3Com 3C16951 manuale d’uso

® http://www.3com.com/ Super Stack ® II Swit ch 1100 User Guid e 3C16950, 3C1695 1 Part No. DUA1695 -0 AAA04 Publ ished Apr il 1999 169 50u a. bk Page 1 Thur s da y, Ap ril 29 , 19 99 1: 28 PM[...]

3Com Cor poratio n 5400 Bayfr ont Plaza Santa Cl ara, Calif or nia 95052- 8145 Copyri ght © 199 9, 3Com T echnol ogies . All r ight s reserved . No part o f this do cume ntation ma y be reproduced in any for m or by a ny mea ns or used to make any deriva tive work (such as translat ion, tra nsforma tion, or adapta tion) withou t writt en permi ssi[...]

C ONTENT S A BOUT T HIS G UIDE Conventions 8 Related Doc umentation 9 Y ear 2000 Compliance 10 Documentation Comm ents 10 1 I NTR ODUC ING THE S WIT CH 1100 About the SuperStack II Switch 1100 12 Summary of Fea tur es 12 Switch 11 00 — F ront View De tail 13 Port Connections 13 LED s 14 Switch 11 00 — R ear Vi ew Deta il 15 Unit Information Lab[...]

iv Placing Units On T op of Each Other 25 St acking U nits 26 St acking T wo Units 26 St acking Up T o Four Un its 2 7 The Power -up Sequence 29 Connectin g a Re dundant Pow er System 29 Powering-up the Sw itch 1100 29 Checking for C orr ect Opera tion 29 Choosing the Correct Cables 30 Solving Pr oblems Indicated by LEDs 31 Managing the Switch 32 A[...]

v G LOSSARY I NDEX 3C OM C O RPORATION L IM IT ED W A RRA NTY EMC S TATEM ENTS 169 50ua. bk Page v Thurs da y, Ap ril 29 , 19 99 1: 28 PM[...]

vi 169 50ua. bk Page v i Th ur s day , Ap r i l 29, 19 99 1:28 P M[...]

A BOUT T HI S G UI DE This gui de pro vides all the inf ormation you need to install and use a Super Stack ® I I Swit ch 110 0 un it with def ault set tings. I f you want to chan ge t he way t he S wit ch w orks us ing m anage men t softwa r e, r efe r to the “Su perSt ack II Switc h Management G uide” (par t number DUA1695 -0 BAA0x ). The gu [...]

8 A BOU T T HIS G UI D E Conve ntions T able 1 an d T ab le 2 list co nven tions th at are used t hrougho ut th is guide . Ta b l e 1 Notice Icons Ic on Notice Type Descripti on In form at io n no te In form atio n that d esc rib es i mp orta nt fe atu res o r ins truc tio ns Cauti on Info rmat ion th at ale rts y ou t o potent ial loss of d ata or[...]

Relat ed Docu mentati on 9 Related Do cumen tati on In addi tion t o thi s guid e, ea ch Sw itch 1100 do cu ment set in cludes t he fo llow i ng : ■ Ma nagemen t G uide (Pa rt N umbe r DU A1695- 0BA A0x) This gu ide contai ns all the ma nagem ent inform ation for the Swi tch. ■ Quick Refe rence Guide (Part Number DQA1695-0AAA0x) This g uide con[...]

10 A BOU T T HIS G UI D E I n additi on, ther e ar e o ther publicat ions y ou may find use ful: ■ Documentati o n accompan ying the Ex pansion Modules . ■ Document ation ac companying th e T ransceiv er Module s. ■ Doc umen tation a ccom pany ing t he Ad vanc ed Redu nda nt Po wer System. Y ear 2000 Compli ance For in form atio n on Y ea r 2[...]

