Manual Hitachi US7070447-001

98 pages 0.6 mb
Download

Go to site of 98

Summary
  • Hitachi US7070447-001 - page 1

    HiSpeed Fast Ethernet Switch Part No. US70 70447-001 , Rev 01 Troubleshootin g Guide ...

  • Hitachi US7070447-001 - page 2

    ii US7070447-001 T rade mar k s  T echnical Suppo rt • Y our name, address, te lephon e, and fax number • T ype o f equip ment, ser i al numbe r, and software ver s ion nu mber • A descripti on of any command s entere d and the resu ltin g ou tpu t • Whe th er you w ere tr yin g to co nnec t to ot he r eq uip ment ...

  • Hitachi US7070447-001 - page 3

    US7070447-001 iii Rev 01 T able of Contents Chapter 1 Introduction Purpose of the Guide ... ...... ....... ...... ....... ...... ....... ...... ....... ............. ...... ....... ...... ...... ......... 1-1 Basic Trouble shooti n g T ips ................... ............. ............. ................... ............. ............. .. 1-1 How to ...

  • Hitachi US7070447-001 - page 4

    iv US7070447-001 Rev 01 Chapter 4 Cabling Basic C onnection s ....... ............. ................... ............. ............. .................... ............ ......... 4-1 10BASE -TX Ports ....... .................... ............. ............. ................... ............. ............. .. 4-2 10/100BA SE-TX Ports ....... ............ ...

  • Hitachi US7070447-001 - page 5

    US7070447-001 v Rev 01 HiView Switch Mana g ement ........... ............. ............. .................... ............. ............ ......... 6-4 Windows 95/Window s NT 4.0 ......... ............. ................... ............. ............. ............... 6-4 UNIX ......... ............. ................... ............. ............. .. ...

  • Hitachi US7070447-001 - page 6

    vi US7070447-001 Rev 01 Chapter 10 T roubleshooting at the Network Layer IP (Internet Protocol) ... ...... ....... ...... ....... ............. ...... ....... ...... ....... ............. ...... ...... ....... 10 -1 Other IP-relat ed Services ..................... .................... ............. ............. ................... 10 -2 RIP (Routi ...

  • Hitachi US7070447-001 - page 7

    US7070447-001 vii Rev 01 Chapter 12 FDDI Concepts HiSpeed FDDI Uplink ..................... ............. .................... ............. ............. ................... 12 -2 Cable Conne ction s ............. ............. ............. ................... ............. ............. ............. 12-3 Obse rvi n g LEDs ...................... ...

  • Hitachi US7070447-001 - page 8

    viii US7070447-001 Rev 01 ...

  • Hitachi US7070447-001 - page 9

    US7070447-001 vii Rev 01 List of Figures Fi g ure 2-1. Model HS140-01 0 base mo del wit h an HS-1 50-010- 16E expansi on module install ed .......... ............. ............. ................... ............. .. 2- 4 Fi g ure 2-2. HS150- 100-16 base mode l with an HS 150-100- 8E exp ansion module in stalled .............. ................... ... ...

  • Hitachi US7070447-001 - page 10

    viii US7070447-001 Rev 01 ...

  • Hitachi US7070447-001 - page 11

    US7070447-001 ix Rev 01 List of T a bl es T able 2-1. Base model co nfi g urations .... ....... ...... ....... ...... ....... ...... ....... ...... ...... ....... .. 2 - 3 T able 2-2. HiSpeed swi tch expan sion module s .. ............. ............. ............. ............. .. 2- 5 T able 2-3. Uplink modu les fo r the HS15 -010 and HS150-10 0 . ...

  • Hitachi US7070447-001 - page 12

    x US7070447-001 Rev 01 ...

  • Hitachi US7070447-001 - page 13

    US7070447-001, Rev 01 1- 1 Chap ter 1 Introduction Purpose of the Guid e The purpos e of this trouble shooting gu ide is t o assist users in u nderstanding , identi fying and d iagnosing network re lated pr oblems in a s witched ne twork environ ment. Addi tionally , the guide allows us ers to gain a better u nderstand ing of the Hi tachi’ s HiSp ...

  • Hitachi US7070447-001 - page 14

    HiSpee d Switch Tro ubleshoo ting Guide 1-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ❒ Are all users af fected ? Or a cert ain group o f users on a specif ic segment? ❒ Are all types of t raf fic a ff ected? In other wo rds, what pr otocols are fail ing? ❒ Is the pro blem con si ste nt or inte r mit tent? ❒ Can the us ers pi ...

  • Hitachi US7070447-001 - page 15

    Introductio n US7070447-001, Rev 01 1-3 Draft Level—Hitachi Confidential Abatch pr ogram call ed di spc fg is avail able on Hi tachi’ s anonymous F TP server (204. 48.18.63). When u sed in combi nation wit h HiSpeed’ s debugging commands , relevant co nfigurat ion on the switch is captured and the re sults are writte n to the file d ispcfg.da ...

