3Com 3C16630A Bedienungsanleitung

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Zur Seite of

Richtige Gebrauchsanleitung

Die Vorschriften verpflichten den Verkäufer zur Übertragung der Gebrauchsanleitung 3Com 3C16630A an den Erwerber, zusammen mit der Ware. Eine fehlende Anleitung oder falsche Informationen, die dem Verbraucher übertragen werden, bilden eine Grundlage für eine Reklamation aufgrund Unstimmigkeit des Geräts mit dem Vertrag. Rechtsmäßig lässt man das Anfügen einer Gebrauchsanleitung in anderer Form als Papierform zu, was letztens sehr oft genutzt wird, indem man eine grafische oder elektronische Anleitung von 3Com 3C16630A, sowie Anleitungsvideos für Nutzer beifügt. Die Bedingung ist, dass ihre Form leserlich und verständlich ist.

Was ist eine Gebrauchsanleitung?

Das Wort kommt vom lateinischen „instructio”, d.h. ordnen. Demnach kann man in der Anleitung 3Com 3C16630A die Beschreibung der Etappen der Vorgehensweisen finden. Das Ziel der Anleitung ist die Belehrung, Vereinfachung des Starts, der Nutzung des Geräts oder auch der Ausführung bestimmter Tätigkeiten. Die Anleitung ist eine Sammlung von Informationen über ein Gegenstand/eine Dienstleistung, ein Hinweis.

Leider widmen nicht viele Nutzer ihre Zeit der Gebrauchsanleitung 3Com 3C16630A. Eine gute Gebrauchsanleitung erlaubt nicht nur eine Reihe zusätzlicher Funktionen des gekauften Geräts kennenzulernen, sondern hilft dabei viele Fehler zu vermeiden.

Was sollte also eine ideale Gebrauchsanleitung beinhalten?

Die Gebrauchsanleitung 3Com 3C16630A sollte vor allem folgendes enthalten:
- Informationen über technische Daten des Geräts 3Com 3C16630A
- Den Namen des Produzenten und das Produktionsjahr des Geräts 3Com 3C16630A
- Grundsätze der Bedienung, Regulierung und Wartung des Geräts 3Com 3C16630A
- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

Warum lesen wir keine Gebrauchsanleitungen?

Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von 3Com 3C16630A zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von 3Com 3C16630A und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service 3Com finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von 3Com 3C16630A zu überspringen, wie es bei der Papierform passiert.

Warum sollte man Gebrauchsanleitungen lesen?

In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts 3Com 3C16630A, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

Nach dem gelungenen Kauf des Geräts, sollte man einige Zeit für das Kennenlernen jedes Teils der Anleitung von 3Com 3C16630A widmen. Aktuell sind sie genau vorbereitet oder übersetzt, damit sie nicht nur verständlich für die Nutzer sind, aber auch ihre grundliegende Hilfs-Informations-Funktion erfüllen.

Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    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 . DUA1663-0 BAA03 Revision: 01 Published Se pt e mb er 1996[...]

  • Seite 2

    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 form or by an y m eans or used to make an y derivati ve work (s uch a s trans la t ion, tran sformatio n, or ada pta t ion) witho ut permission f r om [...]

  • Seite 3

    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 rminology xi i 1 I N T R O D U C T I O N Over vie w 1- 1 Stac king Units 1- 2 SuperSta ck I I Hu b 10 Mana gement Module 1 - 3 SuperSta ck II Hub 1 0[...]

  • Seite 4

    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 ver the Netwo rk 2- 9 Quick Sta rt for SNMP Mana gemen t Users 2-9 Us in g Te ln et 2- 10 Using an SN MP Networ k Mana ger 2- 11 3 U S I N G T H E VT10[...]

  • Seite 5

    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 Software Upg rade 3 -50 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 St anda rds A- 1 BA BT A pproval [...]

