Manuale d’uso / di manutenzione del prodotto 3C16630A del fabbricante 3Com
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S U P E R S T A C K II H U B 10 M A N A G E M E N T U S E R G U I D E M A N A G E M E N T M O D U L E (3C1 6630A) A D V A N C E D RM ON M O D U L E (3 C16 63 2) Par t No .
3Com C o rporation ■ 5400 Ba yfront P laza ■ San ta Clara, Cali fornia ■ 95052 -8 145 © 3Com I r e land 1996. All rights r e served. No part of this documenta tion may be re prod uced in an y f.
C O N T E N T S A B O U T T H I S G U I D E A Wor d about Safet y vii Ab ou t th is Us e r Gu ide v ii How to Use This Guide ix Ot her Useful Publica tion s ix Special Me ssages xi Convent ions x i Te.
Connec ting Man agement Equipmen t to the Serial Port 2 -8 Connec ting a VT1 00 Term inal 2-8 Connec ting a VT1 00 Terminal Emula tor 2-8 Conn ect ing a Work sta tion Runn ing SL IP 2 -9 Mana ging o v.
Un it St a ti st ic s 3 -3 1 Unit Setup 3 -33 Port St atist ics 3 -35 Port Set up 3-3 6 Port Resilien c e 3-39 Re mo te Po l l 3- 44 Stat us 3- 45 F ault Log 3- 47 Res et 3 -48 Initializa tion 3- 4 9 .
C T R O U B L E S H O O T I N G D S T A T I S T I C S E RMON A N D A D V A N C E D M A N A G E M E N T Wha t is RMON ? E-1 Benefit s of R MON E-2 3Com Tran scend RMON Sma r t Agen ts E- 2 The Supe rSt.
A B O U T T H I S G U I D E A Word about Saf ety Please pa y carefu l att ention to th e Wa rning and S afety Informat ion panels t hat appear t hroug hou t this guid e. These p anels g ive inform ati on tha t w ill p r o tec t YO U and the SuperS tac k II equipmen t.
vii i A B O U T T H I S G U I D E situa ti ons. If you are a lrea dy fam iliar with network man agement you will be able to skip s o m e of the i nforma tion i n t he guid e and u se th e informa tion give n for referen ce purpo ses. Th e guide a ss umes t hat you are f amiliar w ith VT 100 terminal s, mode ms, PC s a nd SN MP.
How to Use Th i s Guid e ix How to Us e This Guide The f o llowin g list sh ow s where t o fi n d spec ific in formati on. Other Us ef ul Publications F o r informa t ion o n i nstallin g Supe rStac k II, L ink builde r FMS and FM S II hubs, ple ase refer to the user gu ide wh ich a ccom panied the h ub.
x A B O U T T H I S G U I D E Transcend Wor kgroup Manag er for Windows (P ar t No . DU A1 500- 0AAA 0X) Tran scend Enter prise Ma nager for Win dows (P ar t No .
Special Mes sage s xi Special Mes sages A specia l form at ind ica tes notes, cautio ns, a n d w arnings. Th ese messag es a re defin ed as follow s. Notes cal l a ttenti on to impo rtant f ea tures o r instru ction s. CA U TION: C aut io ns c onta in di re cti ons th at y ou must fo llo w t o avoi d imm ed ia te sys tem dam age or los s o f da ta.
xi i A B O U T T H I S G U I D E Ter m in olog y Th e followi ng te rms and ab bre vi atio ns a r e used in th is g uide: Flash EPROM Electrically Erasa ble Programm able Read-Only Me mory IETF Int er.
1 I N T R O D U C T I O N Overview T he Mana g em e n t Mo d ul e and Adv a n c e d R M ON Module ar e SNMP -confo rman t, slide-in modu les tha t c an ma nag e an entire stack of units. S m artAgen t software in th e M odule s automa t ically gath er a nd colla te i nforma tion abou t the sta ck.
1- 14 C H A P T E R 1: I N T R O D U C T I O N D UA1 66 3-0 BAA 03 sent to th e ma nag ement sta tio n if critica l thresholds are ex ceeded . You can use SNMP running over the IP or IPX pr o toc ols. ■ By c onnec ting a VT10 0 termin al (or wo rkstat ion w ith termi nal emula ti on softwa re) to t he serial po rt on the M o dule.
SuperStac k II Hu b 10 Management Module 1- 15 DUA1 6 63 -0BAA03 A s tac k can con si st of u p to e ig ht un its li nke d toge th er w ith hu b expan sion ca bles (3C 625). A sta ck b eha ves as a sing le Ethernet repea ter. Only on e M anag ement M od ule or A dvanc e d RM ON Module is need e d t o m anag e the s ta ck.
1- 16 C H A P T E R 1: I N T R O D U C T I O N D UA1 66 3-0 BAA 03 Sup erStac k II Hub 10 unit s s u pport a n option al, redunda nt backu p p ower supply tha t can help t o reduce tota l powe r fa ilures. The module supports all nine groups of RM ON.