  • Hitachi US7070447-001 - page 16

    HiSpee d Switch Tro ubleshoo ting Guide 1-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ...

  • Hitachi US7070447-001 - page 17

    US7070447-001, Rev 01 2- 1 Chap ter 2 HiSpeed Switch What is the HiSpeed Switch? The HiS peed switch is a multipr otocol, Fa st Etherne t workgrou p switch th an can be confi gured for up to 32 10/ 100 Mbps LAN switc h ports, de pending on t he model. The HiSpeed swi tch maximizes performanc e in exist ing shared med ia LANs by all owing up to 3 2 ...

  • Hitachi US7070447-001 - page 18

    HiSpee d Switch Tro ubleshoo ting Guide 2-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ❒ Supports multiple hardware c onfiguratio ns and p rovides suppor t for th e followi ng port co nfiguration s: — 10BASE-TX port s — 10/100BASE-TX port s — 100BASE-F X ports — PCI-b ased A TM Uplink to s erver — PCI-b ased FDDI Uplink t ...

  • Hitachi US7070447-001 - page 19

    HiSpeed Switc h US7070447-001, Rev 01 2-3 Draft Level—Hitachi Confidential Each of t he HS150 and HS14 0 models has one expansi on slot whi ch can be populat ed with an e xpansion modu le that d oubles the number and/ or type of availa ble ports . The expansi on modules c an be inst alled i n the field o r at the factor y prior t o shipment. The ...

  • Hitachi US7070447-001 - page 20

    HiSpee d Switch Tro ubleshoo ting Guide 2-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential HS140/150-010 Model The -010 mod els ship wi th a sixt een port module confi gured in t he capti ve slot. This module can cons ist o f 10BASE-TX, 10/ 100BASE-TX or 100BASE-FX ty pe ports a nd can be con figured wi th eithe r all one ty pe of port or ...

  • Hitachi US7070447-001 - page 21

    HiSpeed Switc h US7070447-001, Rev 01 2-5 Draft Level—Hitachi Confidential Key : ➀ Conso le port ➁ Reset button/Power LED ➂ Onboard module (with TX ports ) ➃ Expansi on slot (wi th TX po rts) ➄ UpLi nk slot Figure 2-2. HS1 50-100-16 base mode l with an HS150 -100-8E ex pansion module installed Expansion Modules There ar e current ly thr ...

  • Hitachi US7070447-001 - page 22

    HiSpee d Switch Tro ubleshoo ting Guide 2-6 US7070447-001, Rev 01 Draft Level—Hitachi Confidential UpLink Modules The upli nk module is install ed into the u plink slo t locate d in the upp er left corner of the f ront pane l. The upli nk provide s high-speed s erver ac cess for F DDI and A TM. Only the HS150-01 0 and -10 0 models accommoda te s ...

  • Hitachi US7070447-001 - page 23

    US7070447-001, Rev 01 3- 1 Chap ter 3 Hardware Diagnos tics The power and st atus LEDs indi cate the gen eral opera tions of the HiSpe ed switch. The HiSpee d switch pr ovides tr ansparent op eration o nce it ha s been ins talled and configu red. If yo u suspect t hat it may be malfunc tioning or ca using a sy stem problem, c heck the s tatus of th ...

  • Hitachi US7070447-001 - page 24

    HiSpee d Switch Tro ubleshoo ting Guide 3-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Figure 3 -1. Module LEDs Reset Button The Reset button , loc ated on the fr ont pan el of the s wit ch, all ows you t o manuall y recycl e power a nd reset the switc h. Pressing the Res et button initia tes a warm boot of t he syste m and generat es ...

  • Hitachi US7070447-001 - page 25

    Hardware Diagnostics US7070447-001, Rev 01 3-3 Draft Level—Hitachi Confidential Reset Button The Reset button , loc ated on the fr ont pan el of the s wit ch, all ows you t o manuall y recycl e power a nd reset the switc h. Pressing the Res et button initia tes a warm boot of t he syste m and generat es power-o n self te st (POST) an d diagnost i ...

  • Hitachi US7070447-001 - page 26

    HiSpee d Switch Tro ubleshoo ting Guide 3-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Each FX port has two LEDs t o the ri ght of the SC connector . T able 3- 3 lists th e LED s a nd t hei r fu nc tion. T a ble 3-2. RJ-45 LEDs LED Color Status Desc ription LINK Link Green Solid Link is active and c onnecte d. Flashin g The link is in ...

  • Hitachi US7070447-001 - page 27

    Hardware Diagnostics US7070447-001, Rev 01 3-5 Draft Level—Hitachi Confidential HiSpeed Memo ry , Boot Prom, Flash Components The HiS peed switch is shipp ed standard f rom the fac tory with the foll owing system co nfigurat ions. ❒ Memory: 8 Mb ytes (D RA M) ❒ Boot Pr om: 512 Kbytes (EPROM) — Initi alizati on boot cod e — Po wer- On Self ...

