3 Re[...]

F IGUR ES 1-1 A TM Backbone S witchModule H ar d ware Components 1-4 1-2 A TM Backbone S witchModule Base Configuration 1-6 1-3 A TM Backbone S witchModule wi th Redundant A TM OC-3 Card 1-7 1-4 Example Base Configuration 1 -10 1-5 Example Dua l-Homing Configuration 1 -11 1-6 Example D ual-Homing/M odule Re dun dancy Config uration 1-12 2-1 LAN Em [...]

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T ABLES 1 No ti ce Ico ns 2 2 T e xt Conventions 2 1-1 Supported Standards and MIBs 1-4 1-2 SwitchModule Installation Pe r Backplane 1-8 4-1 Other Vbridge I GMP S noop ing Options 4-4 6-1 Base Modul e LED Status 6 -2 6-2 Base Mod ule LE D Corrective Actions 6-3 6-3 A TM OC-3 Car d LED Correc tive Actions 6-4 A-1 Envi ronmental Speci fi cati ons A-1[...]

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A BOUT T HIS G UIDE Introduction Thi s gu ide de scribe s how to in stall, co nf igure, and m a nage t he 3 Com Cor eBuilder ® 5000 A TM Back b one Sw it chMod ul e. If the i nfor mat ion in t he re lease n otes s hippe d with y our pr oduct dif fers from the inform ation in this guide, f ollow the relea se no te inst ruct ions. Au dience T his gu[...]

2 A BOU T T HI S G UI DE Conve ntions The f ollow ing t able s list co nven tions used t hroughou t this g uide: T able 1 Notice Icons Ic on Ty p e De scriptio n Inf ormat ion N ote Inf ormation not es call attent ion to impo rtant featur es o r inst ructi ons. Cauti on Cauti ons a l ert you to perso nal saf et y r isk, s ystem d amage, or l oss of[...]

Rela t ed Doc uments 3 Relate d Docu me nts This se ctio n provide s inf orma tion on supp or ting doc um entat ion, in cl u d in g: ■ 3Co m Do cum ent s ■ Referenc e Doc umen ts 3Com Do cument s The f ollow ing d ocu ment s provide addit ional inform ation o n 3 Com product s: ■ CoreB ui lder 5 000 Sw itchM odule Use r G uide — Pr ovides i[...]

4 A BOU T T HI S G UI DE ■ CoreBuild er 5000 Inte grated System H ub Installation and Oper ation Guide — Pr ovides informati on on t he insta llation, opera tion , and con figu ration of the Co reBuild er 5000 In tegra ted System Hub. This guide also describes th e princi pal feat ures of the CoreBuilde r 500 0 F aul t-T oleran t Co ntroller M [...]

Rela t ed Doc uments 5 ■ Kas tenho lz, F . and Mc Cl oghr ie, K ., Ev olutio n of t he Int erface s Group of MIB- II, R FC 1573 , F TP S oftwa re and H ughes LAN Sy stem s, Janua ry 19 94. ■ Br own, T . and T es ink, K ., De finitio ns of M anage d Ob jec ts for t he SONET/SDH I nterface T ype, RF C 1595, Bell Communic ations Re searc h , Ma r [...]

6 A BOU T T HI S G UI DE[...]

1 I NTR ODUCTION This c hapter d escrib es the feat u r es and components of the 3Com Cor eBuilder ® 5000 A TM Bac kbone Swi tchM o dules a nd how A TM Backb one Swi tchMod ul es op erate. This c hapter c ontains the f ollowin g sections: ■ ATM Bac kbone Swi tchM o dule O verv iew ■ ATM Bac kbone Swi tchM o dule Archi tect ure ■ ATM Bac kbon[...]

1-2 C HAP TER 1: I NTRODUCTION Mult iple R edundanc y Lev el s Y ou ca n con figure t he A TM Back b one Sw it chMod ul e fo r two lev els of r ed und ancy : ■ PHY Re dundanc y — A sec ond ary A TM O C- 3 c ar d provides PH Y r ed und ancy . If the prim ary A TM OC- 3 card or a ttache d c able fails o r perfor man ce fails or is no longer recei[...]

ATM Back bone Switc hModule Overvi ew 1-3 Hot S w ap Featu re Y ou ca n in sert or r em ov e A TM B ackbon e S witch Modu les wi thou t power ing o f f t he Co reBuilder 50 00 chassis. Su pported CoreBuild er 5 000 Switc hM odules CoreBuilde r 500 0 A TM Bac kbone S wi tchM odul es prov ide A TM co nnecti vity f or the fo llowi ng CoreBu ilder 50 0[...]

1-4 C HAP TER 1: I NTRODUCTION Suppo rted Ma na ge me n t Standa rds CoreBuilde r 500 0 A TM Back bone Swi tchM od ules su ppo rt the standa rds and MI Bs shown in Ta ble 1- 1. A TM Back bon e SwitchM odul e Architect ure This sectio n describ es the har d wa r e com pon ents of the CoreBuild er 500 0 A TM Bac kbone Swi tchM o dule. Figu re 1-1 ide[...]

ATM Back bone Switc hModule Archit ectur e 1-5 The si gnific ant ha rdware com pon ents of the A T M B ack bo ne Switch M odu le inc lude : ■ Mana gemen t Proc essor ■ Packet Switch Processor ■ Prim ary ATM OC-3 Card ■ Redu ndant ATM O C-3 Ca rd Manage ment Pr oce sso r The M anage m ent Proce ssor per form s processing func tions that a re[...]