2 I N S T A L L A T I O N A N D S E T U P F O R M A N A G E M E N T Saf ety Information WARNING : P leas e read the followi ng safety informa tion bef ore i nsta lli ng t he Mana geme nt Mo dul e or Ad vanced RMON Module . Install atio n and removal of eith er Mo dule s houl d be c arr ie d out by quali f ied pers onnel on l y .
2- 2 C H A P T E R 2: I N S T A L L A T I O N A N D S E T U P F O R M A N A G E M E N T D UA1 66 3-0 BAA 03 Modu le” o n page 1- 15 l ist s t he un it s int o wh ic h y ou ca n in stall t he m odule. To c omplete t he install atio n, you w ill need a smal l cr oss-bl a d ed screwdriver.
Inserting th e Hub 10 Modul e 2- 3 DUA1 6 63 -0BAA03 Re movin g t he Bla nki ng Plat e fr om the Hub 10 Unit 1 Remo ve the Man ag ement M odu le b lankin g pla t e from the rear panel of the un it by un screwing th e three retainin g scre ws (see F igu re 2-1).
2- 4 C H A P T E R 2: I N S T A L L A T I O N A N D S E T U P F O R M A N A G E M E N T D UA1 66 3-0 BAA 03 Figu re 2-2 Inserting Th e Hub 10 M odule WARNI NG : D urin g ins talla tion , b oth th e ins ert/ remo ve tab and th e li p on th e connector m us t be faci ng the m odule ’s printed c ircuit b oa rd (see F i gu re 2-3 ).
Inserting th e Hub 10 Modul e 2- 5 DUA1 6 63 -0BAA03 5 Secure t h e module usin g the s uppli ed l onger screw a nd wash er on the left-han d sid e of t he c over, and the two o rigin al retain ing screws on the rig ht-ha nd sid e of the c over. 6 Return you r Hu b 1 0 u nit to i ts us ual posit ion.
2- 6 C H A P T E R 2: I N S T A L L A T I O N A N D S E T U P F O R M A N A G E M E N T D UA1 66 3-0 BAA 03 Power Up S equence W hen a n y u nit i n th e sta ck is po we red up , th e M odule wi ll rese t all th e un its i n the stac k.
LEDs and Reset Butt on 2- 7 DUA1 6 63 -0BAA03 LEDs and R ese t Button Tw o LE Ds in dicat e th e st ate of the M odule : a r ed /green LED on the front pan el of the mana ge ment u nit and an amber LED at t he rear o f th e M odu le. The Reset button is situa ted at the rear of the M odu le.
2- 8 C H A P T E R 2: I N S T A L L A T I O N A N D S E T U P F O R M A N A G E M E N T D UA1 66 3-0 BAA 03 Connecting M anagem ent Equipment to the Serial Port Th is sectio n desc ribes how to connec t a n d s et up equipment to co mmuni ca te w ith the M od ule via the seria l p ort (ou t-of-ban d m anag ement) .
Managing ov e r th e Network 2- 9 DUA1 6 63 -0BAA03 If you are u sing a PC, y ou n e ed a nul l modem cable wit h an appropria te con nec tor. Th e M odule au toma tically confi gures it s baud ra te to th at o f t he terminal emula tor, a s describ e d abo ve.
2- 10 C H A P T E R 2: I N S T A L L A T I O N A N D S E T U P F O R M A N A G E M E N T D UA1 66 3-0 BAA 03 Qu ick Star t f or S NMP Man age men t User s Th is sectio n desc ribes b riefl y h ow to get started if you wish to use an SNM P man age r , on ce yo u have instal led an d powered u p the M odule .
Managing ov e r th e Network 2- 11 DUA1 6 63 -0BAA03 To set u p Teln et c ommuni cati on s, you first need to conn ect t o th e M odul e using seria l port a ccess and enter certain pa rame t ers. If you wish to use the V T 1 00 interfa ce to set up pa rameters inclu ding trap ad dresses, perform t he followin g steps.
2- 12 C H A P T E R 2: I N S T A L L A T I O N A N D S E T U P F O R M A N A G E M E N T D UA1 66 3-0 BAA 03 T o man age th e st ack w ith a n SNM P netw ork mana ger fr om ano ther vendo r, yo u need to use t he appropria te M IB file .
3 U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E Introduction This chapter st arts with an ove r vi e w of the VT100 user i nter f ace. I t describes th e screens an d how to na viga te b etween them. A m ap of all the screen s is give n, to help you to access any c hosen sc reen.
3 - 2 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Figu re 3-1 An Example S cr een Screen s are divi ded into three main a reas: ■ Th e hea der area, a t th e top of th e screen, d isplays a title whic h t ells you the subjec t of th e screen.