  • Hitachi US7070447-001 - page 28

    HiSpee d Switch Tro ubleshoo ting Guide 3-6 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ❒ Etherne t port se ttings: autonegotiat ion is ON ❒ Spanning T ree is en abled These se ttings pr ovide for switching in a single broadcast domain. ...

  • Hitachi US7070447-001 - page 29

    US7070447-001, Rev 01 4- 1 Chap ter 4 Cabling The HiS peed switch model s are si milar in p hysical ma keup of port s and LEDs. This sec tion desc ribes th e followi ng port typ es, LED confi gurations , and connect ions for a ll models. ❒ 10BASE-TX port s ❒ 10/100BASE-T X ports ❒ 100BASE-F X ports ❒ Console c onnection ❒ Reset but ton Ba ...

  • Hitachi US7070447-001 - page 30

    HiSpee d Switch Tro ubleshoo ting Guide 4-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ❒ Line tr ansmission modes on the 10/100BASE-TX por ts suppor t both half-d uplex and ful l-duplex oper ations. By def inition, th e CSMA/CD protoco l is half -duplex whe re data can b e transmit ted and rece ived in bot h direct ions, but only at ...

  • Hitachi US7070447-001 - page 31

    Cablin g US7070447-001, Rev 01 4-3 Draft Level—Hitachi Confidential 10/100BASE-TX Ports The 10/100 BASE-TX ports on the HiS peed switch ar e standar d RJ-45 connect ions using UTP Category 5 cabling. Th ese ports , like th e 10BASE-TX ports, a re wired f or MDI-X and r equire a cro ssover cab le when conne cting to an Etherne t hub or ano ther sw ...

  • Hitachi US7070447-001 - page 32

    HiSpee d Switch Tro ubleshoo ting Guide 4-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Console Port The consol e port ha s a DB-9 mal e connector u sed to connect a ma nagement termina l to the s witch by mean s of a str aight-thr ough DB-9 to DB-9 standard serial port cab le. Using a terminal, you can monit or the re sults of startup ...

  • Hitachi US7070447-001 - page 33

    Cablin g US7070447-001, Rev 01 4-5 Draft Level—Hitachi Confidential to view a nd configu re the cons ole parame ters. For informati on on these commands , refer t o the HiSpeed Switch User Guide , document number US7070424-0 01, that was shipped wit h your swit ch. ...

  • Hitachi US7070447-001 - page 34

    HiSpee d Switch Tro ubleshoo ting Guide 4-6 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ...

  • Hitachi US7070447-001 - page 35

    Doc Part Nu mber, Version Numb er 5- 1 Chap ter 5 Fundamental s of Netwo rking T oday , there a re many different types of computers and networking equipment available. These devices ar e expected to communicate with each other . For this reason, it is extremely important that a set of rules be established and implemented in order for networking de ...

  • Hitachi US7070447-001 - page 36

    HiSpee d Switch Tro ubleshoo ting GUide 5-2 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential Figure 5 -1. Network Media Layers 1 through 3 define the network and how da ta is transferred across the network. Layers 4 through 7 define how the data is used. Each of the seven layers are desc ribed in more detail below . La y er 1: P ...

  • Hitachi US7070447-001 - page 37

    Fund amentals of Networ king Doc Part Number, Version Number 5-3 Draft Level—Hitachi Confidential The LLC sublayer defines the logical connection to the upper la yer services based on a socket or Service Access Point (SAP). This allows two processes on the same network to maintain a “logical connection” with each other for the purpose of data ...

  • Hitachi US7070447-001 - page 38

    HiSpee d Switch Tro ubleshoo ting GUide 5-4 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential ...

  • Hitachi US7070447-001 - page 39

    Doc Part Nu mber, Version Numb er 6- 1 Chap ter 6 Methods of Managing the Sw itch Hitachi ’ s HiSpeed swit ch can be ma naged using the foll owing: ❒ Serial connection on the console port ❒ T elnet session over a TCP/IP netw ork ❒ SNMP using HiV ie w’ s Graphical User Inter face (GUI) CLI (Command Line Interface) Hitachi employes a comman ...

  • Hitachi US7070447-001 - page 40

    HiSpee d Switch Tro ubleshoo ting GUide 6-2 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential Conf igure the te rmin al to u se the foll owin g para mete rs : ❒ Data bits : 8 ❒ Stop bit : 1 ❒ Parity : none ❒ Flow cont rol:none T roubleshootin g a Console Connection Use the f ollowing p rocedure to t roublesho ot the si tu ...

  • Hitachi US7070447-001 - page 41

    Methods of Managi ng the Sw itch Doc Part Number, Version Number 6-3 Draft Level—Hitachi Confidential T roubleshootin g a T elnet Session Use the f ollowing p rocedure when yo u cannot es tablish a T elnet session t o the switc h: 1. V erify tha t the consol e settin g on the swi tch is unl ocked. /console>lock 2. V erify tha t a link i s esta ...