1 I NTR ODUCING THE S WITC H 1100 This c hapter c ontains int roducto ry info rmation abou t the Swit ch and how it ca n be u sed in y our ne tw ork. I t cover s the f ollow ing topi cs : ■ Abo ut th e Su perSt ack I I Sw itch 11 00 ■ Switch 11 00 — Front View D e tail ■ Swi tch 1100 — Rear View Detail ■ Netwo rk C onfig uration Exam pl[...]

12 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Ab out the Su per Sta ck II Sw itch 110 0 The Supe rStack ® II syste m solve s the problem o f growth i n dynami c netw ork en vironm ents an d provide s ever ythi ng you nee d for suc cessf ul wor kgroup ne tworki ng. M uc h more than a col lect ion o f stacka ble componen ts, the s ystem comprises a c[...]

Switc h 1100 — Front View Detail 13 Sw itch 11 0 0 — Fr o nt Vie w Deta il Figure 1 Switch 1100 — Front view Port C onnec tions 10BA SE-T P orts The Swi tch has 12 or 24 10BASE- T ports co nfigur ed as MDIX (cr oss-o ver). The ma xim um se gmen t leng th is 100m (3 28ft) over Cate gory 3 , 4, or 5 twist ed pair cable . As these p orts ar e co[...]

14 C HAPTER 1: I NTRODUCING THE S WITCH 1100 LE Ds Ta b l e 3 lists the LEDs vi sible o n the fr ont of th e Switch, and their st ates acco r d ing to c olor . F or inf orma tion on using the LEDs for proble m solving, see “ Checki ng for C orr e ct Operat ion ” on pa ge 29. Ta b l e 3 LED behav ior LED Color Indica tes TCVR Yellow Por t 1 is a[...]

Sw itch 1100 — Rear Vi ew Det ail 15 Swi tc h 11 00 — Rea r View Deta il Figure 2 Switch 1100 — Rear view Unit In fo rmatio n Label This la bel shows the following: ■ The 3C om p r o duct name of the S witch ■ The 3Com 3C numb er of the Swit ch ■ The uni que MAC addre ss (Ethe r net add ress ) of the Swit ch ■ The ser ial number o f t[...]

16 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Expans i on Modu le Slot Y ou can use thi s slot to install an Expansi on Module; for e xample, a 100BA SE- FX M odule t hat provide s an add itiona l high -sp eed lin k, or a Ma trix Modu le that provide s four matrix ports for sta cking Sw itch u nits toge ther . 3Co m p r ovi des a r ange o f Ex pansi[...]

Network Conf igura tion Ex ample s 17 Net work Config uration Exam ple s The f ollowi ng illu stra tions s how some example s of how the Swit ch c an be placed on y our ne twor k. Ne twork Se gm en ta ti on I Figu r e 3 shows how t he Swi tch 1 100 fits into a la rge cor pora te ne twork wi th a Fa st Eth er ne t in fr a str uc ture . A S w itch is[...]

18 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Ne twork Segme ntatio n II Figu r e 4 shows the Swit ch 1100 i n a sec ond w orkgroup situatio n. Th is setup co uld b e th at o f a sma ll office w ithin a large c orpor ation , or p art of a large r co rporat e net wor k. Most of th e switch po rts have m ul tiple endsta tions. Figure 4 Using the Switc[...]

Network Conf igura tion Ex ample s 19 Des kto p Switch ing Figu re 5 shows the Switch 110 0 used for a g r oup o f use rs in a large corpo rate netw ork. H er e swi tching is brought to the deskto p wit h a single endsta tion pe r po rt. Lo cal serv ers are co nnec ted vi a 100 Mbps F ast Ethe r net li nks. Figure 5 Using the Switch 1100 in a deskt[...]

20 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Config uration Rul es fo r Fast E t her ne t The t opolo gy rule s for 100 M bps Fast Et her net are sl ightly di ff erent to those f or 10 Mbps E ther net. Fi gure 6 illus trates th e key topolo gy rules an d pr ov ides examp les of how they allow fo r larg e-scale F ast Et hernet netw orks. Figure 6 Fa[...]

