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Hitachi US7070447-001 manual Index, Symbols, #/Numbers, C /*@, #/751A

Models: US7070447-001

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US7070447-001, Rev 01

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Hitachi US7070447-001 manual Index, Symbols, #/Numbers, C /*@, #/751A

Contents

HiSpeed Fast Ethernet Switch Troubleshooting GuideType of equipment, serial number, and software version number A description of any commands entered and the resulting output#&$$% Your name, address, telephone, and fax numberChapter Introduction Table of ContentsHiSpeed Switch Hardware DiagnosticsFundamentals of Networking Methods of Managing the SwitchChapter Cabling ChapterChapter Troubleshooting at the MAC LayerChapter Bridging ConceptsBasic ATM Concepts Chapter Troubleshooting at the Network LayerChapter Index ChapterFDDI Concepts US7070447-001 List of Figures US7070447-001 List of Tables US7070447-001 Chapter Introduction Purpose of the Guide Basic Troubleshooting TipsHow to Contact Tech Support If using a browser, type in the following URLs to download the files US7070447-001, Rev HiSpeed Switch Troubleshooting GuideDraft Level-Hitachi Confidential Basic Product Features Supported Chapter HiSpeed Switch What is the HiSpeed Switch?Available Configurations Base model configurations HS140/150-100 Model HS140/150-010 ModelHiSpeed switch expansion modules Expansion ModulesTable 2-3. Uplink modules for the HS15-010 and HS150-100 UpLink ModulesObserving LEDs Chapter Hardware DiagnosticsLEDs Reset ButtonLED status Reset ButtonThere is no link present on the port RJ-45 LEDsLEDs on FX ports Memory HiSpeed Memory, Boot Prom, Flash ComponentsFactory Switch Settings Boot PromDraft Level-Hitachi Confidential Ethernet port settings autonegotiation is ON Spanning Tree is enabledThese settings provide for switching in a single broadcast domain HiSpeed Switch Troubleshooting GuideBasic Connections Chapter CablingTable 4-1. RJ-45 Connector pin assignments 10BASE-TX Ports100BASE-FX Ports 10/100BASE-TX PortsConsole Port US7070447-001, Rev CablingDraft Level-Hitachi Confidential US7070447-001, Rev HiSpeed Switch Troubleshooting GuideDraft Level-Hitachi Confidential Doc Part Number, Version Number Chapter Fundamentals of NetworkingLayer 2 Data Link Layer Examples of Physical Layer devices are repeaters and hubsLayer 1 Physical Layer Layer 4 Transport Layer Examples of Layer 2 devices are bridges and switchesExamples of Layer 3 devices are routers Layer 3 Network LayerDoc Part Number, Version Number HiSpeed Switch Troubleshooting GUideDraft Level-Hitachi Confidential SNMP using HiView’s Graphical User Interface GUI Chapter Methods of Managing the SwitchCLI Command Line Interface Using the Console PortTroubleshooting a Console Connection Using a Telnet SessionLogging In Troubleshooting a Telnet SessionTroubleshooting the Login Procedure Windows 95/Windows NT HiView Switch ManagementUNIX UNIXHiView Tips Windows 95/NTvalid Troubleshooting HiViewTroubleshooting Network Management software on the HiSpeed switch SNMPC IssuesEXAMPLE MeterWare IssuesMIB Compiler “ Reload Now”againDoc Part Number, Version Number Note Viewing Hitachi’s private MIBs requires further testingFigure 6-2. Fig2. MIB Browser Draft Level-Hitachi ConfidentialDoc Part Number, Version Number SNMPTalk IssuesDraft Level-Hitachi Confidential How Spanning Tree Works Chapter Bridging Concepts Basic Bridging ConceptsUsing Spanning Tree to eliminate ata looping Figure 7-1. Using Spanning TreeTroubleshooting Bridging Issues To disable Spanning Tree on the switch, type vbridge/show/fwt CLI Commandsvbridge/config/bridge vlan# vbridge/config/filterUS7070447-001, Rev HiSpeed Switch Troubleshooting GuideDraft Level-Hitachi Confidential Chapter VLAN Concepts VLANs provide some of the following benefits Reduced costs Problem Cannot ping a users on a different VLAN Troubleshooting VLANsVLAN Entries VLAN TipsUseful CLI Commands Chapter Troubleshooting at the MAC Layer Ethernet Common Ethernet Errors Physical Media SpecificationsEthernet Tips Problem Network is experiencing a large number of packet losses Troubleshooting EthernetCLI Commands Doc Part Number, Version Number HiSpeed Switch Troubleshooting GUideDraft Level-Hitachi Confidential Chapter Troubleshooting at the Network Layer IP Internet Protocol RIP Routing Information Protocol Other IP-related ServicesStatic Routes vs. Dynamic Routes Default RouteRoute Cache Forwarding vs. IP Forwarding Port Unreachable Common ICMP Destination Unreachable MessagesNetwork Unreachable Host UnreachableProblem Performance is slow when routing across different networks Troubleshooting IPProblem Cannot establish a telnet session to the switch CLI CommandsFigure 11-1. VPI/VCI Chapter Basic ATM ConceptsLAN Emulation LANE Permanent Virtual Circuits vs Switched Virtual CircuitsBroadcast and Unknown Server BUS LAN Emulation Configuration ServerLAN Emulation Client LEC LAN Emulation Server LESFigure 11-3. ATM CIP Classical IP over ATM CIPPoint-to-Point Bridging PTOP HiSpeed switch TrunkingHiSpeed switch HiSpeed switchATM Troubleshooting Tips Hitachi HiSpeed ATM SpecificationsPORTSERV/CONFIG/create 34 vps Troubleshooting LANEATM/CONFIG/CREATE/lec lec id ATM/CONFIG/MODIFY portVerify the following using /ATM/SHOW/connection Troubleshooting CIPATM/SHOW cip ATM/SHOW cip cip id /VLAN/SHOW/routerATM/SHOW cip cip id /VLAN/SHOW/vlan VLAN/SHOW/VLANATM/SHOW/ptop ptop id /ATM/CONFIG/ENABLE/ptop ptop id Troubleshooting PTOPPage ATM/SHOW/trunk trunk id /ATM/CONFIG/ENABLE/trunk trunk id Troubleshooting TrunkingVerify the following using /ATM/SHOW/connection Verify all ATM Trunk ports are in a ‘Forwarding’ state usingDisplays all or a specified PTOP status CLI CommandsATM/SHOW trunk, trunk trunk# /ATM/SHOW/ARP CIP, LEC /ATM/CONFIG Displays all active ATM circuitsFigure 12-1. HS150 on an FDDI network Chapter FDDI ConceptsFigure 12-2. FDDI Uplink Module installed in an HS150 HiSpeed FDDI UplinkCable Connections Observing LEDs FDDI Bridge ModesThe HiSpeed switch can operate in any of the following bridging modes Promiscuous Mode FDDI Troubleshooting TipsFiltering Mode Forwarding ModeVerify that physical port 34 is active using vvp Troubleshooting FDDIProblem I cannot ping to some stations via FDDI Problem I’m having a communication problem with Platelike over FDDIProblem Cannot ping another VLAN over FDDI Problem Traffic through the FDDI port seems to slow and/or hang CLI Commands US7070447-001, Rev HiSpeed Switch Troubleshooting GuideDraft Level-Hitachi Confidential C /*@ SymbolsIndex #/NumbersUS7070447-001, Rev N ==!? 751,AC1=5.2 #./8#2/1US7070447-001, Rev ?U?B*,8