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Manual Cabletron Systems ELS100-24TXG

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  • Cabletron Systems ELS100-24TXG - page 1

    SmartST ACK 100 ELS100-24TXG ETHERNET SWITCH INSTALL ATION AND USER GUIDE ...

  • Cabletron Systems ELS100-24TXG - page 2

    NOTICE Cabl etr on Sys tems rese rve s th e right to make chang es in spe cif i cat i ons and oth er i nfo rm a- tion cont ai ne d in this doc um ent wit hout prior not i ce . The rea der s hould in al l cas es co nsu lt Cabl etr on Sy s tems to determ i ne whet her any such cha nges have be en made. The har dware, f irmwa re, o r soft war e de scr ...

  • Cabletron Systems ELS100-24TXG - page 3

    DOC NOTICE This digit al app aratus does not exceed the C lass A limits fo r ra dio noise em iss i ons fro m d ig - ital appa rat us set out in the Radio In t er fe renc e Regulatio ns of the Ca nadian Depar tmen t of Communi cat ions. Le présent appar eil numériqu e n’ ém et pa s de bruit s ra dioélectri ques dépas s a nt les limi te s appl ...

  • Cabletron Systems ELS100-24TXG - page 4

    EXCLUSION OF WARRANTY AND DISCLAIM ER OF LIABI LITY 1. EXCL USION O F W ARRA NT Y . E x ce pt as may be s pec i fic al l y p rovided by C abletron i n writ ing, Cabl etron makes no warra nty, ex press ed or impli ed, c oncerni ng the P ro- gram (i nc l udi ng its docu mentatio n and medi a). CABL ETRON D ISCLA IMS ALL W ARRANTI ES, OTHER THAN THOS ...

  • Cabletron Systems ELS100-24TXG - page 5

    DECLARATION OF CONFORMITY Applicatio n of Council Directive (s): 89/336/EEC 73/23 / EEC Manu fac t urer’s Name: Cabl et ron Systems , Inc. Manu f acturer ’s Addres s: 35 I ndustrial W ay PO Box 50 0 5 Ro che ster, NH 038 67 Euro pean Repres ent at ive Name: Mr. J. Solar i Euro pean Repres ent at ive Address : Cabl et ron Systems Lim ite d Ne xu ...

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  • Cabletron Systems ELS100-24TXG - page 7

    9032947 Table Of Con tents i TABLE OF CONTENT S PREFA CE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Purp ose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Audi en ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Cabletron Systems ELS100-24TXG - page 8

    ii Table Of Contents ELS100-24TXG Net work Cable R equirem ents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Cop per . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Fibe r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 10Ba se-T/100Ba ...

  • Cabletron Systems ELS100-24TXG - page 9

    9032947 Tabl e Of Cont ents iii Con figur ing Spa nnin g Tree Parame ters . . . . . . . . . . . . . . . . . . . . . . . . 58 Con figur ing VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Con figur ing Class of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 0 Con figur ing Port Op ...

  • Cabletron Systems ELS100-24TXG - page 10

    iv Table Of Contents ELS100-24TXG APPEND IX C. FL OW CONTR OL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 APPEND IX D. VIRT UAL L AN S (VLA NS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 VLAN s and Fram e Tagg i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 ELS1 00-24T XG VLA ...

  • Cabletron Systems ELS100-24TXG - page 11

    9032947 Pref ace v PREFACE Purpose This guide prov ides i nforma tion ab out th e featu r e s and applica tions of the Cab l etron ELS100 - 24TXG switch as we ll as inst ruc tio ns for config uri ng and m onitor ing the switch . Aud ience This guid e is intend ed f or Etherne t local area net work (LAN ) adm i nist rator s and M anag ement Informa ...

  • Cabletron Systems ELS100-24TXG - page 12

    vi Prefac e ELS1 00-24TXG Other C onv entions Th i s guide us e s th e follo win g typogra phical co nvention s: • Init i al Caps Men u title s and con sole me nu s el ections . • [Ente r] Used to desi g nat e the E nter or R eturn key . • ALL C APS Used to desi gnat e field s wit hin the c o nso l e menu s (Exampl e: CONN EC TION). • cour ...

  • Cabletron Systems ELS100-24TXG - page 13

    9032947 Pref ace vii Appendix E. Clas s of Ser vice : Des cri bes how th e tra ffic C l a ss of Servic e featu res can be use d to assi gn missi on-cri tical data a h igher priority thro ugh the s wi tch by de laying l e ss c rit i ca l traffic d uring p eriods of co nges ti on . Appendix F. Acronyms and Abb reviations : Pro v id es definiti ons fo ...

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    9032947 Product Over view 1 1. PRODUC T OVERVIEW Descrip tion This i nst allati on an d u ser gu id e d esc r ib es t he Cabletr on EL S100- 24 TXG Et herne t swit ch. T h e sw itc h is IEEE 80 2.1D-com plian t and su pports 24 IE EE 802.3 u 100B ase-TX F ast E thern et por ts. Each port c a n alte rnativel y oper ate as an IEEE 802.3 i 10B ase- T ...

  • Cabletron Systems ELS100-24TXG - page 16

    2 Product Overview ELS100-24TXG Feat ures • Port s: - 24 d ua l-s pe ed 10 Bas e -T / 100 B ase - T X p or ts u s in g R J- 45 co nn ectors (M DI-X ) - 2 1000Ba se-X Gig abit Ethe r net por ts usi ng modul ar GB IC tran sceiver s • Architecture: - 8- port 10 /100 and 1-port G igabit Ethernet switch AS ICs in a dist ri buted switc hin g arch ite ...

  • Cabletron Systems ELS100-24TXG - page 17

    9032947 Product Over view 3 • Softw are: - Ex te nsiv e dia gnostic s fo r pro d uct te sti ng and tr oubles hooti ng - Up grades us i n g t he f r ont pan el con sole port o r in-b an d wi th TFTP Fr on t Pa nel Fi gure 1-1 sh ows the front pa nel of th e Cablet ron ELS10 0-24T XG. Tabl e 1-1 defines t he ELS 100 -24T XG front panel c ompone nts ...