Config urati on Rules with Full Dupl ex 21 The key to pology r ules ar e: ■ Ma ximum UTP c able l eng th is 100m (3 28f t) ov er Cat egory 5 cab le. ■ A 412 m (1352f t) fiber run is al lowed for conne cting swi tch-to-sw itch, or endst ation -to-sw itch , usin g half-du ple x 100BA SE-FX . ■ A tot al ne twork spa n of 325m (1 066 ft) is a llo[...]

22 C HAPTER 1: I NTRODUCING THE S WITCH 1100 1695 0 ua. bk Pa ge 22 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M[...]

2 I NSTALLI NG TH E S WITCH This ch ap ter co ntain s the inform ation y ou ne ed t o insta ll and se t up t he Swi tch. It cover s the fo ll owing to pics: ■ Choosing a Suitable Si te ■ Rack- mo unti ng ■ Placi ng Units On T op of Eac h O th er ■ Stack ing Units ■ The Power -up Sequenc e ■ Cho osing the C orr ect Cable s ■ Solvi ng P[...]

24 C HAPTER 2: I NSTALLING THE S WITCH Choosin g a Suita ble Si te The Swit ch is suite d for use in an of fice en vir onment whe re it can be mount ed in a standa rd 19- inch eq uipm ent rack , or free stand ing. Alternativ ely , the Swit ch can be rac k-mounte d in a wirin g closet o r equipm ent r o om. A r ack -moun ting k it, cont aini ng two [...]

Plac ing Unit s On T op of Each Othe r 25 Figure 7 Fitting a brac ket for r ack mounting 3 In se rt th e th ree sc rew s an d t ig ht e n w ith a s ui tab le sc rew d riv er . Y ou must use the sc rews sup plied with the mountin g bracket s. Damage caused to the uni t by using incorrec t scr ews inval idates y our w arrant y . 4 Repea t step s 2 an[...]

26 C HAPTER 2: I NSTALLING THE S WITCH Sta cki ng Un its Unit s in the Switch 11 00/3300 fam ily ca n be stack ed toge the r and t hen tr eat ed as a single man ageable unit with one IP ad dres s. Y ou can stac k Switch unit s toget her in two ways: ■ The matr ix port o n th e rear of the Switc h allo ws you to co nnect two Swi tch units b ack-to[...]

Stack in g Unit s 27 Figure 8 A stack of two units Stac king Up T o Four Units Y ou can stac k up to fou r Switch unit s with a s ingle Su perSta ck II Switc h Ma trix Modu le and the app r opr iate num be r of M atrix Cable s. Y ou only need one Matrix Module for each stac k. T o stack up to fo ur Swit ch units: 1 Power -of f al l the units . 2 Ar[...]

28 C HAPTER 2: I NSTALLING THE S WITCH 5 If you u se th e mana gem ent software of the uni ts: ■ Ensure tha t all th e unit s hav e the same ve rsion o f m anage men t software ■ Ensu re th at you r e-config ur e the stac k-wi de featur es o n all the u nits For m ore info rmation about m anageme nt so ftwa r e, see “ M anagi ng the Swi tch ?[...]

The Power-up Se quence 29 Th e Pow e r - up Seq u enc e The f ollow ing sect ions descri be how to get you r Swi tch 110 0 powered- up and ready for operat ion. Co nnecti ng a Redund ant Pow er Syst e m Y ou can c onn ect a Super Stac k II Ad vanc ed Red und ant Po we r System (part number 3C16071) t o the Switc h. This unit , which is als o known [...]

30 C HAPTER 2: I NSTALLING THE S WITCH I f ther e i s evid ence o f a pr ob lem, se e “ S olving Problem s Indica ted b y LEDs ” on pa ge 31 . Choosin g the Correct C ables All of the ports on the fr o nt of t he Switc h 1100 are c onfig ur ed as MDIX (c ro ss-over ). If you wan t to make a connect ion to anoth er MDIX p ort, you need a c ross-[...]