1-6 C HAP TER 1: I NTRODUCTION A TM Back bon e SwitchM odul e Descr ip tions This se ction d e scribes the ba se and redundan t h ardware conf igura tions of th e A TM Back bone Sw itchM odu le. B a s e H a rd w a re Conf igurat ion Figu re 1-2 shows t he A TM Bac kbon e S witch Mo dule w ith on ly t he pri m ary A TM OC-3 car d installed. Figure 1[...]

ATM Back bone Switc hModule Desc riptio ns 1-7 Redun dant Har dwar e Conf igurat ion Figu re 1-3 shows t he A TM Bac kbon e S witch Mo dule w ith a n o ption al red un d an t A T M O C -3 ca rd in s ta lle d . Figure 1-3 A TM Backbone SwitchModule wi th Redundant A TM OC -3 Card See th e Cor eBuilder ® 500 0 A TM Back bone Sw itchM od ule Qu ick S[...]

1-8 C HAP TER 1: I NTRODUCTION Pac k etC h ann el Back plane Descr ip tion An A T M Ba ck bone Sw it chMo dule installe d in t he Co reBuild er 5 000 hub connec ts to the Cor eBuilder 5000 PacketChannel b ackplane. Th ere ar e two ki nds of PacketCh annel backplan es: ■ St andar d Pac ketCha nnel — Sup port s pack et -swit ching . W hen y ou di[...]

Pack etChanne l Backplane Descr iption 1-9 Refe r to the CoreBui lder 5000 I ntegr ated Sy stem Hub Install ation and Operati o n Guide for mo r e inf orma tion a bo ut CoreBui lder 500 0 h ub backpl anes. 10-Slo t PacketChann el (Part Number 30- 0432) 3C 96010C-AP 3C 96010C-BP 3C 96010CH-AP Inst all ATM Back bone Swit chModu le in a ny slot in the[...]

1-10 C HAPTER 1: I NTRODUCTION Sam ple A T M Back bone SwitchM odul e Config urations This se ctio n illu strates t hree ba sic c on figuratio ns of the A T M Ba ckb one S wit c h M o du le : ■ Basic C onf igur ation ■ Du al- Hom in g Conf ig ur ati on ■ Dual -Homi ng/M odu le Redun danc y Conf igur ation Bas ic Conf igur ati on Figu re 1- 4 [...]

Sam ple ATM Backbo ne Switch Module Confi gurat i ons 1-11 Dual- H omin g Conf igurat ion Figu re 1-5 illustrat es the dual-h om ing c onfigur ation of an A TM Backb one Sw itchM od ule wi th a r ed und ant A TM OC -3 ca rd. Figure 1 -5 Example D ual-Homing Confi guration If the lo ss of ligh t, fram e, or cell d elineat ion i s detec ted, the redu[...]

1-12 C HAPTER 1: I NTRODUCTION Dua l-Ho ming/ Modul e Redun dancy Conf igurat ion Figu re 1-6 illust rate s the du a l-homi ng/ modul e redund ancy c onfigur ation of two A TM Backbo ne Swi tchM odul es wi th redunda nt A TM OC -3 cards. Figure 1 -6 Example D ual-Homing/Module Re dundancy Configur ation The LE Cs in the ex ampl e c onfi gura tion o[...]

Sam ple ATM Backbo ne Switch Module Confi gurat i ons 1-13 The f eatures of t he du al-hom i ng/m odul e redunda ncy con figu rat ion in cl u d e: ■ Lo ad bal anci ng LEC su ppo rt is di stribu ted manual ly ac r o ss two A TM Back bone S wit c h M o du le s ■ A TM P H Y redu ndanc y On ei ther A TM Backb one SwitchModule, if the loss of any cr[...]

1-14 C HAPTER 1: I NTRODUCTION[...]

2 LAN E MU LATION O VER VIEW This ch a pter de scribe s the LAN em ula tion tech nol ogy t hat provid es an i nterface betwe en Ethe r net and FDDI packet-b ased networ ks and A TM cell -based net wo rks. This c hapter c ontains the f ollowin g sections: ■ G ene ral D ef in iti on of LAN E mul at ion ■ LAN Emulati o n Components ■ LAN Emulati[...]

2-2 C HAP TER 2: LAN E MULAT ION O VER VI EW Figure 2 -1 LAN Emulat ion Function The A TM Ba ckbone SwitchModule provides a LAN emul ation b rid ge bet ween an A TM network and a standard Ethernet-based SwitchModule (F ig u r e 2 - 2 ). Figure 2 -2 A TM Backbone Switc hModule Function The A TM Backbone Swit c hModule accept s Ether net and FDDI sou[...]

LAN Emulati on Component s 2-3 LAN E m ulation Compon ents This sec tion ident ifies: ■ Gen era l LANE Com pon en ts ■ ATM Bac kbone Sw itchM o dule LA NE C om pone nts Ge ner al LA NE Compon ents The majo r components of A TM LAN emu latio n are iden tified in Figu re 2-3 . Figure 2 -3 General LAN Emulation Components Each o f t he major LAN e[...]

2-4 C HAP TER 2: LAN E MULAT ION O VER VI EW Br oadca st and U nknown Serve r (B US) The Br oadcast and Unkno wn Server is a mult ic ast serv er that fo rwar ds multic ast and b roadcas t traf fic to L ECs within a s pecific ELAN. The BUS als o floods unknown uni cast traf fic to all LECs in the ELAN. A TM Backbon e Switc hM odu le LA NE Compon ent[...]