User In terface 3 - 3 DUA1 6 63 -0BAA0 3 Table 3 -1 Scre en Comp one n ts Com ponen t Typ e Descr i pt i o n ◆ E n abl ed ◆ Choice Field Text enclose d in markers is a list, from which you can sele ct one option only. To cycle throug h the options, pres s [Space].
3 - 4 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 S pecia l Keyst roke s As we ll as the keystrokes d escribed above, there are several ot her keystrokes for c ontrolli ng the VT100 in terfac e.
User In terface 3 - 5 DUA1 6 63 -0BAA0 3 Sc reen Ma p This dia gram sho ws how the menu s are relat ed to e ach oth er..
3 - 6 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Gettin g Started Th is sec tion c overs log ging on to th e f acili ty, d ispla ying the ma in menu an d logg in g of f.
Gettin g Started 3 - 7 DUA1 6 63 -0BAA0 3 I f you ca nnot see the main bann er or it displ ays i n correctly, i t ma y be th at : You r termin al i s not config ured as a VT100 termina l .
3 - 8 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 If yo u are lo gging on for th e first ti me (a fter insta lla tion or in itializa tion ), use on e of the default user names a nd password s sho wn in Table 3- 2 .
Gettin g Started 3 - 9 DUA1 6 63 -0BAA0 3 Mai n Men u The Main M enu sc reen is i llustrat ed belo w. Figur e 3- 4 Ma in Men u If you are u sing t he ma nag ement fa cility f o r th e first ti me, w e su g gest th at y ou : ■ Set up log on s for any oth er users and a ssign e ach use r an app ropria te security le v el.
3 - 10 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Au to L o g out Th er e is a bui lt-in sec urity timeout on t he VT 100 inter f ace. If you do not press any keys fo r three m inutes, th e m anagemen t fa cility wi ll warn you th at th e i nac tivity t imer is about to expire.
Setup 3 - 11 DUA1 6 63 -0BAA0 3 Figur e 3- 6 Setu p Scre e n MAC Address (Rea d-only) The MAC a ddress of the M odule . This cann ot be ch ang ed. Device IP Address ( Text Field) If using IP, you wil l need to en ter a unique I P add ress f o r the sta ck.
3 - 12 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 If you enter a S LIP a ddress, it sh ould show a different n etwork from the stac k that you ar e mana ging. Ch eck with yo ur network ad ministra tor if you are unsure.
Setup 3 - 13 DUA1 6 63 -0BAA0 3 Node (Read-on ly) This field sho ws the no d e a d d ress of th e repea ter stack , wh ic h is learned autom a ticall y. Statu s (Cho ice Field ) Ena bled / Disa bled This field shows wheth er the da ta link proto col is e nabled .
3 - 14 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Figu re 3-7 Trap Setup Screen IP or IPX Address ( Text F i eld) Enter the IP or IPX address of the remote netw ork m anageme nt stati on to wh ich S NMP t raps should b e se nt.
Setup 3 - 15 DUA1 6 63 -0BAA0 3 Se rial Port Se tu p You can acc ess the Seria l Port S etup screen by ac tua ting the SER IAL POR T button on th e Setup screen. Figur e 3- 8 Serial P ort Setup Screen If you alter th e serial port pa rameters and sel e c t O K, you will termi nat e any exist in g sessi on usin g the seria l p ort.
3 - 16 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 DSR Control (Choic e Fiel d) En abled / Di sabled If DSR Con trol is en abled, t he ma nagemen t p ort wi ll be l ogged o ut if DSR is d easserted.
User Acc ess Le vel 3 - 17 DUA1 6 63 -0BAA0 3 U ser A cc ess L e vel The User Access Le vel sc reen provid es a menu to ac cess fo ur further scre e ns.
3 - 18 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Local S ecur i t y You can access t he Local Security screen b y ac tua ting the L O CAL SECU RITY butto n on the User Access L evel scre e n. This option is av aila ble on ly for u sers with security access leve l .
User Acc ess Le vel 3 - 19 DUA1 6 63 -0BAA0 3 ■ Specia list - In this im plementa tion , Speci alist ha s the sa me right s as Manager . ■ Security - This l e v el of secu rity allows a user a ccess to a ll the mana gement ope r a t ions.
3 - 20 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Crea t e U ser You access th e Crea te User sc r een b y ac tua ting the C REA TE USER bu tton o n the Security screen . This option is a vail able on ly for u sers w ith security access le ve l.
User Acc ess Le vel 3 - 21 DUA1 6 63 -0BAA0 3 C o mmunity String ( Te xt Field) B y default, t he commun ity stri ng is the same as the U ser Name. Yo u can change t his s t ring if y ou wi sh, to a n y text strin g of up to 3 2 cha ract ers. The commun it y string is used only for SN MP acce ss .
3 - 22 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 N o use r can d irectly cha nge a nother u ser's pa ssword or com m u n ity strin g. If yo u are a system ad ministra tor a nd wish to cha nge an other user's pa sswor d, you wi ll need t o logi n as the o ther us er.