  • Seite 6

    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 rSta ck II H ub 1 0 RMON Im pleme ntatio n E-4 The M anag ement Info rma tio n Base (M IB) E- 5 Counte rs E-7 Counte rs and RMON Alarms E- 7 Using Alarm [...]

  • Seite 7

    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. Look f o r the W arnin g symbo l, which alwa ys ac compa nies the a ppropria te m[...]

  • Seite 8

    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. You w ill need to re[...]

  • Seite 9

    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. Remote M an ageme nt The SuperS ta ck II Hub[...]

  • Seite 10

    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 . DU A1 501- 0AAA 0X) If you a re using any other remote ma nagemen t software, refer to the acc om panyin g docu menta tio n and rea d the sec tio ns tha t d esc r i be h ow to ma nag e SN[...]

  • Seite 11

    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.[...]

  • Seite 12

    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 ernet Eng inee ring Tas k Fo rce IP Interne t Proto col IPX Interne twork Packet Exchang e protocol LED Light Emit ting Diode LSA LAN Security Arch itec[...]

  • Seite 13

    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. As well as supp or t ing in-band mana gement vi a a[...]

  • Seite 14

    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. The termin al c[...]

  • Seite 15

    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. I f yo u r sta ck co nsis [...]

  • Seite 16

    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. SuperSt a c k II Hub 10 Advanced R M ON Module The Su per Stack II Hub 10 A d van c e d RMON Mo d [...]

  • Seite 17

    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 . Rea d a n d foll ow[...]

  • Seite 18

    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. T he instal lati on co mprises t he followin g steps: ■ Un[...]

  • Seite 19

    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). Keep two of t he screws for use wit h the M odule . Do n ot remove any of the screws aro[...]

  • Seite 20

    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 ). This me ans tha t[...]

  • Seite 21

    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. I f your Hub 10 u nit is part of a sta ck, rec o[...]

  • Seite 22

    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. Therefore, to avoid an u n n ecessa ry numb er of resets , power u p a n y other u nits in the stack before pow e[...]

  • Seite 23

    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. F ron t Pan el MG MT LED The LED marked MGMT on th e fron[...]

  • Seite 24

    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) . By default , th e M odule will a [...]

  • Seite 25

    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. You must set the c haract er siz e (8), sto p bit (1) an d parity (non e) settings of t [...]

  • Seite 26

    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 . It assumes you are a lrea d y fami lia r [...]

  • Seite 27

    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. 1 Co n ne c t a V T100 termin[...]

  • Seite 28

    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 . The con cise SNM P MI B file for th e SuperS ta ck II Hub 10 Series is a vailabl e free o n the Ask3 Com bull et[...]

  • Seite 29

    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. The remain der of this c hapter is divided into sec tio[...]

  • Seite 30

    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. ■ Th e main part of t he scre e n show s ma nag e[...]

  • Seite 31

    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]. [00 5 634 ] Entry Field Text enclos ed in square bra ckets on the screen is a n E[...]

  • Seite 32

    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. These k e ystrok es allow you to move the c urs o r aroun d th e screen , ente r informa ti on an d m[...]

  • Seite 33

    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.[...]

  • Seite 34

    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. Ma in Banner If yo u are u sing a VT 1 0 0 te rminal c onnected (d ir ec tly or via modems) to the seria l port, yo u need to[...]

  • Seite 35

    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 . Check th at your te rmina l is setu p to opera te w it h acceptab le para meters f or the se rial por t (see the s ection “Seria l Po rt Setup” on page 3- 15[...]

  • Seite 36

    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 . Th e user na me to use depen ds on wh ich a ccess level y ou require. A t the ear[...]

  • Seite 37

    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. See “Loca l Security” [...]

  • Seite 38

    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. If you do n ot p[...]

  • Seite 39

    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. (S ee “IP Add resses” on page A-5 .) You may use th e Bo otP f acili t y (see below ) if [...]