LAN Emulat i o n Data Ex change 2-5 Virtu al Bridg e (vbrid ge) Y ou create virtu al bridg es on CoreBui lder 5000 S witc hMod ule s. Y ou assi g n each bridg eport- LEC to a vbri dge on a SwitchModul e in the CoreBuilde r 500 0 h ub. Em ula ted LAN ( ELAN) Y ou assign each bri d geport- LEC to an ELAN in the A TM network. An ELAN is a logi cal LA [...]

2-6 C HAP TER 2: LAN E MULAT ION O VER VI EW P ack ets V ers us Cells The A TM Backbon e SwitchModule c o nvert s Ethernet- an d FDD I-orig inated pack ets to and from A TM c ells. Fig ure 2-6 illustr ates the convers ion o f SwitchModule p ackets to and from A T M ce lls. Figure 2 -6 Converting SwitchModule Pa c kets t o and fr om A TM Cells To A [...]

LAN E mulation Connectio ns 2-7 LAN E m ulation Connec tions LAN emulati on uses VCCs (v irtual channel con nections ) to pr ovide communic ations be tween a LEC and the LANE serv ic e. Ther e ar e two types of VCCs: ■ Control VCCs ■ Data VCCs Cont ro l VCC s Control VCCs c onsist of t he f ollowin g three type s: ■ Conf igurat ion Dire ct VC[...]

2-8 C HAP TER 2: LAN E MULAT ION O VER VI EW Dat a VCC s D a ta V C C s co ns i st o f t he f ol l ow in g thre e ty pe s: ■ Dat a Dir ect VCC — A b id irect io n al po in t- to -p o i nt VC C se t up be twe en t wo L ECs t hat wan t to exc han ge d ata ■ Mult icast Send VCC — A bidi r ec tion al poi nt-to- point V CC be tween the LEC and t[...]

LAN Emulat i on Opera tion 2-9 LAN E m ulation Operation This sec tion descri b es the si mplified oper ation of a LEC in a LAN emula tio n conf igur ation. LEC o per ation is d efined by the protoco ls of the LAN Emulat io n User -Network In terface ( LUNI). LUN I protocol d efi nes ea ch stag e of oper ation for a LE C. Th e ma jor stages of ope [...]

2-10 C HAPTER 2: LAN E MULA TI ON O VER VIEW LECS Connecti on The L EC must de termine the A TM addr ess of its LECS and est ablish a co nnect ion to the LEC S. The LEC attem pts eac h of the follow ing meth ods, in the or der pr ovided, to connec t to it s LECS: 1 Uses a loca lly configu red LECS A TM addr ess. 2 Queries the ILMI Ser vice Regi str[...]

LAN Emulat i on Opera tion 2-11 BUS Connec tion During the BUS Connec tion stag e, the LEC: 1 Sends a n LE -ARP (L AN Em ula tion-Ad dress Re solutio n Protoco l) reque st to t he LES contai ning the tar get MAC addr ess FF-FF -FF-FF-F F-F F (broadcast MAC addr ess). The LES retu rn s an LE-ARP resp o nse contain ing the A TM addres s of the emulat[...]

2-12 C HAPTER 2: LAN E MULA TI ON O VER VIEW[...]

3 C ONFIGU RING THE AT M B ACKBO NE S WI TC H M ODULE This c ha pter provides proc edures f or c onfi guring th e Co reBuilder ® 50 00 A TM B a ckbo ne S witc hM odule. This c hapter c ontains the f ollowin g sections: ■ Co nfi gur ati on To ols ■ Setti ng Up DMM Ac cess ■ Config uration Pro cess Ov erview ■ Configurin g LAN E m ulatio n P[...]

3-2 C HAP TER 3: C ONFIG URING THE ATM B ACKBONE S WITCH M ODULE Distribu ted Manag e ment Modu le The Co reBuilder 5000 Distr ibuted M anage men t Mo dule (D MM ) and Adv anced DM M (ADM M) provide c om ma nds that a llow yo u to co nfigure an d m onit or th e A T M B ack bon e Sw itch Modu le. The A TM Back b one Sw itchM odu le requi res DM M/A [...]

C onfigurat i on T ools 3-3 Figure 3 -1 UNIX T ools for Configuring A TM Ba ckbone Switc hModules T ranscen d Network Contro l Serv ices for UNI X applicatio ns ar e accessed by: ■ Selec ting the ap plica tion di rectly from t he T o ols menu of the netw ork platf orm (f or e xam ple, H P O penV iew ) ■ Selec ting a lau nch poin t from one app [...]

3-4 C HAP TER 3: C ONFIG URING THE ATM B ACKBONE S WITCH M ODULE Figure 3 -2 W indows T ool s f or Configuring A TM Bac kbone SwitchModules T r anscend Netw ork M an ageme nt S oftware f or W ind ow s app lications ar e ac cess ed by: ■ Selec ting the ap plica tion di rectly from t he T o ols menu of the Networ k Platform (f or example, HP OpenVi[...]

Sett ing Up DMM Access 3-5 Setti ng Up D MM Ac cess This se ction p rovides proc edures y ou m ust fol low to set up acce ss to DMM man ageme nt t ools. Y ou ca n ac cess t he DM M b y: ■ Dir ec t ter m inal acc ess ■ TELNET ac cess Settin g Up Direct T e rmin al Access to the DMM Refe r to the CoreBui lder 5000 D istribu ted Man ageme nt M odu[...]