Repeate r Managem ent 3 - 23 DUA1 6 63 -0BAA0 3 eigh t units linked together b y h ub expansi on ca bles to form a sin gle, logical repe ater. ■ Unit - If you man age a t Unit level, you are m anagin g or viewin g a si ngl e uni t in the s tac k. T his can b e a Hub 1 0, FMS , F MS II, 10B T or 10B Ti unit.
3 - 24 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Figu re 3-1 4 U sin g The R epe ater Mana ge men t Scr een Th e ex ample sc reen b elow sh ows the screen with p ort level m anag ement selec ted .
Repeate r Managem ent 3 - 25 DUA1 6 63 -0BAA0 3 Mana gement Le ve l (Cho ice Field) Repe ate r / Unit / Port Toggle to the level you wish to manag e. Unit ID ( Te xt Field) E nter t he id entifyi ng nu mbe r of th e unit you wish to m anage . The Un it ID is a dig it, and is displa yed b y th e Unit LED on the fron t o f ea ch un it.
3 - 26 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 STA TISTI CS (Butt on ) Move the c urs o r to this button and press [Retu rn] to move to the S tat istics screen fo r th e m anagemen t le vel y ou h ave cho sen.
Repeate r Managem ent 3 - 27 DUA1 6 63 -0BAA0 3 Fi g ure 3-16 Repe ater Sta tistics Scree n The screen is upda ted e very 3 seco nds. I f the to p limit o f a coun ter (42949 6 729 5) is r e a che d , the counter w ill roll-over (reset to zero automa t ically ).
3 - 28 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Figu re 3-1 7 Repea te r Setup S c reen Units Available (Rea d-only ) This f ield shows h ow many unit s are cu rrently insta lled in th e repe ate r sta ck.
Repeate r Managem ent 3 - 29 DUA1 6 63 -0BAA0 3 R esilien t L inks are o nly a va il able on twis ted pa i r and fib er opti c med ia, becaus e the link test pulse o r the i dle signal i s used to decide wh ether the l ink is b rok en an d the sta ndb y li nk sho uld b e activa ted.
3 - 30 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Th e Resili ence fe atu re is ava ila ble from V T100 , Transcen d o r ano ther SNM P M anager. Detai ls of h ow to u se t he Port R esilien ce screen a re give n in “Port R esilienc e” on pa ge 3-3 9 .
Repeate r Managem ent 3 - 31 DUA1 6 63 -0BAA0 3 STANDB Y Port This fie ld shows t he identifi er of the standby port. Pa ir Sta te This f ield show s th e state of th e resilient link pair. Possible values a re: ■ Ac tive - The li nk pai r is enabl ed, an d eith er th e mai n po rt or the standb y po rt is c apable of carrying tra ffic.
3 - 32 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Figu re 3-1 9 Unit Sta tistics Screen Th e screen is u pda ted e v ery 3 sec onds . If th e top limit of a c ount er (429 4 967 295) is reache d , t h e counter will roll-ove r (rese t to zero autom atic al l y).
Repeate r Managem ent 3 - 33 DUA1 6 63 -0BAA0 3 Unit Se tup You access t he Unit S etup screen from t he Re peat er Ma nagemen t screen, b y s elec tin g ma nag ement le vel Un it then a ctua ting the SET UP button . The Unit S etup screen is ill ustrated below .
3 - 34 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Unit Boo t State This field indica tes in what sta te the unit wil l boot up. O nly Hu b 10 an d FMS I I units ha ve a D is a ble o n Boot switch.
Repeate r Managem ent 3 - 35 DUA1 6 63 -0BAA0 3 page 3-37 to identify th e type o f transc eiver mo dule fitt ed. If the u nit has a shared A U I/tran sceiv er p ort, th is field sh ows AUI if n o transc eiver module is fitted . In o the r cases, Not Fitted is shown if no modul e is fitted in the slot.
3 - 36 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Media Type This fi eld indic ates th e media type of the p ort. See “M edia T ypes” on pa ge 3-3 7. So urce Ad d ress Changes This f ield shows th e number of differen t source ad dresses tha t ha ve b een received at t his port.
Repeate r Managem ent 3 - 37 DUA1 6 63 -0BAA0 3 The screen sh ow s th e followi ng f ields : Unit ID (Rea d-onl y) This fi eld sho ws th e un it to whi ch the p ort bel on gs. Port ID (Rea d-onl y) This fi el d sh ows the id entifier o f the port yo u selected to set u p.
3 - 38 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 below. Ot her units will displa y t h e Unau thorized De vice Action f ield describe d b elow . This fie ld provides a ccess to the security f e atu res from the seria l po r t in case yo u l ock y ourself out of in-ba nd man agement.