  • Seite 40

    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. If yo u change this fi eld, reset the Mod ule t o effec t th e ch ange . I [...]

  • Seite 41

    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 . Cho ose Disabled if yo u wi sh to prevent a ccess for a n y rea s o n, such as securit[...]

  • Seite 42

    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. Co m muni ty String ( Tex t F iel d) The com mu nit y str ing all o[...]

  • Seite 43

    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. Ensure t h at the[...]

  • Seite 44

    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. Check in th e m anual fo r you r modem if you ar e n ot sur e of th e correc t setting . Flow Con[...]

  • Seite 45

    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. Figur e 3- 9 Use r Access Le v el Menu L ocal Se curi ty This screen all ows you to enabl e or disable a ccess to the ma nag ement fa cility, for e ach combin ati on of a ccess meth od (se rial po [...]

  • Seite 46

    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 . Figu re 3-1 0 Loc a l Securi[...]

  • Seite 47

    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. T his level of security shou ld be assign ed onl y to the system a dminist r a tor or s omebod y w ith th e[...]

  • Seite 48

    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. Use th is screen to add new use rs. There can be [...]

  • Seite 49

    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 . T he re mo te net wor k ma na ger m ust be conf igu[...]

  • Seite 50

    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. Figu re 3-1 3 Edi[...]

  • Seite 51

    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. ■ Port - Mana ging a t Po rt level le[...]

  • Seite 52

    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 . Figu re 3-1 5 Repea ter Ma n age ment Screen 3Com SuperStack II Repeater Management STATISTICS SE[...]

  • Seite 53

    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. T he un it wit[...]

  • Seite 54

    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. SETU P (Button ) Mo ve t he cursor to this bu tto n and p ress [Return] to move to[...]

  • Seite 55

    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 ). Aft er th is event, the in divid u al figu res m ay g ive a f alse impression o f netw [...]

  • Seite 56

    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. Un it Capa ci t y (Rea d-onl y) This sh ows the maxi m u m numb er of un its th at ca n[...]

  • Seite 57

    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. Ther e is n o such li n k sig n al over coaxial media. If you ha v[...]

  • Seite 58

    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 . T he mana gem ent fa cili ty can only [...]

  • Seite 59

    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. ■ Not i[...]

  • Seite 60

    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). Aft e r thi s e vent, th e indiv[...]

  • Seite 61

    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 . Fi g ure 3-20 Unit Setu p Screen The Unit Setup screen p r o vides rea d on ly informa[...]

  • Seite 62

    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. Th e boot sta te is determined b y th e settin g of th e Disa ble on Boo t switc h, w hich is l oc[...]

  • Seite 63

    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. CANCE L ( B utton ) Mov e the cursor to this b[...]

  • Seite 64

    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. I f the re [...]

  • Seite 65

    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. Media Type (Rea d-only) T his field in dicat es the media t y pe of the port.[...]

  • Seite 66

    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. Wh en en a[...]

  • Seite 67

    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 10BA SE-T compli ant n etwork, le ave this option a t the default settin g. If y ou are u sing n on-c ompl iant transceiv ers tha t do not use the l ink pu lse sign al, y ou will need to disabl[...]

  • Seite 68

    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. Th er e are three step s to set ting up a[...]

  • Seite 69

    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. ■ You can set up a resilien t link pair to use ports o n the same unit, or on different un its in [...]

  • Seite 70

    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. I f [...]

  • Seite 71

    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. Refer to Ta bl e 3- 5 on page 3 -3 9 for the d iffe[...]

  • Seite 72

    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. If y o u subsequ ently delete the resilient link [...]

  • Seite 73

    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. If ther e is no response wi th i n a [...]

  • Seite 74

    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. T h is informa t ion m ay be useful to yo ur techn ical supp ort representa tive in the[...]

  • Seite 75

    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 . Time (seconds) Th is field sh o[...]

  • Seite 76

    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. Th is h as the same effec t as pressing the Reset but ton on th e rear o[...]