3-6 C HAP TER 3: C ONFIG URING THE ATM B ACKBONE S WITCH M ODULE Config uration Pr oces s O ver view This sectio n p r ovi des a n ove rvi ew of t he fol low ing c onfigur ation in fo rm a tio n: ■ Co nfi gur ati on Com pon en ts ■ Co nfi gur ati on De faul ts Conf igurat ion Compon ents A TM B a ckbo ne S witc hModu le con figu ratio n consi s[...]

Config ur a tion Proces s Overview 3-7 A TM Confi gurati on CA UTI ON: Cha ng es to th e A T M p ara m et e rs ca n c a us e pr ob le m s wi th system op e ration. O nly qu alified A T M se rv ice perso nnel should attempt to mo dify th es e pa ra m e ter s . We re co mm en d t ha t yo u d o no t at te m p t to c hange thes e parame ters . V a rio [...]

3-8 C HAP TER 3: C ONFIG URING THE ATM B ACKBONE S WITCH M ODULE ■ LECs 2 t hrough 8 are set to the followi ng pa ra meter v alu es: ■ Con figurat ion m ode is M anu al. ■ I nterface mode is Disab led. ■ ELAN Name is No ne. ■ Vbridg e assignm ent is Unassi gned. Config uring LAN Em ula t ion Para m eter s The pr ocedure y ou use to config[...]

Confi guring ATM OC-3 Ca r d Redu ndancy 3-9 2 Save the set tings a s fol lows: CB50 00 > s ave a ll 3 Repeat s teps 1 and 2 for eac h LEC you r eq uir e. 4 Assign a uni que LES a ddress for e ach bridge port LEC o n the sam e module. If a bridgepo rt LEC has an addr ess configur ed that is a dupl icate of an other br idge port LEC, it nev er jo[...]

I f you disa ble automati c failo ver an d a primary A TM OC-3 car d failu re occu rs, you must use th e command in ste p 1 to make the r edundant A TM O C-3 car d acti ve. Ther e is a configu rable fe ature calle d the loss of signal ling del ay . Th e defau lt is 0 seco nds, an d the max imum is 60 seco nds. PHY fail over can take from 0 t h ro u[...]

Confi guring IGMP Snoopi ng Pa rameter s 3-11 3 View the st atus of IGM P sno oping on a vbr idge co nfig ured on the A T M backb one Swi tchM od ule . For exa m ple, th e foll owing command disp lays th e status of IG MP snoopi ng on vbr idge 1 on the A TM Bac kbon e S witch Modu le in slot 9 : CB50 00> sho w v br idg e 1 i gmp _s no op in g st[...]

3-12 C HAPTER 3: C ONF IGU RING THE ATM B ACKBONE S WITCH M ODULE[...]

4 S TATU S M ON ITO RI NG A ND S TATIS TI CS This c h apt er descr ibes the to ols th at you can use to moni tor module st atus and gath er statist ics th at help you to analy ze the Cor eBuilder ® 5000 A TM Bac kbone Swi tchM o dule a nd ne tw ork perfor man ce. This c hapter c ontains the f ollowin g sections: ■ Using DMM/ADMM Commands ■ Usi[...]

4-2 C HAP TER 4: S TATUS M ONITO RING AND S TATI STI CS SHO W V BRID GE Use the SHOW VBRI DGE command to displa y the foll o wing vbri d ge co nfigura tion i nfor mat ion a bo ut th e A TM B ack bo ne Sw itc hModu le: ■ General vbridge c onfigurati o n informat ion ■ Detai led v bridg e co nfigu rat ion inf or mat ion ■ IGMP sno oping info rm[...]

Using DMM/AD MM Commands 4-3 Displayi ng Deta iled Vbrid ge Co nfiguration Inform ation The f ollow ing c omm and shows detai led vb ridg e con figu ratio n info rma tion a bou t an A TM B a ckbo ne S witc hModu le in a CoreBuilde r 500 0 h ub: CB50 00 > s how v bri dge a ll co nf ig ur atio n v er bos e Inte rf ac e N um ber : 4 Inte rf ac e M [...]

4-4 C HAP TER 4: S TATUS M ONITO RING AND S TATI STI CS Dis pla yin g IGMP Snoo ping Vbri dge Infor mati on The f ollowin g comm and show s IG MP snoo ping stat us infor mat ion for vbridge 11 conf igured o n an A TM B ackbon e Switch M odu le insta lled in the hub : CB50 00 > s ho w v br idge 1 1 igm p_ sn oopi ng st at us IGMP Sn oo pi ng St a[...]

Using DMM/AD MM Commands 4-5 SH OW MO DUL E Use the SHOW MODULE co mman d t o displ ay module -level informati on abou t the A TM Bac kbone SwitchM o dule . The f ollow ing c omma nd shows detail ed mo dule i nfor matio n abo ut a n A TM B a ckbo ne Sw itchM odu le in slot 4 o f a C oreBui lder 5 000 hub: CB50 00 > show modu le 4. 1 ver bose Slo[...]

4-6 C HAP TER 4: S TATUS M ONITO RING AND S TATI STI CS SH OW BRI DGE _POR T Use the SHOW BRI DGE_PORT command to display : ■ Gene ral st atus inform ation for al l bridge po rts on th e module ■ Detail ed inf orm ation abo ut one b ridge port on the modu l e Disp layi ng G enera l Sta tus In form ation The following command displays informatio[...]

Using DMM/AD MM Commands 4-7 Disp layi ng D eta iled Inf orm atio n The f ollo w ing co mma nd disp lays i nfo rm atio n ab ou t br idge por t 2 on a n A TM B a ckbo ne Sw itchM odu le in slot 4 o f a C oreBui lder 5 000 hub: CB500 0> sh ow br id ge_p or t 4 .2 ve rbo se Br idge Port Disp lay f or Mo dule 6602M- MOD : BPort I/F St at us Stp S ta[...]