Repeate r Managem ent 3 - 39 DUA1 6 63 -0BAA0 3 You can en able o r disabl e the gene rat ion of link pulse sig nals fo r an individ ual po rt. In an 802 .
3 - 40 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Th e Port Re silie nce screen allows you t o crea te and de lete a resili ent link pai r (m ain li nk an d stan db y lin k), and to ch ange t he c onf igurat ion o f an e xistin g resi lient l ink pa ir.
Repeate r Managem ent 3 - 41 DUA1 6 63 -0BAA0 3 Fi g ure 3-23 Port Resilience Screen R ule s f or se ttin g up resi lie nt li nks A resi li en t pair canno t be set up thro ugh the VT 100 sc reens i f o n e or eithe r of the ports is a secur e port.
3 - 42 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 ■ Th e numbe r of resilien t link s per stac k must not e xceed 1 6. Resili ence works b y monit oring the fi ber receive i dle sig nal or th e 10B ASE-T link Test Pulse , to d etermine w het her or n ot t he ma in lin k is o peratio nal.
Repeate r Managem ent 3 - 43 DUA1 6 63 -0BAA0 3 Media Type (Rea d-o nl y ) T his field shows the medi a typ e for the stand by port. Refer to Ta bl e 3- 4 on page 3 -3 7 for the d ifferent media t y pes. Link S tate ( Read- onl y) This f ield show s th e c onnec t ion sta te o f the stand by port.
3 - 44 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 W hen yo u con figu re a resi lient l i n k p air, th e ma nagem ent fac il i ty w ill a utom at ica lly en able L ink Pul se gene ra tion (see “Port Setup” on pag e 3-36 ) f or b oth po rts.
Stat us 3 - 45 DUA1 6 63 -0BAA0 3 Target Address ( Text Field) Enter the IP or IPX a ddress of th e device to poll. Round Trip Time (Rea d-onl y) Th is is the interval in mill isecond s between th e time th e last f rame wa s sent to t he ta r g et device a n d t he time a response was rece ived by the Mo dule.
3 - 46 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 b e useful t o you r tech nical s u pport representa tive i n t he event of problems. Las t Res et Type Th is field ind ica tes the c ause of the last reset.
Stat us 3 - 47 DUA1 6 63 -0BAA0 3 F a ult Log The F ault Log screen displa ys r ea d-onl y inform atio n about th e log, which is upda ted whenever a n abnorma l cond ition is detec ted. Fi g ure 3-26 F a ult L og Screen Rese t Cou nt This field displa ys th e numb er of resets r ecord e d a t the time of the fault .
3 - 48 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 Re set If yo u suspect tha t th e stac k is not func tion ing c o r rectly in the w ay y ou ha ve con figured it , you can reset th e enti re sta ck from th e Reset screen.
Initiali z ation 3 - 49 DUA1 6 63 -0BAA0 3 Initiali zation This operatio n is only availa ble to users with security acc ess le vel. The initia liza tion opera tion perform s a r eset as describ ed in “Reset” on page 3-48 , and i n ad dition returns t he NVRA M to its ini tial va lues.
3 - 50 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3 S of tware Upgrade Th is option is only a vai labl e to users w ith security access le v el.
Software Upgrade 3 - 51 DUA1 6 63 -0BAA0 3 wrong ima ge. Y ou must pla ce th e ima ge file w here it i s a ccessible to the TFT P loa d request . Check wi th your system a dministra tor i f you a re unsure w here to place the image file . Y o u m ay w ish to down load th e file from a noth er d irectory.
3 - 52 C H A P T E R 3: U S I N G T H E VT100 M A N A G E M E N T I N T E R F A C E D UA1 66 3- 0BAA 0 3.
A T E C H N I C A L I N F O R M A T I O N , C A B L E P I N -O U T S A N D P R O T O C O L S Standards The Su perSta ck II Hub 1 0 Mana geme nt Modul e and the Ad vanced RMON Mo dule are desig ned t o meet th e follow ing stand ards: Safety UL19 50 E N 6 0950 C S A 22.
A-2 A P P E N D I X A: T E C H N I C A L I N F O R M A T I O N , C A B L E P I N -O U T S A N D P R O T O C O L S D UA1 66 3-0 BAA 03 Electrical Th ese figures appl y to the d e vic e listed w hen fi tted with a SuperS tack II Hu b 1 0 Man age m e nt Module or S uperSta ck II Hub 10 Advan ced RMO N Mo dule.
Ca bl e Pin- Ou ts A-3 DUA1 6 63 -0BAA03 Cable Pin-Outs This sec ti on sho ws t he pin -out s for the Man age m e nt Terminal cable used to co nnec t a termi nal, P C or modem to the serial p ort (R S-232C mana gement po rt). Null Modem C a bl e RS-232C 25 p in to RS-232 C 25 pin.