  • Seite 77

    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. Y ou should on ly in itiali ze the stack if : ■ The confi[...]

  • Seite 78

    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. Wh en 3Com i ss ues a new versio n of t he Mod ule S m artAgen t software, you can ob tai n the s o ftware ima ge from 3 Com bul letin board services (s[...]

  • Seite 79

    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. If s o, you mus t g ive the ful l pat h to t[...]

  • Seite 80

    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[...]

  • Seite 81

    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. 2 #95 0 EC MA 9 7 EMC C S A C10 8 . 8 - M 1983 Class A FCC Part 15 C lass A IEC [...]

  • Seite 82

    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. Power Consum ption 3C1 6665A 46 V A 3C1 6[...]

  • Seite 83

    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. RS232C Serial Port 25 pin male Screen TxD RxD Ground RTS CTS DSR DCD[...]

  • Seite 84

    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. Mo dem Ca ble RS-232 C 25 pin to RS -232C 25 pin. RS232C Serial Port 25 pin male TxD RxD Ground RTS CTS DSR DCD DTR RI 2 3 7 4 5 6 8 20 22 RxD TxD Ground RTS DTR CTS DSR [...]

  • Seite 85

    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. You should never nee[...]

  • Seite 86

    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. A subnet ma sk is a filtering system for IP an d SLI P add [...]

  • Seite 87

    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 Paci fic N e t wo rk Informa tion Centre (A PN IC -DO M) c/ o Compute r Cent r e , Un iversity of Tokyo 2-11- 16 Y a yoi Bu nkyo- ku, To kyo 1 13 Ja p[...]

  • Seite 88

    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[...]

  • Seite 89

    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. On-line Technical Services 3Com o ff e rs world w ide produc t s u ppo rt se ve n da ys a week, 2 4 hou rs a da y, th roug h the follo wing on-lin e syste ms: ■ 3Com Bul let[...]

  • Seite 90

    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. To a ccess 3ComBB S using I SD N, dial th e follow ing nu mb er: (40 8) 654- 2703 W orld Wide W eb S ite Access the la test n etworkin g in f o rmati on on 3Com[...]

  • Seite 91

    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. Call 3 ComF ac ts using you r [...]

  • Seite 92

    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. Suppor[...]

  • Seite 93

    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. To o[...]

  • Seite 94

    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[...]

  • Seite 95

    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. I t lists sy[...]

  • Seite 96

    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. Check th [...]

  • Seite 97

    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. T ry ac cessing the d e vi[...]

  • Seite 98

    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[...]

  • Seite 99

    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. In g eneral , if repea ter stati stics indica te a problem , try to i s ol ate t he s o urce of the problem b y exa min ing un it[...]

  • Seite 100

    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. This m ay indica te[...]

  • Seite 101

    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. The total nu mb er of mult ica st frames will no rmally be a sm all percenta ge o f the va lue seen[...]

  • Seite 102

    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 . Tran s m it c ollisio ns form part of t he Tota l Co llisions figure. Unic ast F ra mes T h is is the total number of f r ames a d d resse d to a sing le MAC address (that is, a sin[...]

  • Seite 103

    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. A typical RMON s ystem consist s of two [...]

  • Seite 104

    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 . As ne[...]

  • Seite 105

    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 . Integ rat ing RM ON into Tran scen d Sma rtAgent s also allo ws o the r feat ur es to [...]

  • Seite 106

    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 table a lso specifies the c onfigu ra tion o f the vario us groups after syste m initi ali za[...]

  • Seite 107

    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 . F or t hose resources crea ted [...]

  • Seite 108

    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 . The M IB w ould cont ain th e fo llowing e[...]

  • Seite 109

    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. The m an a gemen t facility rea ds th e cou nters it need s for the o utp ut, p r o cesses th e info rma tion and displa ys th e res [...]

  • Seite 110

    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. Autoc alibra tio n is a me ans of ca lcula tin[...]