4-8 C HAP TER 4: S TATUS M ONITO RING AND S TATI STI CS SHO W CO UNT ER BRIDG E_POR T Use the SHOW COUNTER BRIDGE_PORT command to display stati stics for a bridg e por t on the mod ule. The f ollow ing comm a nd di splays st atist ics abou t bridg e por t 2 o n a n A TM B a ckbo ne Sw itchM odu le in slot 4 o f a C oreBui lder 5 000 hub: The follow[...]

Using DMM/AD MM Commands 4-9 SHO W A TM Use the SHOW A TM command to displ ay the fol lowing A TM in fo rm a tio n: ■ ATM Inte rface Par am eter s ■ ATM I LMI C onf igur ation ■ ATM Q93b P aramet ers ■ ATM QSAAL Paramet ers ■ ATM Signal Config uration ■ ATM Statist ics ■ ATM Traff ic Descri p tion ■ ATM VCCs A TM Interface Param ete[...]

4-10 C HAPTER 4: S TATUS M ONITO RING AND S TATISTICS AT M I L M I Conf igurat ion The f ollow ing c omma nd displa ys infor mat ion abo ut th e A TM ILM I configu rat ion f or a n A T M Ba ck bon e Swit ch Module in slot 4 of a CoreBuilde r 500 0 h ub: CB50 00 > show atm 4 ilmi _con fig urat ion Slot Modul e Ve rsi on Netw or k Gene ra l I nf o[...]

Using DMM/AD MM Commands 4-11 AT M Q S A A L Param eters The f ollow ing c omma nd displa ys infor mat ion abo ut A TM Q SAAL param eter s for an A TM Back bone Sw itchM od ule in slot 4 o f a CoreBuilde r 500 0 h ub: CB50 00> sh ow at m 4 qs aal Slot Modul e Ve rsi on Netw or k Gene ra l I nf or mat ion ---- -- -- --- -- -- -- - ---- -- - -- --[...]

4-12 C HAPTER 4: S TATUS M ONITO RING AND S TATISTICS AT M S t a t i s t i c s The foll o wi ng command display s A TM statist ics for an A TM Backbo ne Switch M odu le in slot 4 of a Co reBuilder 5000 hub : CB50 00> sh ow at m 4 st atist ics Slot Modul e Ve rsi on Netw or k Gene ra l I nf or mat ion ---- -- -- --- -- -- -- - ---- -- - -- -- -- [...]

Using DMM/AD MM Commands 4-13 AT M V C C s The foll o wing com mand displays informati on about A TM VCCs for an A TM B a ckbo ne Sw itchM odu le in slot 4 o f a C oreBui lder 5 000 hub: CB50 00 > sh ow atm 4 vc c all Slot Mod ule V er sion N etwo rk Gen er al In fo rm ation ---- -- ---- -- -- -- --- -- -- - -- -- -- -- --- -- -- -- ----- -- -- [...]

4-14 C HAPTER 4: S TATUS M ONITO RING AND S TATISTICS BPORT _LEC Conf igurat ion The f ollow ing c omm and displa ys conf igur ation inform ation fo r bridge po rt-LE C 2 o n an A TM B ackbon e S witch M odu le in slot 4 of a CoreBuilde r 500 0 h ub: CB50 00> sho w b po rt_ lec 4 .2 co nf ig ur atio n Brid ge Po rt LE C D ispla y for Mo du le 66[...]

Using DMM/AD MM Commands 4-15 BP OR T_L EC St at ist i cs The f ollowin g comm a nd displays st atist ics fo r bridg epor t-LEC 2 on an A TM B a ckbo ne Sw itchM odu le in slot 4 of a Co r e B uilde r 5 000 hub : CB50 00> sho w b po rt_ lec 4 .2 st at is ti cs Brid ge Po rt LE C D ispla y for Mo du le 6602 M- MO D: BP L EC Mod e I /F St atus Gen[...]

4-16 C HAPTER 4: S TATUS M ONITO RING AND S TATISTICS BP OR T_L EC Se rver Cir cui ts The f ollow ing com mand disp lay s th e serve r circuit s for brid gepo rt-LEC 2 on an A T M Ba ckb one S witc hMod ule in slot 4: CB50 00> sho w b po rt_ lec 4 .2 se rv er _c ircu its Brid ge Po rt LE C D ispla y for Mo du le 6602 M- MO D: BP L EC Mod e I /F [...]

Using DMM/AD MM Commands 4-17 SH OW SON ET Use the SHOW SONET command to displ ay the follo wing A TM S ONET in fo rm a tio n: ■ SHOW SONET Stat us ■ SHOW SONET Stat isti cs SH OW S ONE T St atu s The fo llowi n g displ ays SONET stat us infor mation for an A TM Backb one S wit c h M o du le in s lo t 1 3 : CB50 00> sh ow so net 13.1 stat us[...]

4-18 C HAPTER 4: S TATUS M ONITO RING AND S TATISTICS SH OW SON ET Sta ti sti cs The foll o wi ng command displ ays SONET stat isti cs for an A TM Backb one S wit c h M o du le in s lo t 7 : CB50 00> sho w s on et 7. 1 s tatis ti cs in te rv al al l Slot Modu le Ve rs ion Netw or k Gene ra l I nf or ma tion ---- -- -- -- --- -- -- - ---- -- - --[...]