A-4 A P P E N D I X A: T E C H N I C A L I N F O R M A T I O N , C A B L E P I N -O U T S A N D P R O T O C O L S D UA1 66 3-0 BAA 03 PC-A T Serial Cable 9 pin to RS -232C 25 pin.
Protoc ol Addres s e s A-5 DUA1 6 63 -0BAA03 Protocol Addresses IPX Addres se s If you are u sing t he IPX protocol , the M odule wi ll be a lloca ted an I PX address aut oma tica lly b y the local I PX router o r Net Ware File Server. This happens approx ima tely 60 seconds a fter t he unit is powered u p for the f irst t ime.
A-6 A P P E N D I X A: T E C H N I C A L I N F O R M A T I O N , C A B L E P I N -O U T S A N D P R O T O C O L S D UA1 66 3-0 BAA 03 tho se you ha v e b een allo ca ted by Netw ork Info rma tion Cent er (NIC ). If you do n ot d o this, y our ou tsid e com mun icat ions will n ot opera te.
Protoc ol Addres s e s A-7 DUA1 6 63 -0BAA03 Tele pho ne +31 20 592 5 0 65 Fa x : +31 20 592 5 0 90 e-mail: ncc @ripe.net Asia Pacif ic Netwo rk Inform a t i on Centre (APN IC- DOM) Attent ion : Asia .
A-8 A P P E N D I X A: T E C H N I C A L I N F O R M A T I O N , C A B L E P I N -O U T S A N D P R O T O C O L S D UA1 66 3-0 BAA 03.
B T E C H N I C A L S U P P O R T 3Com p rovides ea sy access to technic al s upp ort informa tion throug h a variety of services. T his ap pendix describ es these se rvices.
B-2 A P P E N D I X B: T E C H N I C A L S U P P O R T D UA1 66 3-0 BAA 03 Acces s b y ISD N ISDN use rs ca n dial-i n t o 3Com B B S usi ng a digita l modem for fast acc ess up to 56 Kbps.
Su p port from Your Network Supplier B-3 DUA1 6 63 -0BAA03 3Com F a cts Auto mat ed F ax S erv ice 3Com Co rpora tion ’s int erac tive fax servic e, 3ComF a cts, prov ides da ta sheets, techn ical a rticles, di agram s, and tr o ubl eshootin g in struc tions o n 3C o m pro d ucts 24 hours a day, se ven days a we ek.
B-4 A P P E N D I X B: T E C H N I C A L S U P P O R T D UA1 66 3-0 BAA 03 ■ A li st of system hardware an d software, in cludin g re visi on le vels ■ D e t ail s ab out recent c onfigu ra tion c hang es, if a pplicabl e If you a re unabl e to con tac t you r net work s u pplie r, see th e follow ing se ctio n on ho w to co ntact 3 Com.
Returning P roducts f or Repair B-5 DUA1 6 63 -0BAA03 Returning P r o ducts for R epair A prod uct sent d ir ec t l y to 3Com for repair must first be assign e d a Return M a teria ls Autho rizatio n (R MA) nu mber. A p rodu ct sen t to 3 Com witho ut a n RMA numbe r wi ll b e returned t o the send er unopen e d , a t the sen der’s expen se.
B-6 A P P E N D I X B: T E C H N I C A L S U P P O R T D UA1 66 3-0 BAA 03.
C T R O U B L E S H O O T I N G In th e main c hapters, w e ha ve in dica ted whe re problem s ca n occ ur when usin g th e man ageme nt fa cility. Th is appe n d ix collec ts togeth er this troub lesho oting i nforma tion . I t will h elp you to d eterm ine th e cause o f a proble m, shou ld on e arise, and to c orre c t the probl em.
C - 2 A P P E N D I X C: T R O U B L E S H O O T I N G D UA1 66 3-0 BAA 03 If you st ill can not res ol ve the proble m, the Module i tself ma y b e f aulty. Conta ct your supplier. S creens are inc orre ct ly dis playe d. Chec k th at you r term inal o r termin al emulat or i s co rrec tly c onfigu red to opera te as a VT1 0 0 t erminal.
C - 3 DUA1 6 63 -0BAA03 Try a ccessing the device th rough a d iffer e nt p ort. If you ca n no w ac cess the d e vic e, a problem with th e origi nal p ort i s ind ica ted. Re -ex amin e the c on nect ion s and cablin g . Possibly ther e is a n etwork probl em p r eventin g you accessin g th e de v ice over the n etwork.
C - 4 A P P E N D I X C: T R O U B L E S H O O T I N G D UA1 66 3-0 BAA 03.
D S T A T I S T I C S This appen dix l ists the terms that are u se d in t he Repea ter Sta tistics, Unit S tat istics and Po rt Sta tistics sc reens. There a r e suggesti ons for courses of ac tion to take, if required.