  • Cabletron Systems ELS100-24TXG - page 18

    4 Product Overview ELS100-24TXG Fi gure 1-2 s hows the L ink a nd Acti vity LEDs f or the 2 100 0Base-X G igabi t Ethe rnet ports. T he LEDs ar e po sitio ned to the left of t heir associated por t. Fi g ure 1-2. 10 00Ba se-X Gig abit Eth erne t Port LE Ds Fi gure 1-3 s hows the L ink a nd Acti vity port LED s for 24 10B ase-T / 100 Base-T X ports ...

  • Cabletron Systems ELS100-24TXG - page 19

    9032947 Product Over view 5 The p ort LEDs are grou ped to the left of the ir cor respo nding R J-45 por ts. Tab le 1-2 de fines t he per forman ce of th e port LE Ds for th e 1 0Bas e-T / 100B ase-TX p orts i n both the d efaul t configu ration and wit h the LED mod e butto n p ress ed. Table 1-2 . Port LEDs Defin ed Rear Pan el Fi gure 1-5 sh ows ...

  • Cabletron Systems ELS100-24TXG - page 20

    6 Product Overview ELS100-24TXG Feat ure Summaries Th e follo win g su m mari es p rov ide a brief descri ption of ELS10 0-24TXG f eat ures in a reas su ch as s tanda rds compl ianc e, f uncti onal ity, per form ance , and opt i o ns. IEEE 802.1D Bridge Th e ELS100- 24TXG sw itch is f ully c ompl iant with IE EE 802. 1D tr ans par en t bri dg in g ...

  • Cabletron Systems ELS100-24TXG - page 21

    9032947 Product Over view 7 Softwa re Do wnload The ELS10 0-24TX G switc h suppo r ts the indus try -sta nd ard T ri vial Fil e Tr ansf er Proto col (T F TP ) for do wnload i ng so ftwar e to t he switch . All swi tch softw are is s t ored in a 2 MB s e ctor ed flas h RO M. The d ownlo ad featur e allows yo u to easily i nstall softwa re upgra des ...

  • Cabletron Systems ELS100-24TXG - page 22

    8 Product Overview ELS100-24TXG RMON RMON ( Rem ote Monito ring) is a fa cility used to ma nage netwo rks rem o t e l y w hil e pro v id i n g mul ti-ve ndor i nte rope rabil ity b etwee n moni toring dev ices a nd ma nagemen t stati ons. RMON is d efined b y an SN MP M IB. Th i s M IB is di vided i nto nin e differ en t grou ps, each gathe ring sp ...

  • Cabletron Systems ELS100-24TXG - page 23

    9032947 Product Over view 9 co nnec te d to th e sw itc h su ppo rt s au to- nego ti ati on as t he E LS1 00- 24T XG switch automatically adjusts to the network device's co m munication set tings. Auto-ne gotiati on is c onfigur able i n the Port Config uratio n Menu of the con sol e menus or via SNM P. Broa dca st Thrott ling The ELS 100 -24T ...

  • Cabletron Systems ELS100-24TXG - page 24

    10 Product Overview ELS100-24TXG (C SMA/C D) p roto c ol , allowing for two - way tr affic. Fu l l duple x is co nfigur able using the Dupl e x Mo de para m eter i n the Port M enu o f th e co nsole menu s or v ia S NMP. Flow Contr ol Fl ow co ntrol a llows y o u t o man age ne twork tr affic duri n g cong estio n per iods and to pr event t he loss ...

  • Cabletron Systems ELS100-24TXG - page 25

    9032947 Product Overvi ew 11 Clie nt/Ser ver Ne twork A ppli cat ion To i mpr ove w ork stati o n p erfor mance in a client/s e rver environ ment, the ELS10 0-24T XG switc h ca n be con figured to prov ide 200 Mbps f u l l dup lex Fast Ethernet connec tio ns to ser ver s b y conn ectin g eac h t o a de dicate d swi tch por t ( Figur e 1-6) . Users ...

  • Cabletron Systems ELS100-24TXG - page 26

    12 Product Overview ELS100-24TXG Local B ac kbo ne Appl ica t ion Th e E LS1 00-24 TXG s w itc h c an be us ed i n a l oca l bac kb one ap plic ation , co nnecti ng ne twork segm en ts to gether a nd prov idi n g fil e -serv er a ccess (F igur e 1-6). Wo rkgro up hubs ar e prov ided wit h a si ngle con necti on to the swi tch wh ile server s are pu ...

  • Cabletron Systems ELS100-24TXG - page 27

    9032947 Install at ion 13 2. INSTALL ATION Insp ecting You r Shipm ent When you receive the shipment of your switch, che ck the package con ten ts and m a ke sur e you have th e follo win g items: • ELS10 0-24TX G Fast E thernet switch • Moun ting ears a nd mo untin g scr ews • Powe r cor d • This d ocume nt Site R equirem ents Befor e you ...

  • Cabletron Systems ELS100-24TXG - page 28

    14 Instal lation ELS1 00-24TXG Moun ting the Switc h on a Tab le or She lf Mou nt the sw itch on a table or shelf i n a posit ion wh i ch allows acce ss to the front panel RJ- 45 ports, visibilit y o f the port LEDs, and access to the pow er co rd. M ake sur e that the mou nting surfa ce can sa fely suppo rt the swi tc h a nd that there is a deq ua ...

  • Cabletron Systems ELS100-24TXG - page 29

    9032947 Install at ion 15 M ounting the Swit ch on a Wall The sw i t ch ship s wit h two ( 2) m ulti-po sition m ountin g ears an d four ( 4) mounting screws. Fi gure 2-1 sh ows th e ori en tat i o n o f th e mou nting ea rs for at taching t he ears to the swit ch for a wall m ount applica t ion. Be sure that t he wall surface ca n safely support t ...

  • Cabletron Systems ELS100-24TXG - page 30

    16 Instal lation ELS1 00-24TXG Moun ting th e Switch in a R ack Th e switc h sh ips wi th t w o (2) m ulti - p o sition mountin g ears and f our ( 4) mounting screws. Fi gure 2-2 s hows the o rienta tion of t he mount ing e ars for attach ing the ears to the swit ch for a rack mount app licatio n. Mount the switch with the fr ont pane l f ac ing fo ...