Solvi ng Probl ems I ndicat ed by LEDs 31 Solving Problem s Indicated by LEDs If the LEDs on the Switch in dicat e a pr oblem , r efe r to Ta b l e 5 whic h contai ns a list of possibl e p r oblem s and sugge sted sol utions. Ta b l e 5 Pr oblems indica ted by LEDs Prob lem Suggest ed Solut ion A Power L ED d oes not light Check t ha t th e p ower [...]

32 C HAPTER 2: I NSTALLING THE S WITCH For in forma tio n ab out solv ing p r o blems wh en man agi ng the Sw itch , refer to t he Pr oblem So lvin g chapter in th e “SuperSta c k I I Switc h Management Gu ide” (DU A 1695- 0BAA 0x) . Manag ing th e Sw itch The S witch contai ns sof tware that allo ws yo u to chan ge and monitor the way it wo rk[...]

A S AFETY I N FORM ATION Y ou must read the follow ing saf ety in formati on be fore carryi ng out any install ation or removal of c ompone n ts, or an y m aintenan ce proc edures on the Switch 110 0. WARNI NG : Warning s co ntain direct ions that yo u m ust fo llow for your per sonal sa fety . Fo llow all dir ectio ns care fully . Y ou must read t[...]

34 A PPENDIX A: S AFETY I NFORM ATION Importa nt Safe ty In formati on ■ Install ation and remo val of the uni t mu st be ca rried ou t by qua lified pers onnel o nly . ■ If in stallin g the Switch uni t in a stack with SuperSt ack II Hub units , the Switch 11 00 uni t must be inst alled below t he nar r ow er Hu b uni ts. ■ The un it sho uld[...]

Imp or ta nt S afe t y In form at io n 35 ■ Franc e and Peru only: This un it ca nnot be p owered from IT† sup plies. If y our sup plies are of IT ty pe, thi s unit mu st b e powe red by 2 30V (2 P+ T) via a n isola tion transf ormer ratio 1:1 , wi th the secon dary co nnec tion point l abelled Neut ral, c onnected di r ectly to e arth (g r ou [...]

36 A PPENDIX A: S AFETY I NFORM ATION L ’ informat ion de Séc uri té Impo rtan te ■ L' install ati on et la dépo se de ce gr oupe doiven t êtr e confi és à u n pers onnel q ualif ié. ■ Si vo us entas sez l'unité Swi tch avec les unit és SuperStac k II Hub , l'unit é Switch 110 0 do it être instal lée en dessous des [...]

L’i nfor mat ion de S écur ité Import ant e 37 ■ L ’ap par eil fonc tionne à une tensi on extrê mem ent ba sse de sécurité qui est conf orme à la no rm e CEI 950. Ce s cond itions n e sont ma intenu es que si l 'équipem ent auquel il est rac cordé fon ctionne da ns les m ême s condi tions. ■ Franc e et Pér o u uniqu ement: C[...]

38 A PPENDIX A: S AFETY I NFORM ATION Wi ch ti ge Sicherh eitsinfor mat ion en ■ Die In stallation und der Ausbau des G eräts da rf n ur durch Fach per sonal erfol gen . ■ W enn die Switch 1 100 Einheit i n ein er Stap el mit ander en Super Stack II Hub E inh eiten e ingebau t werden soll, muß di e Sw itch 11 00 Einheit unter die schm a leren[...]

B P IN - OU TS Nu ll Modem Cable 9-pin t o R S-232 25 -p in PC -A T Se ri al C a ble 9-pin t o 9 -pin 1695 0 ua. bk Pa ge 39 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M[...]

40 A PPENDIX B: P IN - OU TS Modem Ca ble 9-pin t o R S-232 25 -p in RJ45 P in Assign me nts Pi n assignments are id entical f or 10BASE-T an d 100BASE-TX RJ4 5 co nnector s Ta b l e 6 Pin as sign ments Pin Number Signal Funct io n Ports conf igu red as MDI 1 TxData + Tra nsmit dat a 2 TxData – Tra nsmit dat a 3 RxD ata + Receiv e Data 4 Not as s[...]