D- 2 A P P E N D I X D: S T A T I S T I C S D UA1 66 3-0 BAA 03 value seen for unic ast frames. A hig h level of b roadca st frames can ad versely affect n etwork pe rforman ce. Dat a Rate Mi smat ches Th e numb er of frames received by the repea ter, u nit or p ort who se tim in g w as out side th e permitted frequenc y rang e.
D-3 DUA1 6 63 -0BAA03 Mu lticast Fram es T h is is the to tal num ber o f multic ast frames seen at the repea ter, h ub or p ort. A multicast frame is on e tha t is ad dressed to a group of MAC addresses (th at is, several de v ices) on th e network.
D- 4 A P P E N D I X D: S T A T I S T I C S D UA1 66 3-0 BAA 03 detec ted a t th e stac k. Collision s are a normal part o f 8 02. 3 o per atio n, and are no t errors .
E RMON A N D A D V A N C E D M A N A G E M E N T What is R M O N? Transce nd SmartAge nt RMON provid es a mechan ism fo r remot e monitorin g an d analysis of a Local A rea Net work. R MON i s the common abbreviation for t he Remote Mon itoring MIB a s defin ed by the IETF in documents RFC 1271 and RFC 1757.
E - 2 A P P E N D I X E: RMON A N D A D V A N C E D M A N A G E M E N T D UA1 66 3-0 BAA 03 Bene f its of RMON Tra dition al n e t wo rk mana gemen t invo lves a n etwork mana gemen t con s o le poll ing netw ork devices (e.g. h ubs, b r i dges, rou ters) at r egu lar inte rvals to g ath er stati stics an d ident if y p r o blems or trend s .
Benefits of RMON E - 3 DUA1 6 63 -0BAA03 Als o, since a probe n eeds to b e able to see all tra f f ic, a standa lone probe has to be atta ched to a n on-secure hub p ort. Imp lementin g RMON in the hub mea ns all hub ports can ha ve securit y featu res enabled .
E - 4 A P P E N D I X E: RMON A N D A D V A N C E D M A N A G E M E N T D UA1 66 3-0 BAA 03 The SuperStack I I Hub 10 RMON Implem entati on Th e followi ng t able s u mm ariz es t he s uppo rt in this produc t for t he nine stand ard gro ups of R MON .
The Manage ment Informat ion Base (MIB) E - 5 DUA1 6 63 -0BAA03 ■ monitor a ll sta tistic s , ■ le arn all the h osts , ■ create a who-ta lks-to-w hom ma trix . B ecau se the SuperS tack II Hub 10 stack s upports on ly one Ethern et segmen t, th er e is on e inte rfa c e tha t can g ath er R MON inform a tion .
E - 6 A P P E N D I X E: RMON A N D A D V A N C E D M A N A G E M E N T D UA1 66 3-0 BAA 03 ex am ple of an obj ec t mig ht be a p ort th at can be e nabled or d isabled , or a co unte r t hat ca n be re ad. Consid er a coun ter objec t tha t records the numbe r of frames transmit ted on to t he net work .
Counters E - 7 DUA1 6 63 -0BAA03 C ou nters Counters a re th e MIB objec ts w hich hold and upd at e the numb er of occu rr e nces of a p ar t icu lar e ve nt throu gh a port, mod ule, re peat er or on th e netw ork.
E - 8 A P P E N D I X E: RMON A N D A D V A N C E D M A N A G E M E N T D UA1 66 3-0 BAA 03 Th e diag ram belo w sh ows th e v ariati on of a typica l cou nte r wit h time. Fi g ure E-1 Counte r V alues During Autos etting O f Thresholds Ala rm th reshold s m ay b e au toca librat e d or set m anually.
Counters and RMON Alarms E - 9 DUA1 6 63 -0BAA03 . Figu re E-2 Counter Values After Settin g Thresholds Alarms c an be set u p w ith tw o acti ons; on e is ass o ciat ed wit h the high threshold a n d th e oth er with the lo w t hreshold. W hether a n ac tion i s taken depe n d s on the circumsta nces surrounding each crossing of a threshold .
E - 10 A P P E N D I X E: RMON A N D A D V A N C E D M A N A G E M E N T D UA1 66 3-0 BAA 03 Table E-2 Ala rm Ac tions Action High Th resh old Low Th reshol d No action. Notify only. Send Tra p. Notify and blip p ort . Send Trap . Turn port off. Turn port on afte r 5 se conds.
Counters and RMON Alarms E - 11 DUA1 6 63 -0BAA03 Us ing Ala rms H ow to se t up alar ms is de scr ibed in t he manua ls o f y our ma nageme nt appli cati on. The alarm car ries th e ability to defin e ac tion s to b e taken wh en th e alarm va lue rises a bove th e high threshold, a nd/or f alls bel ow the lo w thresh old.
E - 12 A P P E N D I X E: RMON A N D A D V A N C E D M A N A G E M E N T D UA1 66 3-0 BAA 03 Broad cast Storms are capa ble of using m o st o f the av ailable band width of y our net work.