  • Cabletron Systems ELS100-24TXG - page 31

    9032947 Install at ion 17 Con necting a Termin al to the Console Po rt The consol e p ort i s a ser ial RS- 232 inte rface p ort t hat ena bles a con nec tion to a term inal fo r pe rforming switch moni toring a nd co nfi gur ati on f unc tio n s. Th e ter mi na l may be a P C or wo rks ta ti on ru nn ing term ina l emulation softw are, o r a dum b ...

  • Cabletron Systems ELS100-24TXG - page 32

    18 Instal lation ELS1 00-24TXG Powering the Swit ch To sup ply po w e r to t he switch , do the fo llowin g: 1. Con nect the po wer c ord t o the sw itch and to a gr ounde d thre e-pr ong wall outlet (Figure 2-4). S ee App endi x A, “Powe r Cord Se t Requir ement s,” for m ore infor mation regardin g spec ific intern ationa l powe r c ord req u ...

  • Cabletron Systems ELS100-24TXG - page 33

    9032947 Install at ion 19 • Memo ry Mem o ry tests on the CPU RA M are p erform ed afte r the serial port test. No results are di splayed on the console . Af ter the s e two test s are p erforme d, the oper ational s o ftw are of the sw itch is load ed . A s eri es o f mor e ex te nsiv e di ag nos ti c te st s are the n con d uct ed dur i ng whic ...

  • Cabletron Systems ELS100-24TXG - page 34

    20 Instal lation ELS1 00-24TXG 10Base- T/100Ba se-TX Po rts Th e 10Bas e -T/100 Ba se- TX po r ts use RJ-45 con nector s. F igur e 2-5 sh ows an R J-45 co nnector being inserte d into a port. Figure 2-5. Insertin g an RJ-45 Connect or int o a Port The 10 B ase- T/1 00 Bas e-T X por ts in ter fa ce to UT P c abl in g f or co nne ct ion t o 10Ba se-T ...

  • Cabletron Systems ELS100-24TXG - page 35

    9032947 Install at ion 21 1000Ba se-X Gig abit Ethe rnet Ports The fibe r optic G igabi t Ethe rnet GBICs u se du al SC co nnec tors. F igu re 2- 6 s hows a d ual S C c onnec tor be i ng in serted into a Gigabit Etherne t por t on th e ELS1 00-24T XG. Figure 2-6. Insert ing a D ual SC Conne ctor in to a Port The 1000Ba se-X Gigab i t Ether net port ...

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    9032947 ELS100-24TXG User Interf ace 23 3. ELS100-2 4TXG USER INT ERFACE Ov er vie w When y ou h av e co nne c ted a te rminal to the co ns ol e por t, o r u sed T el n et to acce ss the switch over the network, acce ss is gained to th e console menus. These menus allow you to reconfigure the switch from its factory defau lt settin gs, as w ell as ...

  • Cabletron Systems ELS100-24TXG - page 38

    24 ELS100-24TXG Us er Interface ELS100-24TXG User Acc ess The re are t wo mo des of ac c es s t o th e u s er i nte rf ac e: RE AD -ON L Y a nd READ/WRITE. READ-O NLY a ccess allo ws you to view switch in formation , but no t modif y an y operati ng para m e ters . REA D /WRITE ac cess allo ws you t o both read and mod i fy switch info r matio n. Y ...

  • Cabletron Systems ELS100-24TXG - page 39

    9032947 ELS100-24TXG User Interf ace 25 Fact ory Def aults Table 3-1 lists the factory de fault settings fo r the switch configuration par ameters. Each of these pa ram e ters ca n b e ch anged via th e co nsole men us or Te l n et. Table 3-1. Fa ctory Default S ettings Pa r amet e r De faul t Valu e Active Ag i ng T ime 300 Auto-nego tiation Enabl ...

  • Cabletron Systems ELS100-24TXG - page 40

    26 ELS100-24TXG Us er Interface ELS100-24TXG Menu Hierarc hy Fi gure 3-2 s hows the E LS100 - 24TXG s wi tch user inter face m enu hi erarc hy. Fi gur e 3- 2. EL S100 -2 4T XG Us e r Int er fac e M enu H ie rar ch y System Configuration Menu SNMP Configuration Menu System Name System Location System Contact IP Address Subnet Mask Default Gateway Bo ...

  • Cabletron Systems ELS100-24TXG - page 41

    9032947 ELS100-24TXG User Interf ace 27 M ain Me nu The Main Men u is the first s cree n seen afte r s uccessf ully loggi ng in to t he system. Figure 3-3 sho ws the Main Men u and t he accompanying tab le des cribes th e Main Menu . Figure 3-3. Main Menu MAIN MENU A c c ess Co n tro l: REA D /W RITE a. Syste m C onfigurati on Menu b Switc h C onfi ...

  • Cabletron Systems ELS100-24TXG - page 42

    28 ELS100-24TXG Us er Interface ELS100-24TXG System Conf igurat ion Menu The System Configuration Menu enables modification of system-level switch conf iguratio n param eters. Select a from the Ma i n Me nu to view th e Sys te m C onf ig urat io n Me nu . Fi gu re 3-4 sho ws th e Sy ste m C on fig ur atio n Me nu an d th e a c com pan yi ng t abl e ...

  • Cabletron Systems ELS100-24TXG - page 43

    9032947 ELS100-24TXG User Interf ace 29 SNMP Co nfigurat ion Men u The SNMP Con figurat ion Men u allo w s you t o mod ify SNMP - rela ted co nfi g ur atio n p a ram et e r s . Se le ct a fr om t he S yst em C onf ig urat io n M en u to v ie w t he S NMP Co nfig ur ati o n M enu . Fi gur e 3- 5 sh ow s th e S N M P Con figurat ion Men u and accom p ...

  • Cabletron Systems ELS100-24TXG - page 44

    30 ELS100-24TXG Us er Interface ELS100-24TXG Swit ch Config uratio n Menu Th e Switch C o nfig uration Menu allows you to modi fy sw itchin g-relate d co nfigur ation paramet ers. Sel e ct b fr om the Ma in Menu t o v iew the Sw itc h Co nfig ur atio n M en u. F igu re 3-6 s how s th e S wit c h C on f i gur at i o n M enu and the acc o mpany in g ...