  • Hitachi US7070447-001 - page 42

    HiSpee d Switch Tro ubleshoo ting GUide 6-4 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential HiV iew Switch Management The HiS peed switch ca n be config ured using Hitachi’ s HiV iew graphica l user interf ac e ( GUI) ap plicati on. Hi V iew uses Simpl e Net wo rk Manage ment Proto col (SNM P) to com muni cat e to t h e SNMP ...

  • Hitachi US7070447-001 - page 43

    Methods of Managi ng the Sw itch Doc Part Number, Version Number 6-5 Draft Level—Hitachi Confidential UNIX The minimum sy stem requi rements to run on a UNIX pl atform ar e as foll ows: ❒ Sun SP A RC station ❒ SunOS 4.1. 1 or late r ❒ Motif 1.2 or greate r ❒ OpenV iew X.X or later HiView T ips Windows 95/NT 4.0 ❒ HiV iew can on ly manag ...

  • Hitachi US7070447-001 - page 44

    HiSpee d Switch Tro ubleshoo ting GUide 6-6 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential ❒ Selec t th e VL AN p rior to c han ging the VLAN co lor . Otherw is e, a c ore d ump will oc cur . T roubleshootin g HiView ❒ In the FDDI MAC s tatistics menu , the values f or Frame Rece ived and Frame Copied ar e dif ferent than ...

  • Hitachi US7070447-001 - page 45

    Methods of Managi ng the Sw itch Doc Part Number, Version Number 6-7 Draft Level—Hitachi Confidential “::= { enterprises hicam(399) nsg( 2) nsgConventions(200) 1 }”. The foll owing is an exampl e of the modified section of the NSGT C.MIB. EXAMPLE: IMPORTS MODULE-IDENTITY, enterprises FROM SNMPv2-SMI; -- hicamNsgConventions MODULE-IDENTIT Y -- ...

  • Hitachi US7070447-001 - page 46

    HiSpee d Switch Tro ubleshoo ting GUide 6-8 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential 2. Click on the menu bar labelle d “ T ools ”, then cl ick on “ MIB compil er …” A dialog windows will appear (s ee Figure 6-1). Figure 6-1. MIB Compiler 3. Click on “ Invok e MIB Compiler ”, select the priva te MIBs t o co ...

  • Hitachi US7070447-001 - page 47

    Methods of Managi ng the Sw itch Doc Part Number, Version Number 6-9 Draft Level—Hitachi Confidential 6. Click on the menu bar labell ed “ To o l s ”and click on “ MIB Br owser ”. A dial og window will appear . See Fig.2 belo w . Go to this dir ector y : iso.org.dod.internet.mgmt . and click on private ( enterprises ( hicam ( nsg . Figure ...

  • Hitachi US7070447-001 - page 48

    HiSpee d Switch Tro ubleshoo ting GUide 6-10 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential SNMPT alk Issues For the RMON gr oup s to wo rk p rope rl y , the mib.rt f il e ne eds to be loa ded in t he same dir ectory as SNMP T alk. The mib.rt file c on tai ns all MIB inf orma t ion . ...

  • Hitachi US7070447-001 - page 49

    US7070447-001, Rev 01 7- 1 Chap ter 7 Bridging Con cepts Basic Bridgi ng Concepts A bridge o perates at the Dat a Link Layer of the OSI mod el by forwardi ng or floodi ng packets based on th e destina tion MAC addresse s. A bridge n ormally operate s in promis cuous mode an d learns a ll packets on the netwo rk. The bri dge then bui lds an int erna ...

  • Hitachi US7070447-001 - page 50

    HiSpee d Switch Tro ubleshoo ting Guide 7-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Figure 7 -1. Using Spanning T r ee When Spannin g T ree is implement ed, redunda nt bridge ports ar e blocked and looping is elimin ated, as s hown in Figur e 7-1. The fir st step in formin g a Spannin g T ree is electi ng a r oot bridg e . Initia l ...

  • Hitachi US7070447-001 - page 51

    Bridging Co ncept s US7070447-001, Rev 01 7-3 Draft Level—Hitachi Confidential If, on an y given por t, a bridg e decides to keep a pa cket from a nother bridg e instea d of the pa cket that it would send , it no lon ger trans mits BPDU messag es. Basical ly , it drops out of the running bec aus e it real izes there is a bet ter br idge for the j ...

  • Hitachi US7070447-001 - page 52

    HiSpee d Switch Tro ubleshoo ting Guide 7-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Probl em: After r ebootin g my PC, I cannot log onto my Novell or DHCP server . Solution: PCs equ ipped with faster proc essors wil l boot up before ST A on the switch h as complete ly stabi lized. Bec ause the p orts on th e switch have not gone to ...