Using DMM/AD MM Commands 4-19 SHOW I GMP SNOOPING Use the SHOW IGMP SNOOPING command to display the IGMP snoopi ng info rmation on a m odul e. Y ou ca n vi ew the IG MP snoopi ng inform ation on all of t he m odul es inst alled in a CoreBu ilder 50 00 h ub using the SHOW IGMP_SNOOPING MODUL E ALL com mand or I GM P snoopi ng inform ation on a sp ec[...]

4-20 C HAPTER 4: S TATUS M ONITO RING AND S TATISTICS Using G raphi cal Int e rfac e T oo ls Tr a n s c e n d ® Network C ontrol S ervic es provide s advanc ed gr aph ica l manag em ent capab ilitie s tha t ena ble you t o m onit or A TM B ack bone Swi tchModule oper ation and coll ec t and d isplay st atistic s. T r anscend Netwo rk C ontrol S er[...]

Usi ng Graph ical I nterfac e Tools 4-21 Dev ice Manage ment for H ubs Devi ce M an age ment f or Hubs allows you to displa y the o per ating status o f a select ed d evice , conf igure t he dev ice , or displ ay stat istics. When yo u la unch D ev ice M anage men t for Hu bs, an ima ge o f t he selec ted device , know n as Devi ce Vi ew , ap pear [...]

4-22 C HAPTER 4: S TATUS M ONITO RING AND S TATISTICS[...]

5 I NT ER N ET G ROU P M ANA GEME NT P RO T O C O L (IGMP ) S NO OPI NG This ch a pter prov ides th e fo llow ing inf orm ation abou t IG MP snoopi ng: ■ Overvi ew ■ CoreBuilde r 500 0 Su ppor t ■ Locatin g M ult icast Routers in the Network ■ No Mu lti ca st Ro u te rs on th e N etw o rk ■ Enabl ing IG M P Snoo pi ng o n Co r eB uild er [...]

5-2 C HAP TER 5: I NTERNET G ROUP M ANAGEMENT P R OTOCOL (IG M P) S NOOPING Di sa bl ing IGMP sn ooping The de faul t settin g for IGMP snoopi ng i s enabl ed. T o disable i t, ent er the SE T VBRIDGE <X> IGMP_SNOOPING DISABLE command. Befor e impl ementing IGM P sn ooping Before you i mpleme n t IGMP snoo ping w it hin y our net wor k, be a [...]

Overvi ew 5-3 Figu re 5-1 shows a typ ical packe t pa th be fore snoo ping occ urs. Figure 5 -1 Multicas t Packet Path before Snooping Elim in atin g unwa nted I P multi cast pr otocol s IGMP snoopi ng swit ch and multica st MAC add ress filters work togeth er to elim ina te unw anted IP mu lticas t routing protoc ols a s fol lows: ■ The IGM P sn[...]

5-4 C HAP TER 5: I NTERNET G ROUP M ANAGEMENT P R OTOCOL (IG M P) S NOOPING Figu re 5-2 shows t he for mat of a typic al IG MP snoo ping v ersion 1 messag e that is r ec eived after an IGMP snoopi ng query in a mult icast group has b e en co mplet ed. Figure 5 -2 Format of an IGMP V ersion 1 Mes sage When IGM P sno oping is running on a CoreBuilde [...]

Overvi ew 5-5 The r esult is that multic ast traf fic is fl o oded t hr ough a multicast group-sp ecific subset of th e swi tched f abric , nam ely t hat subse t th at contai ns either en d statio ns that h ave jo ined the gi ven mu lticast group, or mu lticast r o ut ers. The lo catio n of mu lticast g roup mem ber s is determ ine d by snoo ping o[...]

5-6 C HAP TER 5: I NTERNET G ROUP M ANAGEMENT P R OTOCOL (IG M P) S NOOPING CoreBuilder 500 0 Support The Co reBuilder 50 00 supp orts 46 I P mu lticastin g groups b y IP relay . I f no mul tica st router is de tecte d, t he Co reBuilde r 50 00 hub acts as an I GMP querier to a llow the netwo rk to deter m ine host s that ar e mem bers of a gr oup [...]

Enabl i ng IGMP S nooping on CoreBuil der 5000 Switch Modules 5-7 En ab ling I GM P Snoopi ng on CoreBuilder 500 0 SwitchM odul es IGMP sno oping can be e nable d on the f oll owing CoreBui lder 500 0 S wit c h M o du le s: ■ F TE Switch Module v1.2 ■ GigaF TE Swit chModules IGMP snoopi ng on a Cor eBuilder 5000 Switc hModule When you enable I [...]

5-8 C HAP TER 5: I NTERNET G ROUP M ANAGEMENT P R OTOCOL (IG M P) S NOOPING Figu re 5-4 shows a ty pical F TE D RAM a dd r e ss for warding e n try . Figure 5 -4 F TE D RAM Addres s Forwardi ng Entry Fram e T agging c an be set on a CoreBu ild er 500 0 Switch Mo dule after it is ena bled f or I GMP sno oping . FTE Address Forwarding Entry When IGMP[...]

6 T R O UBLESH OOTIN G This c hapter d escrib es: ■ Tro ubleshoo ting Us ing LEDs ■ Reco ver ing f ro m Pr oble ms ■ Resetti ng the ATM Back bo ne SwitchM od ule ■ Obt ain ing T e chni cal Assi stan ce T roubleshootin g Using L EDs This se ction i den tifies p ossible causes an d solu tions for A T M Ba ckb one Switch M odule L ED i ndic at[...]