  • Cabletron Systems ELS100-24TXG - page 45

    9032947 ELS100-24TXG User Interf ace 31 For wardi ng Ta ble C onfig urati on Me nu The Forw ardi ng Tab le C onfi gura tion Menu allow s yo u to vie w and m odi fy for wa rdi ng tab le p ar am ete rs. The MA C addr es s o f eac h f orw ar ding ta ble entr y is di spl aye d along with i ts t ype, di sposit i o n, and as socia ted po rt num ber. S el ...

  • Cabletron Systems ELS100-24TXG - page 46

    32 ELS100-24TXG Us er Interface ELS100-24TXG Forwarding Table Confi gura tion Menu (con ti nued) Sel ection D escription Dis p la y T abl e Red isp la y s t he for wa rdi ng t abl e. Mak e En try St at i c Mak es a dynami c en t ry in the f orw arding table stat i c. Add S tati c Ent ry Adds a sta tic entr y to the forwa rding table. Del et e Stat ...

  • Cabletron Systems ELS100-24TXG - page 47

    9032947 ELS100-24TXG User Interf ace 33 Span ning Tree Config uratio n Menu The Spanni ng Tree Config urat ion Men u allo w s you t o view a nd mo dify Span ning Tree pa r a m e ters. Sele ct b from t he Swi tch C onf i g urati on Menu to v iew th e Span ning T r ee Con figur ation M enu. A lett er i denti fies sele ctions that c a n be modifi ed. ...

  • Cabletron Systems ELS100-24TXG - page 48

    34 ELS100-24TXG Us er Interface ELS100-24TXG Spann i ng T ree C onfiguration Menu (conti nued) Selec tion Des cription Spanning Tree Proto c ol Enable A llo ws you to enable (Y es) or di sab le ( No) the globa l Spann i ng Tree ope ration on the swit ch . Port Conf igurat ion M enu Provi des acc ess to t he Span ning Tr ee Port C on- figurat ion Me ...

  • Cabletron Systems ELS100-24TXG - page 49

    9032947 ELS100-24TXG User Interf ace 35 Span ning Tree Po rt Confi guration M enu The Span ning Tree P ort Con figura tion Menu allows you to view S panning Tr ee Confi gurati on infor mation for a ll of the po r ts i n a ta ble fo rmat. Se lect b from the S panni ng T ree Co nfigu ration Menu to v i e w the Spann ing Tree Port Conf igur ation M en ...

  • Cabletron Systems ELS100-24TXG - page 50

    36 ELS100-24TXG Us er Interface ELS100-24TXG Spann ing Tree Po rt #n Con figuration Menu Th e Spanni ng Tre e Port #n Conf i g urati on Men u allo w s y ou t o view S panni ng Tre e P ort C onfigur ation i nforma tion for an ind ividual p ort. Select a from th e Spanni ng Tree P ort Con figurat i on Men u to view the S panni ng Tre e P ort # n Conf ...

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    9032947 ELS100-24TXG User Interf ace 37 VLAN Conf igurat ion Men u The VLAN C onf igur ation M enu all ows y ou to c on figu re the op eratio n of Virtu al LANs (VLA Ns) in the switch . Select c from th e Switch Con figurat ion Men u to vi ew th e VLAN C onfigu ration Menu. Fig ure 3 -11 sho ws the VLAN Config uration Menu an d the accompa nying ta ...

  • Cabletron Systems ELS100-24TXG - page 52

    38 ELS100-24TXG Us er Interface ELS100-24TXG VL AN Menu Th e VLAN M enu disp lays the confi gurati on of VLANs i n the sw itc h and al l o w s a ccess to t he VLAN #n Confi gur ation Me nu to cre ate an d con figur e VLANs. S elect b from the VL AN C onfig uration Menu to view the VLAN Me nu. F igur e 3- 12 s how s th e V LAN M e n u and the acc om ...

  • Cabletron Systems ELS100-24TXG - page 53

    9032947 ELS100-24TXG User Interf ace 39 VLAN #n Co nfigu ration Men u The VLAN #n Config uration Menu al low s you to confi gure a n ame for a spe ci fi c V LAN, a dd o r remo v e a p or t i n the VL AN , and ad d or r em ove a n egress port in the VLAN. Select c fr om the VLA N Menu to view the V LAN #n C onfigur ation M enu. Fig ure 3 - 13 sh ows ...

  • Cabletron Systems ELS100-24TXG - page 54

    40 ELS100-24TXG Us er Interface ELS100-24TXG VLAN Port Menu The VLAN Por t Men u di spl ays a t a ble o f VLAN con fi g ur ati o n inf or mat io n on a pe r p or t ba sis a nd a llo ws yo u to mo di fy t he VL AN Por t T ype . Sele c t c from the V LAN C onf igur ation Menu to v ie w t he VLA N Por t Men u. Fig ure 3-1 4 s ho ws th e VL AN Por t Me ...

  • Cabletron Systems ELS100-24TXG - page 55

    9032947 ELS100-24TXG User Interf ace 41 Class o f Service C onfigu ration M enu The Class of Ser vice Configura tion Men u allows you to config ure Class of Service settings for th e system a s well as to set the Class of Service for VLAN tagged f rames . Sele ct d from th e Switch Conf igur atio n Menu to view the Cl ass of Se rvice Config uration ...

  • Cabletron Systems ELS100-24TXG - page 56

    42 ELS100-24TXG Us er Interface ELS100-24TXG Port Priority Menu Th e Port Pr ior i t y Me nu al lows you to modi fy and displ ay a ta ble w hich sh ows Cl ass of Servi ce co nfig urati on info r mat ion o n a pe r por t basis . Select c from th e Class o f Servic e C onfigur ation M enu to view the Port P riori ty Con figu ration Menu. Fi gure 3-16 ...

  • Cabletron Systems ELS100-24TXG - page 57

    9032947 ELS100-24TXG User Interf ace 43 Port Menu The Port Me nu all o ws you to dis play i nforma tion for each port i n a t able form at , as w e ll a s to access the Port C onfigu rati on Menu . You ca n also refr esh the scr ee n info r ma tion. Select c f r o m the Main Menu to view the Port Menu. Figu re 3- 17 show s th e Port Men u and the a ...

  • Cabletron Systems ELS100-24TXG - page 58

    44 ELS100-24TXG Us er Interface ELS100-24TXG Port C onfiguratio n Menu Th e Port C onf igur atio n Menu a l lows yo u to con figure port settin gs fo r a specific port. Se lect c from the Port M enu to v iew the Port C o nfigu r ation Men u. Fig ure 3 -18 sh ows the Po rt Confi gurati on Menu and t he ac company ing tab l e des cribes th e Por t Co ...