  • Hitachi US7070447-001 - page 53

    Bridging Co ncept s US7070447-001, Rev 01 7-5 Draft Level—Hitachi Confidential CLI Commands /vbridge/show/fwt Di splays the bridge forw arding T able. /vbridge/show/filter/all Displa ys all s tat ic e ntr ies in th e Bri dge Forwarding T able. /vbridge/show/bridge <vlan#> Displ ays the brid ge para me ters per VLAN. /vbridge/show/port <v ...

  • Hitachi US7070447-001 - page 54

    HiSpee d Switch Tro ubleshoo ting Guide 7-6 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ...

  • Hitachi US7070447-001 - page 55

    US7070447-001, Rev 01 8- 1 Chap ter 8 VLAN Concepts A VLAN is a net work that logicall y divides workgroups by functio ns, applic ations, et c. without regards to t he physic al locat ion of user s, there by locali zing netwo rk traf fic to t hose you woul d communicat e with most o ften. VLANs are bo unded by ro uters , ther efore , data withi n a ...

  • Hitachi US7070447-001 - page 56

    HiSpee d Switch Tro ubleshoo ting Guide 8-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Figure 8-1. VLANs VLANs provide some of the foll owing benef its: ❒ Reduced co sts As a comp any grows an d reor ganizes , physical moves, add s, and re-cabl ing are made t o their network. VLANs provide a co st ef fectiv e soluti on to network c ...

  • Hitachi US7070447-001 - page 57

    VLAN Concept s US7070447-001, Rev 01 8-3 Draft Level—Hitachi Confidential T roublesh ooting VL ANs Probl em: Cannot p ing a user(s) on a differ ent VLAN. Solution: V erify the foll owing:  V erify tha t the por t(s) the user(s) is connec ted to has the co rrect VLAN number( s) assigned to it. /VLAN/SHOW >vlan  V erify tha t you can ping ...

  • Hitachi US7070447-001 - page 58

    HiSpee d Switch Tro ubleshoo ting Guide 8-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential VLAN Tips For each VLAN created wi th an IP ad dress, an associ ated entr y is also gen erated. Therefo re, it is critic al to ver ify that th ese entri es exist. If any of t he entrie s are missing, t he sy st em configura ti on may be corr upt ed. ...

  • Hitachi US7070447-001 - page 59

    Doc Part Nu mber, Version Numb er 9- 1 Chap ter 9 T roublesho oting at the MAC Layer Ethernet Etherne t is a LAN based tec hnology wit h data transmiss ion rates of 10 or 100 Mbps. CSMA/CD (Ca rrier Se nse Mult iple Acces s with Coll ision Det ection) protoco l dictat es how Ethernet frames t raverse the network . In CSMA/CD, an Etherne t station c ...

  • Hitachi US7070447-001 - page 60

    HiSpee d Switch Tro ubleshoo ting GUide 9-2 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential Ph y sical Media Specific ations Common Ethernet Errors 10BASE-5 (Thick Co axial cab le) 10BASE-2 (Thin C oaxi al cab le) 10BASE-TX (Uns hi elde d T wisted Pair -UT P) 10BASE-FX (Fiber Opt ical Lin k) Max. sta tions per segme nt 1024 102 ...

  • Hitachi US7070447-001 - page 61

    Tro uble s hoot in g at th e MA C Laye r Doc Part Number, Version Number 9-3 Draft Level—Hitachi Confidential Ethernet Tips ❒ Ensure that both port speed and duplexity on the switch and endstations are th e same. ❒ By default, autonegotiation is enabled on the switch. If the endstation’ s network adapter card is not autonegotiating properly ...

  • Hitachi US7070447-001 - page 62

    HiSpee d Switch Tro ubleshoo ting GUide 9-4 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential T roublesh ooting Ethernet Probl em: Swit ch is n ot repor tin g any port sta tist ics e ven w ith tr aff ic o n my network. Solution: By def ault, port s tatisti cs is di sabled on t he switch . /ETHERNET/CONFIG >stat Probl em: Netwo ...

  • Hitachi US7070447-001 - page 63

    Tro uble s hoot in g at th e MA C Laye r Doc Part Number, Version Number 9-5 Draft Level—Hitachi Confidential CLI Commands /ETHERNET/SHOW >port Displ ays all port speed s, duple xity , auto nego tiat ion . /ETHERNET/SHOW >stat Disp lays if Et herne t st a tis tics are en abl ed/ disabl ed on a pe r port basi s. /ETHERNET/SHOW >count < ...

  • Hitachi US7070447-001 - page 64

    HiSpee d Switch Tro ubleshoo ting GUide 9-6 Doc Part N umber, Version Num ber Draft Level—Hitachi Confidential ...

  • Hitachi US7070447-001 - page 65

    US7070447-001, Rev 01 10- 1 Chapter 10 T rou bl eshoo ting a t the Networ k Laye r IP (Internet Protocol) The HiSpeed switch s upports IP ( Internet Pr otocol), a widely used Net work Layer protoco l used by de vices to communicate a cross a networ k. IP util izes a 32 -bit address structu re to ide ntify th e network an d node number . The three p ...