6-2 C HAP TER 6: T ROUBLESHOOTING When yo u press the L ED test bu tton: 1 The Contr oller Module initiate s a test to all modules in the hub. All LEDs sh oul d respond by ligh ting co ntinuousl y fo r ap proxim atel y 5 s ec onds. 2 During thi s time, the bi -color LEDs s hould alter nate betwee n gr een and yell o w appr oximate ly every ½ seco [...]

Troubl eshooting Usi ng LEDs 6-3 Determ ining Corr e ctive A ction Table 6-2 iden tifies appr o pri ate corr ective actio ns for each base module LED i nd ica tion . Ta b l e 6 - 2 Bas e Module LE D Corr ective Actions LED LED State Po ssib le Ca u se Correct i ve Act ion MOD STAT Green Norm al o p era ti ng ind i ca ti on. None requ i red. Off No [...]

6-4 C HAP TER 6: T ROUBLESHOOTING T ro ublesh ooting A TM OC-3 Card LEDs This sec t ion explai n s ho w to r ead the A TM OC-3 car d LEDs an d det ermine ap propriate correct ive a ction The LE D s on the ba se mo dule and A T M O C -3 car ds func tion indepe nde nt of ea ch oth er . Table 6-3 identi fies p ossib le causes and corr ective ac tions [...]

Recov ering f rom Pr oblems 6-5 Reco vering fr om Prob lem s Use t he f ollow ing p rocedure to re cove r from opera ting problems or module fa ilure. Eac h of these steps is exp lained in more detai l in the se c t io n s t h a t fo ll o w. 1 V erif y that the DMM c an communi cate with the A TM Backbon e S wit c h M o du le 2 V e rify t ha t the [...]

6-6 C HAP TER 6: T ROUBLESHOOTING If the A T M Ba ckb one Sw it chMo dule mo del num ber is not li sted, try each of the follo wing corr ective ac tions : If the D MM c an c omm unic ate wi th th e A TM B ackbo ne Swi tchM odu le, pr oce e d to V e rif yi ng So ftw a re V e rsi on s . 1 Reset the A T M B ackbon e Switch Modu le b y pressing the Re [...]

Recov ering f rom Pr oblems 6-7 V erif yi ng Crit ic al Param eters V erif y th at th e setti n gs of the fo llowing c ritical par ameter s match th ose of th e A TM switch to which th e A TM Backbo ne Swi tchM od ule is co nnect ed: ■ UNI ve rs ion ( defau lt i s 3.0 ) ■ LEAR P Qu iet T ime (d efaul t is 5 sec onds) ■ Co nfi gur ati on m ode[...]

6-8 C HAP TER 6: T ROUBLESHOOTING 3 Use the fo llowi ng command to check the f ollowin g SON E T statu s i ndica tors: CB50 00> show sone t <sl ot .phy _n um > stat us V erif y that t he displa y lists status is OK for the fol lowi n g indi c at ors: ■ Line C urrent Stat us ■ Secti o n Curr ent St atus ■ Path Curr ent Stat us 4 Rec o[...]

Recov ering f rom Pr oblems 6-9 4 Use t he f ollo wing c omm and to displa y v cc pa ram eter s: CB50 00> sh ow at m <s lot > vcc al l V erif y the fol lowi n g pa rameter s sett ings: ■ SIG is 0 /5 ■ IL M I is 0 /1 6 5 If n ece s sa ry , u s e th e fo llow i ng c o mm an d t o re se t the I L MI p ara me t e r: CB50 00> set a tm &l[...]

6-10 C HAPTER 6: T ROUBLESHOOTING 3 Use the foll ow i ng command to display th e LAN/E status of t he LEC: CB50 00> show bpor t_l ec <slo t.le c> stat us Check the i ndicati o n of the In terfac e State p aramete r . The possibl e st atus indi cations ar e: ■ Init ial ■ Co nfi gur e ■ Jo in ■ Bus conne ct ■ Operati onal I f the I[...]

Recov ering f rom Pr oblems 6-11 V erif yi ng Brid ging Conf igurat ion Use t he f ollow ing p rocedure t o ve rify t he bri dging co nfigu ratio n of t he A TM B a ckbo ne S witc hM odule: 1 Use the fo llowi ng command to display informati o n about t he LEC bridgi ng con figu ration. CB50 00 > sho w b ri dge _p or t <slo t.le c> v erbos [...]

6-12 C HAPTER 6: T ROUBLESHOOTING V e rifying A TM OC -3 Switc hove r If the R ed und ant A T M O C- 3 card doe s n ot beco me ac tive u pon failure of th e pr imary A T M OC- 3, use t he f ollow ing c omm and to ve rify t hat the PHY Automa tic Fail over param eter is Enable d : CB50 00> show modu le <slo t. phy> ve rb os e I f the PHY_Au[...]

Obtai ning Techni cal Assi stance 6-13 Obt a inin g T ech nica l As sista nce Y ou ca n receive assist ance f or i nstalling an d troubles hoot ing a n A T M Backb one Swi tchM odul e by call ing ei ther y our 3C om reseller or 3C om netw ork supplie r . Be prepared to supp ly a represen tative with the fol lowing infor mation: ■ Descr iption of [...]

6-14 C HAPTER 6: T ROUBLESHOOTING[...]

A S PECIF ICATIONS This appendix lists the followi ng sp ecif ications for the Cor eB uil der 5000 A TM B a ckbo ne Sw itchM odu les: ■ Env ironmenta l Specificati o ns ■ Mechanica l Sp ecif icati ons ■ Power Specif ic atio ns ■ AT M O C-3 Ca rd Fi be r O pti c Sp ec if ic a tio ns En vi ronm en tal Sp ec ifi ca ti ons T able A -1 l ists th[...]