  • Cabletron Systems ELS100-24TXG - page 59

    9032947 ELS100-24TXG User Interf ace 45 Switch Statistics Screen The Switch S tatisti cs S creen provide s a su mmar y d i sp lay of port-l eve l statistics, and prov ides access to the Port S tatistics screens. You can also clear or refresh th e statistics. S e lect d from the Main M enu to vi ew th e Swi tch Stati sti c s S c re en. F igu re 3 -1 ...

  • Cabletron Systems ELS100-24TXG - page 60

    46 ELS100-24TXG Us er Interface ELS100-24TXG Switch Su mmary Screen The Switch Summary Screen allows you to display sum total statistics for al l ports of t he s witch . You ca n a lso c lea r or r e fresh th e stati stics. Se l ect s from th e Switch S t atistics Screen to view the S wi t ch Summary screen . Fi gure 3-20 s ho ws the Switc h Summa ...

  • Cabletron Systems ELS100-24TXG - page 61

    9032947 ELS100-24TXG User Interf ace 47 Port Stat istics Screen The P or t Statistics Screen allows you to displa y statistics for each p o rt o n the s wi tch. M any o f these statistic s co r respond to the Statisti cs grou p of RMON. You can also refresh or clear the sta tistics. Select s fr om th e Switch St a tistics Scr e en to vi ew the Po r ...

  • Cabletron Systems ELS100-24TXG - page 62

    48 ELS100-24TXG Us er Interface ELS100-24TXG Figu r e 3-21 P ort Stat istics Screen (conti nued) Fiel d D e scription Mult i ca st s Tran smitted Total number of mul tic ast fr am es t rans m i tted on t he po rt. Mult i ca st s Rec ei v ed Tot al number of m ul tic ast fr am es re ceiv ed on the po rt. By tes T ransmi tted Total number of bytes tr ...

  • Cabletron Systems ELS100-24TXG - page 63

    9032947 ELS100-24TXG User Interf ace 49 Gen eral Inform ation Screen The General Inform ation Screen allows you to view general system inform ation. Select e fro m th e Main Menu to view the Gen eral Inform at ion Sc re en . F igur e 3- 22 s how s th e G en e ral In f or ma ti on S cree n an d t h e accomp anyin g tabl e descri bes the General In f ...

  • Cabletron Systems ELS100-24TXG - page 64

    50 ELS100-24TXG Us er Interface ELS100-24TXG Downlo ad Soft ware Menu Th e Downloa d Softwar e Menu al lows you to s e t up and i n itiate a s oftw are downlo ad. Se lect f from the Main M e nu to vi ew th e Downlo ad Sof tware Men u . Figur e 3-23 sh ows the Downloa d Soft w are M enu an d the ac company ing tab l e des cribes th e Downl o ad Soft ...

  • Cabletron Systems ELS100-24TXG - page 65

    9032947 ELS100-24TXG User Interf ace 51 Save Cu rrent Co nfigurat ion The Save Curr en t Conf i g urati on scre en ensur es that al l ch anges m ade to the ELS100 -24TXG switch via th e console menus will b e stored in t he event of power outa ges or power cycle s. To s ave y our curre nt conf igur atio n, do th e foll owi ng: 1. Select g from the ...

  • Cabletron Systems ELS100-24TXG - page 66

    52 ELS100-24TXG Us er Interface ELS100-24TXG Reset Th e Rese t scre en al low s you t o perf orm a sw i tc h ha rdware reset . You are firs t pro m p ted as to whethe r or not to save the current sw itch co nfigu ration . To reset the switch, d o the fol lowing: 1. Select j from the Main M enu to view the R eset scr ee n. Th e fol lo win g me ssa g ...

  • Cabletron Systems ELS100-24TXG - page 67

    9032947 Config uring & Monit oring The Switch 53 4. C ONFIGU RING & MONITORI NG THE SW ITCH Co mmo n T ask s The switc h co nsole m enus al low yo u to mod ify de fault swi tch setti ngs and con figu r e the s wi tch fo r net work m a nagemen t. They al so allow you to mon ito r swi tch p er for m anc e and s tat us . Se e Se c ti on 3 , ? ...

  • Cabletron Systems ELS100-24TXG - page 68

    54 Confi guring & Monitori ng The Swi tch ELS100-24TXG Settin g Password Protection Th e ELS10 0-24TX G switch is fa ctor y- confi gur ed with a ccess rig hts to the consol e menu s set to REA D / WRITE. T hi s setting a llows a n yone to u se t he conso l e menu s to mo dify any o perat iona l par ameter . To pr otect the co nfigu ration of th ...

  • Cabletron Systems ELS100-24TXG - page 69

    9032947 Config uring & Monit oring The Switch 55 Chec king N etwo r k Co nfigu ration Status To check co nn ection status fo r the networ k, do the fo llowi ng: 1. Sele ct Po rt Me nu fr om the M ain Men u. If a net wor k ca ble i s pro per ly co nnec te d to a po rt , th e Li nk St at us f or the po rt r ead s C ON NE CTE D. If no cable i s co ...

  • Cabletron Systems ELS100-24TXG - page 70

    56 Confi guring & Monitori ng The Swi tch ELS100-24TXG 5. Sel ect one or mor e Trap Dest in ation en tries fr om th e menu and en ter the a pprop ria te IP a ddresse s. 6. Fo r ea ch t r ap de st inat io n ent er ed, a c orr esp ond in g co mmun it y na me sho ul d be ent er ed. Viewin g Switch Statistics To view switch statistics, do the follo ...

  • Cabletron Systems ELS100-24TXG - page 71

    9032947 Config uring & Monit oring The Switch 57 Dow nloa ding a Software U pgrade You c an upgr ade t he opera tional softwa re i n the ELS 100 -24T XG switc h wi tho ut phy sic all y op ening th e switch or bein g in the same lo cation. T he so ftw are st or age s ec tor in t he f la sh me mo ry o f th e sw itc h i s re prog ra mm ab l e, al ...