  • Hitachi US7070447-001 - page 66

    HiSpee d Switch Tro ubleshoo ting Guide 10-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Other IP-related Servic es The HiS peed switch sup ports the followin g IP-rel ated funct ions: ❒ Address Resolution Protocol (ARP) Used to resolve an IP to MAC address allowing devices to communica te at the Data Link layer . The HiSpeed switch ...

  • Hitachi US7070447-001 - page 67

    Trou ble s h oot ing at th e Net work Layer US7070447-001, Rev 01 10-3 Draft Level—Hitachi Confidential T o prevent rou ting loops, t he HiSpeed swi tch imple ments Split Horizon. N etworks t hat are lea rned thro ugh a part icular i nterface wil l not get advertise d back out that same i nterface. Route Cache Forwardin g vs. IP Forwardin g The H ...

  • Hitachi US7070447-001 - page 68

    HiSpee d Switch Tro ubleshoo ting Guide 10-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Common ICMP Destination Unreachable Mes sa g es Network Unreachable This me ssage is sent by a r outer ind icating tha t it cann ot reach t he speci fied network. T his may be a result of a misconfig ured mask , link down, mis sing route, or an in ...

  • Hitachi US7070447-001 - page 69

    Trou ble s h oot ing at th e Net work Layer US7070447-001, Rev 01 10-5 Draft Level—Hitachi Confidential T roublesh ooting I P Probl em: A n externa l ro uter is co nnected to my s witch. I ca n ping the r outer interf ace on my network but cannot r each any net works beyond t he rou t e r . Solution: Use the f ollowing s olutions :  V erify th ...

  • Hitachi US7070447-001 - page 70

    HiSpee d Switch Tro ubleshoo ting Guide 10-6 US7070447-001, Rev 01 Draft Level—Hitachi Confidential  and per fo rmanc e is sues. I f us ing stati c rout es o n the Hi Spee d s witch, you must con figure t hos e r out es on t hose di re ctly con nected swi tches and rout ers. On the HiSpeed swit ch, use th e followin g command: /INET/SHOW >s ...

  • Hitachi US7070447-001 - page 71

    US7070447-001, Rev 01 11- 1 Chapter 1 1 Basi c A TM Concept s Asynchron ous T ransfer Mode (A TM) is a connectio n-oriented p rotocol u sing 53 byte fi xed lengt h cells. On e signifi cant adva ntage of A TM is the a bility to carry voice, vi deo and dat a traf fic s imultaneousl y over a 155 megabit per second pi pe. The Hitac hi HiSpeed s witch i ...

  • Hitachi US7070447-001 - page 72

    HiSpee d Switch Tro ubleshoo ting Guide 11-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Permanent V irtual Circuits vs. Switched V irtual Circuits A TM connections can be est ablished manua lly (Per manent V irtual Circui ts) or dynami cally (Switc hes V irtual Circuit s). Permane nt V irtual Circuits (PVCs) are usuall y de fined for ...

  • Hitachi US7070447-001 - page 73

    Basi c ATM Concept s US7070447-001, Rev 01 11-3 Draft Level—Hitachi Confidential The comp onents of an Emulated LAN (ELAN) c onsists of the fol lowing: ❒ LAN Emulatio n Client (LEC) ❒ LAN Emulatio n Configurati on Server (LECS) ❒ LAN Emulatio n Server (LES) ❒ Broadcas t and Unknown Se rver (BUS) LAN Emulation Client (LEC) The LAN Emulati ...

  • Hitachi US7070447-001 - page 74

    HiSpee d Switch Tro ubleshoo ting Guide 11-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Classical IP over A TM (CIP) Classic al IP (CIP) all ows devices in dif ferent IP su bnets to communicate ac ross an A TM network. If the Class ical I P (CIP) interf aces are on di ffe rent LIS (Logi cal IP subnets ), and an ex ternal r outer is re ...

  • Hitachi US7070447-001 - page 75

    Basi c ATM Concept s US7070447-001, Rev 01 11-5 Draft Level—Hitachi Confidential Figure 1 1-4. A TM PTOP T runkin g T runking allows mult iple VLANs t o share th e same virt ual channe l connection (VCC) usin g either Permanent V irtual Connec tions (PVCs) or Switch ed V irtual Connecti ons (SVCs). Unli ke P TOP , VLAN informati on is passed acro ...

  • Hitachi US7070447-001 - page 76

    HiSpee d Switch Tro ubleshoo ting Guide 11-6 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Hitachi HiSpeed A TM Specifications ❒ UNI 3.0 & 3. 1 signaling i s support ed. ❒ Conforms t o ILMI Regist ration 3 .1 and ILMI MI B 4.0 specif ications. ❒ Due to memory constrai nts over the A TM uplink, 16 is the rec ommended number of P ...