A-2 C HAP TER A: S PECIFICATIONS Po we r Sp ec ifi ca ti ons T able A -3 li sts the A T M Bac k bone Switch Mo dule p ow er specific ations. AT M O C - 3 C a r d Fib e r O p ti c Sp ec ifi ca ti ons T able A -4 l ists the A T M Ba ck bon e Sw itch Modul e O C- 3 fibe r optic spec ificat ions. Ta b l e A - 4 A TM Backbone SwitchModule F iber Opt ic [...]

B T ECHN ICAL S UPPORT 3Co m p r ovi des ea sy ac cess t o te chn ical supp ort i nfor mat ion t hrough a vari ety of serv ices. This ap pendi x descr ibes th ese servic es. Infor mation co ntained in this app endix is co rre ct at ti me of publ ication. For the mos t r ecent i nformation, 3Com re commends tha t you a ccess the 3Com Corpor at ion W[...]

B-2 A PPE NDI X B: T ECHNI CAL S UPPORT 3C om F TP S ite Downlo ad drivers, p atches, s oftware, and MIBs across the Inter net from the 3Com publ ic F T P si te. This ser vice i s av a il able 24 hours a day , 7 days a week . T o c on ne ct to t he 3C o m F T P s ite , e n te r th e fo llo w in g in fo rm a ti on in to yo ur F TP client : ■ Hostn[...]

Suppor t from Your Net work Su pplier B- 3 Acce ss by Dig ita l M od em ISDN users ca n dial in to th e 3Com BB S using a digital mo de m for fast access up t o 6 4 Kbp s. T o acce ss the 3 C om BBS u sing I SDN, ca ll the following nu mber : 1 847 2 62 6000 3Com Fa cts Autom ated Fax Service The 3Com Fa cts automated fax servi ce pr ovides tec hni[...]

B-4 A PPE NDI X B: T ECHNI CAL S UPPORT When you co ntac t 3Com f or a ssistance, ha ve the fol lowi ng inf orma tion r eady: ■ Product m odel n am e, par t num be r , a nd serial num be r ■ A list o f system hardwa re and so ftwa r e , inc luding revision l evel s ■ Diagno stic err o r messa ges ■ Detai ls a bout rece nt c onfi gura tion c[...]

Re tu r nin g P r odu cts fo r R epa ir B-5 Retu rni ng Products fo r Rep ai r Before you se nd a p r o duct directly to 3 Com fo r repair , you m ust fir st obtai n an au tho rizati on n umbe r . P r o ducts sent to 3Com w ith out author ization num be rs w ill b e r et urn ed t o the send er u nopen ed, a t th e sender ’ s ex pense. T o obtain [...]

B-6 A PPE NDI X B: T ECHNI CAL S UPPORT[...]

I NDEX 1 I ND EX Numbers 3Com bull etin boar d ser vice (3Co m BBS) B-2 3Com F acts B-3 3Com Kno wledgeba se Web Se rvices B-1 3Com URL B-1 A ADMM ve rsion requ ir ed 3-2 Arc hitectur e 1-4 AT M cell co nstruc tion 2-6 Confi guring 3- 7 Fo rum LAN E 1 .0 1-4 Fo rum LE C MIB 1-4 For um spe cif icat io n co mp lian ce 1 -2 Forum UNI 3. 0 /3.1 1-4 MIB[...]

2 I NDEX H Har dware base c onfigurat ion 1-6 re dundant conf i gurat ion 1- 7 Hot sw appin g 1-3 I IEEE 802.1D 1- 4 802.1H 1- 4 802.3 1- 4 Spanni ng T r ee Prot ocol 1-4 Tr a n s l a t i o n 1 - 4 Ins talli n g sl ot re st ric ti o ns 1-8 In terf aces MIB 1-4 L LAN E confi guring 3-6, 3- 8 co nnections 2 -7 data e xchange 2-5 opera t ion 2- 9 Pr o[...]

I NDEX 3 Spanni ng T r ee Pr otocol IEEE 8 02.1D 1-4 Sp ecif ic atio ns AT M F o r u m 1 - 2 envir onment al A-1 mech anical A-1 power A-2 Stat us veri f yin g Br idg eport-LEC 3-9 Switc hChannel back plane de sc ri ptio n 1 -8 Switc hModules su pported 1 -3 Switc hover ve rify ing 6-1 2 T T echni cal assi stanc e obtai ning 6- 13, B-1 T echni cal [...]

4 I NDEX[...]

3Com Corpor ation L IMITE D W ARRANTY Cor eBu il der ® 5000 A TM Backbon e SwitchMod ule H AR DWAR E 3Com w arrants to t he e nd user (“Custome r”) t hat this hardwa re produ ct will b e free f rom de fects in workma nship a nd mat erials, und er nor mal u se and service, f or one (1) year f rom t he date of purc hase from 3Com or its author i[...]

W ARRA NT IE S E XCLUSIVE IF A 3CO M P ROD UCT D OES NOT OPE RA TE AS WA RR ANT ED ABOV E , CU STO MER 'S S OL E R EME DY F OR BREAC H OF THA T WARRANT Y SHALL BE REPA IR, REPL ACEME NT, OR RE FUND OF T HE PURCH ASE PRICE PA ID , AT 3C O M' S OP TI ON. TO T HE FUL L E X TE NT ALL OW ED B Y L AW , TH E F ORE G OI NG W ARRA NT IE S A ND RE [...]