  • Cabletron Systems ELS100-24TXG - page 72

    58 Confi guring & Monitori ng The Swi tch ELS100-24TXG Downlo adi ng Via TFTP To perform a TFTP downl oad , yo u must f i rs t config ure th e E LS1 00- 24TXG switch. This consi sts of prog r amming the switch wi th an IP add res s, if this has not alrea dy been done, and e ntering the IP addres s of the TFTP serv e r a nd the name of the up gr ...

  • Cabletron Systems ELS100-24TXG - page 73

    9032947 Config uring & Monit oring The Switch 59 To configur e Span ning T ree P aramete r s, do the foll owing : 1. Sel ect S witch Conf ig uration M enu from th e Ma in Menu. 2. Sele ct Spann ing Tr ee C onfigur ation M enu. 3. Turn t he swi tch Spannin g Tr ee op eration on or o ff by tog gling the Spann ing Tr ee Proto col En able op tion b ...

  • Cabletron Systems ELS100-24TXG - page 74

    60 Confi guring & Monitori ng The Swi tch ELS100-24TXG Con figurin g Class of Service Y ou ca n configur e Class o f Serv ic e pa rame ters usi n g the Cl a ss of Se rvice Con figu r a tion Men u. This men u permi ts you to co nfigur e priority leve ls to tr aff ic be in g for war de d thr ou g h th e s wi tch . D u r ing pe rio ds of con ges t ...

  • Cabletron Systems ELS100-24TXG - page 75

    9032947 Config uring & Monit oring The Switch 61 3. Sele ct Po rt N ame an d e nter a Port Nam e . Press [En ter]. 4. Sele ct Port Enable to togg l e be twee n enab lin g (Yes ) and disab lin g (No ) the port( s ). 5 . S el ec t F l o w C o ntr ol E n ab le to to g gl e b etw e en ena bl ing ( Y es ) or disab ling (N o) flow c o ntrol on th e p ...

  • Cabletron Systems ELS100-24TXG - page 76

    62 Confi guring & Monitori ng The Swi tch ELS100-24TXG Th ere a re th ree typ es of di sp ositions ass ocia ted with ea ch add ress in the fo rw ardi ng ta bl e: • For war d, which d irect s pa ckets des t in ed for a s pe ci fi c MA C ad dress to a s p ecifi c por t. • Di scar d, which drops pa ckets d esti ned f or a sp ecific MAC ad dres ...

  • Cabletron Systems ELS100-24TXG - page 77

    9032947 Config uring & Monit oring The Switch 63 Conf igur ing B road c a st Cu toff Rat e This se tting aff ects the t hrottli ng of excessi ve broa dcast or un i cast pac kets with unknow n MAC address es being handle d by the swit ch. Nor mal l y, when thes e types of pack et s ar e rec e ived by the s witch, they are forwar de d (fl ooded ) ...

  • Cabletron Systems ELS100-24TXG - page 78

    ...

  • Cabletron Systems ELS100-24TXG - page 79

    9032947 SNMP Management 65 5. S NMP MANAGE MENT The SN MP Pr otocol SNM P (Si mple N et work Managem ent Proto col) is a co m muni cati on pro tocol d esigned specifi cally for the pu rpos e of man aging d evices or ot her e lements on a n etwork. Networ k equi pmen t comm only m anage d wi th SNMP i nclu des h ubs, sw itches , ro uters, a nd ho st ...

  • Cabletron Systems ELS100-24TXG - page 80

    66 SNMP Management ELS100-24TXG Th ere are three m ain ope r ations def ined in SN MP: • Oper ati on s tha t re ad i nf or ma ti on f ro m th e ma na ged dev ic e , s uch a s thos e used to obtai n statu s or sta tis tical data, ar e called GET oper atio ns. • Oper ations th at chan ge a fu nction al par ameter o n t he dev ice, s uch as those ...

  • Cabletron Systems ELS100-24TXG - page 81

    9032947 SNMP Management 67 This MIB re ports in formati on ab out the pr otocol s and network interfa c es sup porte d on t he age nt it self, a s well as othe r gen eral info r matio n. The MIB i s divid ed in to a num ber of grou ps, eac h of whic h cor res pond s to a spe cif ic pr otocol or set of informati on. Som e group s are d efined i n ot ...

  • Cabletron Systems ELS100-24TXG - page 82

    68 SNMP Management ELS100-24TXG various syste m, switch, and port leve l information. System info rmation MIB varia bles are sh own in T a ble 5-1, swi tch in form ation v ari ab les in Ta ble 5-2 , a nd port v ari a bles i n Tabl e 5-3. Ta ble 5-1 . S ystem In f ormati on Vari ables Table 5-2. Switch I nform atio n V ariables cont inued on ne xt p ...

  • Cabletron Systems ELS100-24TXG - page 83

    9032947 SNMP Management 69 Table 5-2 Switch Inf ormation Variables (cont inued) Variab le Desc ri pt i on Sw i tc hMirror edPort P ort t o be mirror ed from. Sw itc hMirror ingP ort Port to be mir ror i n g to. Sw i tc hXmit Mirro rEnable E nable/di s able mi rrori n g of t rans mitted traffic ou t of the mirror ed port to t he m i rror ing port. S ...

  • Cabletron Systems ELS100-24TXG - page 84

    70 SNMP Management ELS100-24TXG T abl e 5- 3. Po rt Va ri ab le s Com piling MIB Exten sions: Ca blet ron Web site Th e M I Bs suppor ted by th e ELS10 0-24T X G switc h must be com pil ed into t he SNMP network managem ent pla tform be fore t he switc h c a n be man aged. The supp orted MIBs a re av ail abl e usin g Cab letron ’ s websit e at: h ...

  • Cabletron Systems ELS100-24TXG - page 85

    9032947 Technic al Specifi cations 71 APPENDIX A. TECHNI CAL SPECIFICA TIONS Genera l Standa r ds Comp lia nce IE EE 802. 1D Tr anspar ent Bri dging Sp ecific atio ns (ISO/ IEC 10 03 8) IEEE 8 02.1p Traffic Cla ss Exp editing and Dy nam i c M ultica st Filter i n g IE EE 802. 1Q Vir tu al Br idged Local Area N etwor ks IE EE 802. 2 Loc al A r ea Ne ...