C T ECHNI CAL S P ECIFICATIONS Physic al Dimensio ns He ight: 76mm (3.0 in.) x Width: 483mm (19 .0 in.) x Depth 300mm (12. 0 in.) Weight : 4.4kg (9 .7lbs ) Envir onment al Requir emen ts Ope rati ng T emperat ure 0° to 50 °C ( 32° to 122 °F) St ora g e T em p erat u re –10° to +70 °C (14° to 158 °F) Operat ing Humidi ty 10 t o 9 5% re lat[...]

42 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standar ds Support ed SN MP SN MP prot ocol ( RF C 1157) MIB-I I (RFC 121 3) Bri dge MIB (RFC 1493) Repeat er MIB ( RF C 1516) VLAN M IB (RFC 15 73) RMON MIB (RFC 1271) BOOTP ( RF C 951) T erm inal Emulat ion ■ Telnet (RFC 85 4) Pr otocols Used for Administra tion ■ UDP (RF C 7 68) ■ I P (R FC 79 1) [...]

D T ECHNI CAL S UPPO RT 3Co m provide s eas y acce ss to t echn ical supp ort i nforma tion t hrough a vari ety of serv ices. This ap pendi x descr ibes th ese serv ices. Infor mation co ntained in this app endix is co rre ct at ti me of publ icati on. For the mos t r ecent infor mation, 3Com r ecommen ds that you acce ss the 3Com Corpor at ion W o[...]

44 A PPENDIX D: T ECHNICAL S UPPORT 3C om F TP S ite Do wnload drivers, patc hes, software, and MIB s across the Inter net from the 3Com publ ic F T P si te . Thi s se rvi ce is av ail abl e 24 ho urs a d ay , 7 day s a week. T o c on n ect to t he 3C o m F T P s ite , e n ter th e fo llo wi ng i nfo rm a tion into yo ur F T P client : ■ Hostname[...]

Suppor t from Your Net work Su pplier 45 Acce ss by Digi ta l Mo dem ISDN users ca n di al in to the 3Com BB S using a di gital mo dem f or fa st access up t o 64 K bp s. T o acce ss the 3Com BBS usin g ISD N, ca ll the following nu mber : 1 847 2 62 6000 3Com Fa c ts Autom ated Fax Service The 3Com Facts automated fax servi ce pr ovides technical [...]

46 A PPENDIX D: T ECHNICAL S UPPORT When you co ntact 3Com for a ssistance, have the foll owing inf orma tion r eady: ■ Product m odel n ame , part num ber , and serial num be r ■ A list o f system hardware an d softw ar e, inc luding revision l evels ■ Diagno stic error messa ges ■ Detai ls abou t recen t conf igur ation chan ges, if appli[...]

Retu rning Pr oduc ts for Re pair 47 Retu rning Products fo r Rep ai r Before you send a produc t directly t o 3Com fo r repair , y ou m ust fir st obtai n an au thoriz ation n um ber . Products sent to 3Com wi thout author ization num ber s will b e return ed t o the se nder u nopen e d, at th e sender ’ s ex pense. T o obtain an au thoriz ati o[...]

48 A PPENDIX D: T ECHNICAL S UPPORT 1695 0 ua. bk Pa ge 48 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M[...]

G LOSSARY 10B A SE- T The IEE E specific ation for 1 0Mbps Ether net ove r Ca tegor y 3, 4 or 5 twist ed pai r ca ble. 100B A SE-FX The IEEE spec ifica tion for 100 Mbps Fast Et hernet over fib er -opti c cab le. 100BA SE -TX The IEEE spec ifica tion fo r 100Mbps Fast Et hernet over Categ ory 5 t wi ste d- pai r ca ble . auto- negoti at ion A fea t[...]