F I N D E X O F M A N A G E M E N T A C T I O N S A N D D A T A This i n d ex con sists of an alph abetica l li sting of fiel d names taken from the VT 100 screens. I t rela tes the field names t o the page in th e user guide where y ou c an fin d a descripti on of the use of th e field and the title of th e s creen con ta ining it.
F- 2 A P P E N D I X F: I N D E X O F M A N A G E M E N T A C T I O N S A N D D A T A D UA1 66 3-0 BAA 03 Alignmen t Errors R 3-26 Repe ater Statist ics Alignmen t Errors R 3-31 Unit Sta tistics Align.
F-3 DUA1 6 63 -0BAA03 Default R outer E 3-10 Setu p Scree n DELETE D 3-39 Port R esil i e nce DELETE USERS B 3-17 User Acces s Level Menu DELETE USERS D 3-21 Delete U sers Screen Device IP Ad dress E .
F- 4 A P P E N D I X F: I N D E X O F M A N A G E M E N T A C T I O N S A N D D A T A D UA1 66 3-0 BAA 03 Late Eve nts R 3-31 Unit Sta tistics Late Eve nts R 3-35 Port Sta tistics Link Pulse C 3-36 Po.
F-5 DUA1 6 63 -0BAA03 Pa sswo rd E 3-21 Edit U ser Screen PO LL D 3-44 Remote Poll Port ID E 3-22 Re pea ter Ma na ge me nt Port ID R 3-35 Port St atistics Port ID R 3-36 Port Se tup Port State C 3-36.
F- 6 A P P E N D I X F: I N D E X O F M A N A G E M E N T A C T I O N S A N D D A T A D UA1 66 3-0 BAA 03 SLIP SubNet Mas k E 3-10 Setup Scree n Source Addre ss C hanges R 3-35 Port Sta tistics Sp eed.
F-7 DUA1 6 63 -0BAA03 Unicas t Fram e s R 3-35 Port St atistics Unit Bo ot Sta t e R 3-33 Unit Setup Unit Capacity R 3-27 Repea ter Setu p Unit H ardware R evision R 3-33 Unit Setup Unit ID E 3-22 Re .
F- 8 A P P E N D I X F: I N D E X O F M A N A G E M E N T A C T I O N S A N D D A T A D UA1 66 3-0 BAA 03.
I N D E X Numerics 3Com Bulleti n B oard Servi c e (3ComBBS) B-1 3Com sales offices B-4 3ComFacts B-3 A access levels 3-20 man a ger 3-18 monitor 3-18 secure m onitor 3-18 security 3-19 spec ial ist 3.
2 D SR control 3-16 E edit us er scre en 3-21 EMC standar ds A-1 ent ry field s 3-3 env ironmental st an d ards A-1 errors /1000 0 packets D-2 F fault log sc re en 3- 47 fault number 3-47 fax servi c e .
3 ma na ge men t mod ule accessing facility 1 -1 hardwa re v ers ion 3-46 LEDs 2-7 powering u p 2-6 res et b ut ton 2 -7 upgradin g soft ware 3-50 map of scre en s 3- 5 medi a type 3-35, 3-37, 3-42, 3.
4 fault log 3-47 initializat ion 3-48 local security 3-18 logon 3 -7 ma in ba nne r 3-6 mai n me nu 3- 9 port resilien ce 3-39 port setup 3-36 port s t a tistics 3-35 remote pol l 3-44 repea ter mana .
5 U unaut h oriz ed de v ic e a ction 3-38 unicast frames D- 4 unit h ardware re vision 3-33 unit ID 3-25, 3-32, 3-33, 3-35 , 3-37 unit port capac i t y 3-33 unit port state 3-34 unit s etup screen 3-.
6.
E L E C T R O - M A G N E T I C C O M P A T A B I L I T Y S T A T E M E N T FC C Statem ent This equipmen t has been tested a nd found to c omply w ith th e limits for a cla ss A digita l device, pu rs ua nt to part 1 5 of FCC Rules.
E L E C T R O - M A G N E T I C C O M P A T A B I L I T Y S T A T E M E N T D U A1 66 3- 0B A A 03 al ph a.
L I M I T E D W A R R A N T Y HARDWARE : 3Com warrants its h ardware products to be free from defect s in workmanship and m a t erials, under normal use and service, for the following lengths of time .
WARRANTIES EXCLU S IVE: IF A 3COM PRODUCT D OES NOT OPERATE AS WA R RANTED ABO VE, CUSTOMER'S SOLE REMED Y SHAL L BE RE P AIR, REPLACEMEN T, OR REFUND O F THE PURCHASE PRICE PAID , AT 3COM'S OPTION .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il 3Com 3C16630A è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del 3Com 3C16630A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 3C16630A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 3C16630A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 3C16630A, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del 3Com 3C16630A.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com 3C16630A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 3C16630A insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