  • Cabletron Systems ELS100-24TXG - page 86

    72 Techni cal Specific ations ELS100-24TXG Electric al Spe cifi cat ions Inp ut v ol t ag e: 100- 24 0 VA C I npu t freq uency: 50- 60 Hz Max imu m pow er con sumptio n: 75 VA Physic al Height : 1.75 in. (4.4 cm) Leng t h: 16. 0 in . (4 0. 6 cm ) Wi dth : 17.1 in. (43 .4 cm mou ntable in a st andard 1 9 in. rack) Wei ght : 10. 5 lb . (4 .8 kg) Mi c ...

  • Cabletron Systems ELS100-24TXG - page 87

    9032947 Technic al Specifi cations 73 Port Specif ications Console Por t Tab le A-1 shows th e co nsole port pin as signmen ts. Ta b l e A- 1. R S -232 C onsole Port Pin As signm ent s 10B ase-T an d 100 Base-TX Por ts Tab le A-2 shows th e 1 0Bas e-T/10 0Bas e -TX p inout s. The se por ts ar e wi red M DI-X . All undefi ned pin s are not used. Ta ...

  • Cabletron Systems ELS100-24TXG - page 88

    74 Techni cal Specific ations ELS100-24TXG M DI/ MD I-X Cr oss ov er Ca ble Wi ring Fi gu re A-1 s how s the wi r ing s che me for impl em e nti ng a cro ssover cabl e if needed for conn ection to the swit ch’s 10 Base-T o r 100Bas e-TX po rts. S uch a ca ble may b e requi red wh en con necting th e swi tch to anot he r switch or a hub de vice. F ...

  • Cabletron Systems ELS100-24TXG - page 89

    9032947 Technic al Specifi cations 75 Coun try-Spec ific Req uireme nts Tab l e A- 3 lis ts t he pow er c o rd set r eq ui r em ent s by c o unt ry and id en ti fies the a ccredi ted agen cy with in th at coun try. Table A -3. Power Cord Set Re quirements by Country Note 1 Flexib le cord must b e <HA R> Type HO5VV -F or H O3 VV- F, 3 - cond u ...

  • Cabletron Systems ELS100-24TXG - page 90

    76 Techni cal Specific ations ELS100-24TXG Note 2 Flex ib l e cord m ust be Type SV, SJ, SPT or eq uivale nt, No. 18 AWG, 3- co ndu ctor . Wal l p l ug must be a tw o-p ole groun ding ty pe wit h a NE M A 5- 15P (15A, 125V) or NEMA 6 - 15P (1 5A 250 V) c onf igur ation. Note 3 A ppli an ce coupler, flexib le co r d, and wall plug m ust bear a " ...

  • Cabletron Systems ELS100-24TXG - page 91

    9032947 Spannin g Tree Concept s 77 APPENDIX B. SPANNI NG TREE CONC EPTS Genera l The IEEE 8 02. 1D Sp anning T ree Pr oto col res olve s the pr oblem s of phy sical l oops in a networ k b y est abli shi ng on e prim ary path between any two switch es i n a netw ork. A ny dupli cate pa ths ar e b arre d from u se and bec ome st andby o r bloc ked p ...

  • Cabletron Systems ELS100-24TXG - page 92

    78 Spanni ng Tree Concept s ELS100-24TXG Spa nni ng Tre e Prot ocol in a Netw ork Figu re B-1 i llustr at es th e u se o f th ree E LS100-24 TXG swi tche s to est abl i s h an ef fec ti v e Sp an ni n g Tr ee c onf ig ur at io n. Sw it che s A, B an d C are conne c t ed tog ether in a re dunda nt top ology ( more than o ne path betw een t wo po int ...

  • Cabletron Systems ELS100-24TXG - page 93

    9032947 Spannin g Tree Concept s 79 Table B-1. S panning Tre e Protocol De faults For det aile d info r matio n on the o pera tion of th e Spa nning Tree Protoc o l, con sult S ection 4 of I EEE Stan dard 802.1D, ISO/IEC 10 038:19 93. Span ning Tree Pro tocol Operatio n When the Sp anni ng Tre e Pro tocol is e nabled for the f irst tim e or wh en t ...

  • Cabletron Systems ELS100-24TXG - page 94

    80 Spanni ng Tree Concept s ELS100-24TXG Comm unica ting B etween Bridg es Per iod ic all y, all dev ic es runn in g th e Sp an ni ng Tr ee Pr ot oco l on a n etw or k t ransm i t packets to each o ther “i n care o f” the Br i dge Gr oup Addr ess whi ch all bri dges sha re. Whe n a bri dge rec eiv es a frame sent to the B ridg e G roup Addre ss ...

  • Cabletron Systems ELS100-24TXG - page 95

    9032947 Flow Cont rol 81 APPENDIX C. FLOW C ONTROL Flow contr ol i s a mec han ism w h ich a llows you to p rotect the sw itch fr om ove rload cond itions a nd to keep ad dition al tr affic off the net work w h en exce ssiv e con gest i o n will r esu l t . Figure C -1 illu strate s fl ow cont rol f or bot h hal f and f ull du plex a pplicat ions. ...

  • Cabletron Systems ELS100-24TXG - page 96

    82 Flow Control ELS1 00-24TXG Th e ELS100- 24TXG Por t Stati sti cs Sc reen i n dicat e s the numbe r of pa use f rame s that ha ve been sent, i ndicat ing th e n umber of time s full du plex flo w co ntrol h as o ccur r e d. For the full dup l e x pa use fram e mech anism to wor k, t he devic e conn ected to the swi tch por t mus t also su pp ort ...

  • Cabletron Systems ELS100-24TXG - page 97

    9032947 Virtua l LANs (VLANs) 83 APPENDIX D. VI RTUAL LANS (VLAN S) VLAN s and F ram e Tagg ing The EL S100- 24TXG sup ports IEEE 80 2.1Q -comp l ia nt virt ual LANs (VL AN s). This cap ab ilit y provid es a highly eff icient arch itecture for est ablishi ng VLAN s withi n a netw ork an d fo r c ont rolli ng broa dcas t/ mul ticas t traffi c b etwe ...

  • Cabletron Systems ELS100-24TXG - page 98

    84 Virtua l LANs (VLANs) ELS100-24TXG t o all conn ected stati ons an d interfa ces. When fr a m e s are forw arded ba ck t o des tinati on end s tations , the tag m ay or may not be str ipped off, dep endin g on t he c onf igur ation of the en d st ation an d the sw itch port. B y usi n g 802.1 Q ta gged V LANs, u sers fr om phy si cally dispe r s ...