  • Hitachi US7070447-001 - page 77

    Basi c ATM Concept s US7070447-001, Rev 01 11-7 Draft Level—Hitachi Confidential ❒ If your A TM configur ation is corrupt , delete y our A TM file fr om the CLI (rm atm. cur), rese t the sw itch , and re-c o nfigu re A TM. ❒ Signali ng changes may require you to reb oot the swi tch. T roubleshootin g LANE Probl em: I’ve cr eated a L EC serv ...

  • Hitachi US7070447-001 - page 78

    HiSpee d Switch Tro ubleshoo ting Guide 11-8 US7070447-001, Rev 01 Draft Level—Hitachi Confidential T roubleshootin g CIP Probl em: I’ve cr eated a CIP service but still cann ot connect to t he A TM network. Solution: Use the f ollowing s olutions :  V erify tha t the CIP serv ice has be en create d, admin sta tus is en abled, and prot ocol ...

  • Hitachi US7070447-001 - page 79

    Basi c ATM Concept s US7070447-001, Rev 01 11-9 Draft Level—Hitachi Confidential Probl em: The CIP connec tion is up and ac tive but I cannot ping acr oss t he A TM network. Solution: Use the f ollowing s olutions :  V erify tha t all IP addr esses, su bnet masks, a nd gateways are set correc tly on the VLANs and any at tached dev ices  V e ...

  • Hitachi US7070447-001 - page 80

    HiSpee d Switch Tro ubleshoo ting Guide 11-10 US7070447-001, Rev 01 Draft Level—Hitachi Confidential T roubleshootin g PTOP Probl em: I’ve cr eated a P TOP servi ce but cannot connect to th e A TM network. Solution: Use the f ollowing s olutions :  V erify that th e P T OP s erv ice h a s be en cr e ated , adm in st atu s is enabled , and pr ...

  • Hitachi US7070447-001 - page 81

    Basi c ATM Concept s US7070447-001, Rev 01 11-11 Draft Level—Hitachi Confidential – V erify si gnaling an d ILMI statu s should be ‘up’. /ATM/SHOW >port  V erify the foll owin g using /ATM/SHOW/connec tion: – OAM is up. – SSCOP , and ILMI is up. (for SVC only) – A Pt -Pt SVC or PVC co nnection is created p er P T OP instance. ? ...

  • Hitachi US7070447-001 - page 82

    HiSpee d Switch Tro ubleshoo ting Guide 11-12 US7070447-001, Rev 01 Draft Level—Hitachi Confidential T roubleshootin g T runkin g Probl em: I’ve cr eate d a T runking servic e but cannot connect to t he A TM network. Solution: Use the f ollowing s olutions :  V erify tha t the T runking servic e has been c reated, a dmin status is enabled , ...

  • Hitachi US7070447-001 - page 83

    Basi c ATM Concept s US7070447-001, Rev 01 11-13 Draft Level—Hitachi Confidential  V erify the following using /ATM/SHOW/connection: – OAM is up. – SSCOP , and ILMI is up. (for SVC o nly) – A T runk SVC or PVC con nection is cr eated pe r T runk ins tance. – A TM port con nection an d signali ng. Operationa l status , Line state, Signa ...

  • Hitachi US7070447-001 - page 84

    HiSpee d Switch Tro ubleshoo ting Guide 11-14 US7070447-001, Rev 01 Draft Level—Hitachi Confidential CLI Commands /ATM/SHOW >connection Disp lay s all a ctiv e A TM ci rcu i t s /ATM/SHOW >port Displays A TM port , Sig naling, a nd ILMI configura tions /ATM/SHOW >lec , lec <lec#> Disp lays a ll or a spec ifie d LEC statu s. /ATM/SH ...

  • Hitachi US7070447-001 - page 85

    US7070447-001, Rev 01 12- 1 Chapter 12 FDDI Concepts FDDI employes a dual ri ng topolog y using two counter-r otating fi ber rings : a primary and seconda ry . Data tr avels on t he primar y ring whil e the seco ndary back up ri n g is ut iliz ed if th e pr ima ry r ing fa ils. T he da ta ra te is 1 00 Mbp s base d on a ti med- token a ccess method ...

  • Hitachi US7070447-001 - page 86

    HiSpee d Switch Tro ubleshoo ting Guide 12-2 US7070447-001, Rev 01 Draft Level—Hitachi Confidential In a nor mal ring ope ration, a n FDDI stati on captures a free to ken and tra nsmits complete ly unless the token holding t imer (THT) ex pires. As the frame t raverse s the ri ng, every st ation ex amines the f rame and ch ecks for e rrors. When ...