  • Seite 111

    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 . The [...]

  • Seite 112

    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. Notif y a n d disable port. Send Trap . Turn port off. N otif y an d en [...]

  • Seite 113

    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. Two system a larms with [...]

  • Seite 114

    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. I f you set u p an a larm on the B roadcast F rames Recei ved co un ter of a po rt, wit h the ‘Notify and Blip ’ ac ti on (see Table E-2 on page E-10 ) , on [...]

  • Seite 115

    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. A ls o, it in d[...]

  • Seite 116

    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 Alignmen t Errors R 3-35 Port Sta tistics APPLY D 3-39 Port Re silience Area ( of fault) R 3-47 Fault Log Autocon fig(ura tion) C 3-15 Serial Port Setup Sc[...]

  • Seite 117

    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 3-10 Setu p Scree n Device SubNet Ma sk E 3-10 Setu p Scree n DRS Control C 3-15 Serial Port Setu p Screen EDIT USER B 3-17 User Acces s Level Menu Er[...]

  • Seite 118

    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 Port Set up Link State R 3-36 Port Set up Link State R 3-39 Port Re silience LOCAL SECU RITY B 3-17 User Acc es s Le vel M enu LOGOFF D 3-9 Ma in Men u [...]

  • Seite 119

    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 Port Se tup Power Supply S ta t us R 3-33 Unit Setup REMOTE POLL B 3-9 Main Menu Rem ote Telnet (Security ) C 3-18 Local Security Screen Repea ter He[...]

  • Seite 120

    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 (s eri al l ine ) C 3-15 Serial Port Setup Screen Sta ndby Lin ks Ava ilable R 3-39 Port Re silience Stand by Port R 3-28 Repe ater Resilience Stand [...]

  • Seite 121

    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 pea ter Ma na ge me nt Unit ID R 3-31 Un it Sta tisti cs Unit ID R 3-35 Port St atistics Unit ID R 3-33 Unit Setup Unit ID R 3-36 Port Se tup Unit Por[...]

  • Seite 122

    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[...]

  • Seite 123

    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 3-19 acces s m ethod 3-18 active port 3-31 active power supp ly 3-34 alarm action E-10 alarm s E-7, E-11 sys t em E-11 al i g nment errors D-1 APPLY bu[...]

  • Seite 124

    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 . Se e 3ComFa cts FCS errors D -2 flow control 3-16 Hu b 10 ma na ge me nt mo du le blanking plat e 2- 2 con necting to unit 2-3 con tents of packag[...]

  • Seite 125

    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, 3-43 MGMT LED 2-7 modem ca ble pin-outs A -4 multi cast frames D -3 N NetWar e file se rve r A-5 network manager community s tring 3-14 managing stack [...]

  • Seite 126

    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 geme nt 3-23 repea ter resilience 3-28 repeate r setup 3-27 repea ter s tatist ics 3-26 reset 3-47 security 3-17 seri al por t setup 3-15 setup 3-10 s[...]

  • Seite 127

    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 3-33 unit s tatistics screen 3- 31 unit t yp e 3-32, 3-33 units available 3-27 upgrade able s oftware version 3-46 user acces s lev el screen 3-17 user [...]

  • Seite 128

    6[...]

  • Seite 129

    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. Th ese limits are desig ned to prov ide reasonab le prot ectio n ag ainst interference w hen the equipment is o pera[...]

  • Seite 130

    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[...]

  • Seite 131

    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 f r om t he date of purchase from 3C o m or its Authorized R eseller: Internet working product s One year Networ k adap ters Lifeti me Eth ernet sta c[...]

  • Seite 132

    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 . THE FOREGOING WARRANTI ES AND REMED IES ARE EXCLUSIVE AND ARE IN L IEU O F ALL OTHER WARR ANTIES, EXPRES S OR IMPLI ED, EITHER IN FACT OR BY[...]