  • Cabletron Systems ELS100-24TXG - page 99

    9032947 Virtua l LANs (VLANs) 85 VLAN Egress Ports The VLAN Egress Ports parameter is u sed to assign ports to a V LAN for carr ying VLAN tagg ed fram es ac ross a networ k. T he a ssignm ent of egr ess por ts does n ot affec t the assi gnment of VLAN I Ds to fr ame s enter ing the switch. H owever, fr ames exiti ng the sw i tch m ay be sent o u t ...

  • Cabletron Systems ELS100-24TXG - page 100

    86 Virtua l LANs (VLANs) ELS100-24TXG VLAN Hybrid Ports A VLA N Hybri d port i s used to conn ect one or more V LAN-awar e or V LAN- una w ar e d ev ic es to the swit ch. Bo th t agged and untag ge d fr am es can be r e cei v ed an d tra n s mit t ed on Hy b rid po rts . E gres s p orts sh oul d t ypi call y be conf igured as Hyb rid por ts. Whe n ...

  • Cabletron Systems ELS100-24TXG - page 101

    9032947 Virtua l LANs (VLANs) 87 In Ex a mple 3 in Figure D- 3B, an un tagged frame arrives at the le ft port (1) . The swi tch tags t he fra me wi th the P VID fo r VLAN X (2). Sin c e the des tinat ion MAC add ress ha s alr eady be en lear ned a s a ta gged statio n on VLA N X on t he outg oing p ort, the fr ame is sent ou t with a VL AN X ta g. ...

  • Cabletron Systems ELS100-24TXG - page 102

    88 Virtua l LANs (VLANs) ELS100-24TXG VLAN App lica tion Example A networ k a dmini s t rator c an u se VLANs to def ine user g roup s rega rdl ess of the p hysic al L AN segm ent to whic h they are co nnec ted. The use of Hybrid and Access links can further refine traffic flow in a multi-switch env ir onmen t. Figu r e D-4 sho w s the combi nation ...

  • Cabletron Systems ELS100-24TXG - page 103

    9032947 Class Of Serv ice 89 APPENDIX E. CLASS OF SERV ICE Cl ass o f Servi ce suppor t o n the E LS100- 24 TXG a l lows you to a ssign mi ssio n-criti cal data a hi ghe r pr iorit y thr ough the sw i t ch by del aying l ess cri ti cal tr affic dur ing per iod s of cong estion . Hi ghe r pr ior i t y tr affic th roug h the sw itch i s service d fir ...

  • Cabletron Systems ELS100-24TXG - page 104

    90 Class Of Service ELS100-24TXG Fi gure E-1 s hows pri ori ty queu ing opera ting w ithi n a switc h. F rames ente r in g the switc h thro ugh ports 1 and 4 are tag ged as nor mal traffi c a nd pla ce d in a nor ma l pri or it y que ue on th e o ut b ou nd po rt . Fr am es ent er in g t hroug h port s 2 and 5 ar e tagg ed as h i g h prio r ity tra ...

  • Cabletron Systems ELS100-24TXG - page 105

    9032947 Acronyms & Abbreviat i ons 91 APPENDIX F. A CRONYMS & ABBRE VIATIONS Term Definition 10Bas e-T 10 Mbps twist ed-p air Ethernet 100Bas e-TX 100M bps t wisted-pair Fast E therne t 1000Ba s e-X 1000Mbps Gig abit Eth erne t 1000Ba s e-SX 10 00Mbps Gig abit Etherne t, shor t -wave laser over m ult i - mode f i b er 1000Ba s e-LX 1000M bp ...

  • Cabletron Systems ELS100-24TXG - page 106

    92 Acrony ms & Abbrevi ations ELS100-24TXG Term Definition MIB Managemen t I n for m atio n Bas e PVID Port VLAN ID RFC Reque st for Com m ent RM O N Remo te Moni t ori n g RX D Re cei ve Dat a SNMP S i m pl e Net wo rk Mana gement Proto c ol STP Span ning Tree Prot ocol TCP/ IP Trans missio n Control Protoco l/Int erne t Pr oto- col TFTP Trivi ...

  • Cabletron Systems ELS100-24TXG - page 107

    9032947 In dex 93 INDEX 1000Bas e-X, 1 000Bas e-SX/LX/ CX po rts, 2 9 10Base -T/100B ase-TX P inou ts, 81, 83 802.1D, 14, 7 9, 87 Span ning Tree Protocol , 66 , 85 802.1p, 10, 18 , 79, 9 7 802.1Q, 1 0, 79, 91, 9 2, 93 802.2, 7 9 802.3, 2 8, 79 802.3i, 9, 79 802.3u, 9, 79 802.3x , 10, 7 9, 89 , 90 802.3z , 9, 79 A archi te cture, 10 auto-ne gotiatio ...

  • Cabletron Systems ELS100-24TXG - page 108

    94 Index ELS1 00-24TXG H Hello Time, 4 2 I inspect i ng yo ur s h ipment, 21 IP address assigning , 62 L LED mode but ton, 11 , 12, 1 3 defined, 11 LEDs , 11, 12, 13 local ba ckbone applicat ion, 20 login, 32 Logout , 35, 5 9 M MAC addre sses, 69 Main Menu, 31, 35 Max Age, 4 2 MDI/M D I-X Cross ov er Cable Wiri ng, 82 MDI- X, 28 Memor y, 80 menu hi ...

  • Cabletron Systems ELS100-24TXG - page 109

    9032947 In dex 95 Spanning T re e Por t Co nf igu ration Menu, 43 Spanning Tree P roto c ol d e fa ul ts , 87 Stand ards C ompliance IEE E, 7 9 store -and -forwa rd, 14, 87, 100 Switch Conf iguratio n Me nu, 35, 38 swi tch sta t i st ics , 64 Switch St at i st ics Scr een, 35, 53 Switc h Summ ar y Screen, 54 System Conf iguratio n Me nu, 35 , 36 T ...

  • Cabletron Systems ELS100-24TXG - page 110

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  • Cabletron Systems ELS100-24TXG - page 111

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  • Cabletron Systems ELS100-24TXG - page 112

    591-00 46-03A ...

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