  • Hitachi US7070447-001 - page 87

    FDDI Conc ept s US7070447-001, Rev 01 12-3 Draft Level—Hitachi Confidential The FDDI Up link module provides fiber opt ic connec tivity betwe en switche d 10/ 100 Ether net networ ks and an FDDI backbone net work. Cable Connections The FDDI Up link provide s two SC co nnector port s allowing for both a (Sing le Attache d Station) SAS and (Dual At ...

  • Hitachi US7070447-001 - page 88

    HiSpee d Switch Tro ubleshoo ting Guide 12-4 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Observing L EDs T able 2-1 prov ides inf ormation ab out what th e LEDs mean in v arious st ates FDDI Bridge Modes The HiS peed switch ca n operate in any of t he followi ng bridging mod es: ❒ Filter ing ❒ Forwardi ng ❒ Promiscuo us. The conf ...

  • Hitachi US7070447-001 - page 89

    FDDI Conc ept s US7070447-001, Rev 01 12-5 Draft Level—Hitachi Confidential Filterin g Mode W ith FDDI Filteri ng, packets bet ween FDDI- native devic es are fi ltered at the FDDI Uplink, not at th e switch’ s bridging ta ble. This me thod of fi ltering reduces the burd en on the HiSpe ed pr oce ss or . If the FDDI ring i s smal l and t he n um ...

  • Hitachi US7070447-001 - page 90

    HiSpee d Switch Tro ubleshoo ting Guide 12-6 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ❒ For AppleT alk us ers, must be ru nning soft ware vers ion 1.3.28 or later . ❒ FDDI Port serv ic e can onl y be bou nded to VLAN 1. RIP must be ‘active’ to route t raf fic from o ne VLAN to anoth er across FDDI. ❒ The FDDI dri ver execu ...

  • Hitachi US7070447-001 - page 91

    FDDI Conc ept s US7070447-001, Rev 01 12-7 Draft Level—Hitachi Confidential Probl em: I’m having a communication pr oblem with Platelike over FDDI . Solution: Use the f ollowing s olutions :  V erify that you are running firmware version 1.3.28 or above. In the CLI, enter the ‘vsys’ command. If not, upgrade firmware on the switch. Refer ...

  • Hitachi US7070447-001 - page 92

    HiSpee d Switch Tro ubleshoo ting Guide 12-8 US7070447-001, Rev 01 Draft Level—Hitachi Confidential Probl em: T raffic thr ough the FDDI po rt seems to slow and/or hang. Solution: There is cur rently an is sue with the FDDI dr iver a nd buf fe r managemen t. Engineer ing is ac tively wor king to re solve the problem. Pleas e contact Hitac hi’ s ...

  • Hitachi US7070447-001 - page 93

    FDDI Conc ept s US7070447-001, Rev 01 12-9 Draft Level—Hitachi Confidential CLI Commands /FDDI/SHOW/MAC>nbraddr D isplays the FDDI M AC Neigh bor addres s table. /FDDI/SHOW/MAC>status C hecks for th e status o f the Ring M anageme nt state, duplicat e address tests, an d time v alues. /FDDI/SHOW/MAC>stats Dis plays the nu mber of tx/rx f ...

  • Hitachi US7070447-001 - page 94

    HiSpee d Switch Tro ubleshoo ting Guide 12-10 US7070447-001, Rev 01 Draft Level—Hitachi Confidential ...

  • Hitachi US7070447-001 - page 95

    US7070 447-001, R ev 01 Index-1 Symbols Numbers A B C , D Index ...

  • Hitachi US7070447-001 - page 96

    Inde x-2 US7070447-00 1, Rev 0 1 E F G H I L ...

  • Hitachi US7070447-001 - page 97

    US70704 47-001, R ev 01 Index-3 M N O P R , S T ...

  • Hitachi US7070447-001 - page 98

    Inde x-4 US7070447-00 1, Rev 0 1 U V ...

Manufacturer Hitachi Category Switch

Documents that we receive from a manufacturer of a Hitachi US7070447-001 can be divided into several groups. They are, among others:
- Hitachi technical drawings
- US7070447-001 manuals
- Hitachi product data sheets
- information booklets
- or energy labels Hitachi US7070447-001
All of them are important, but the most important information from the point of view of use of the device are in the user manual Hitachi US7070447-001.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Hitachi US7070447-001, service manual, brief instructions and user manuals Hitachi US7070447-001. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Hitachi US7070447-001.

A complete manual for the device Hitachi US7070447-001, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Hitachi US7070447-001 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Hitachi US7070447-001.

A complete Hitachi manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Hitachi US7070447-001 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Hitachi US7070447-001, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Hitachi US7070447-001, that we can find in the current document
3. Tips how to use the basic functions of the device Hitachi US7070447-001 - which should help us in our first steps of using Hitachi US7070447-001
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Hitachi US7070447-001
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Hitachi US7070447-001 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Hitachi US7070447-001?

Use the form below

If you did not solve your problem by using a manual Hitachi US7070447-001, ask a question using the form below. If a user had a similar problem with Hitachi US7070447-001 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Comments (0)