50 G LOSSARY broa dc ast st or m M ult iple sim ultaneous br oad casts th at typic ally ab sorb all th e available netw ork ba ndwidt h and ca n cau se a ne twor k to fail. Broadc ast stor ms c an be d ue t o fa ul ty net wor k de vice s. coll ision A term used to de scribe two co lliding pack ets i n an Ether ne t netwo rk. Collision s are a pa rt[...]

G LOSSARY 51 hub A device that r egene rates LA N tra ffi c so th at the tr ansmiss ion d istanc e of t hat signal can be extended . Hubs ar e similar to rep eaters , in that they con nect LANs of the same ty pe; however they connect mor e LANs than a r epeat er and ar e gener ally mor e sophi sticat ed. IEEE I nstitute of Electri cal and Elec tr o[...]

52 G LOSSARY MAC addr ess M edia Ac cess Con tr ol address; also c alled hardware or phy sical address. A laye r 2 a ddress asso ciated with a pa rticular net work device. Mo st devic es th at conn ect to a LAN have a M AC address assigne d to the m as they ar e used to identi fy other dev ices i n a network . MAC addres ses ar e 6 bytes lo ng. MDI[...]

G LOSSARY 53 SN MP Si mple Networ k Mana gement Pro tocol. The curr ent IETF st andar d protoco l for m ana ging devices o n a n T CP/IP netwo rk . stack A grou p of net wor k devi ces tha t are integ rated t o form a sin gle logi cal devic e. swi tch A dev ice t hat in terconnect s sever al LAN s to form a singl e logic al LA N that comprises o f [...]

54 G LOSSARY 1695 0 ua. bk Pa ge 54 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M[...]

I NDEX Numbers 10BASE- T por ts 13 10BASE- T/ 100BASE- TX ports 13 3C nu mb e r 15 3Com b ullet in boar d serv ice (3 Com BBS) 44 3Com K nowledgeb ase Web S ervi ces 4 3 3Com URL 4 3 3Co mFacts 45 A auto- neg otiatin g por ts 13 B bu lletin boar d service 44 C cab le choos ing the cor rec t 30 Matrix 16 maximum lengt h 13, 21 pin- outs 39 conso l e[...]

56 I NDEX RJ45 40 ser ia l c abl e 39 pin- outs 39 po rts 10BASE- T 13 10BASE- T/ 100BASE-T X 13 au to-nego tiat ing 1 3 co nsole 15 matrix 16 powe r socke t 15 powe ring-up a S w it ch 1100 29 pr oduct name 15 R rack mounti ng a Sw itch 1100 24 Redunda nt Po wer Syst em. See RP S re turning p roduc t s for re pair 47 RPS 15 co nnecti ng 29 soc k e[...]

3Com C orpor ati on L IMITED W ARRANT Y S UPER S TACK ® II S WITCH 1100 H ARDWA RE 3Com w arrants thi s hardwa re prod uct to be f ree fro m defect s in work manship a nd mat erials, und er norma l use a nd service, for the f ollowing l engt h of time f rom the d ate of p urchase f rom 3Com o r its au thorized re se ll er : 3Com’s s ole oblig at[...]

days aft er the date of purc hase, and this is ve rified by 3C om, it will be conside red dead- o r de fec tiv e- on- arr i val (DO A ) an d a r ep la cem ent s hal l b e pr ovi ded b y ad v ance r epl ace me nt . Th e r ep lac eme nt product will norma lly be shipped not later t han thr ee (3) bu siness da ys after 3 Com’s veri ficatio n of the [...]

EMC S TATEMENTS FCC S TA TEMENT This equipme nt has be en test ed and fou nd to compl y with t he limits f or a Class A digita l device, pur suant t o part 15 o f the FCC rules. T hese li mits ar e designed t o provi de reas onable pr otection against harmful int erf e renc e wh en th e eq u ip men t i s op er ate d in a c om me rci al en vir onm e[...]

1695 0 ua. bk Pa ge 60 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M[...]