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Hitachi US7070447-001 manual 751,A, C1=5.2, #./8#2/1, N ==!?, B8#//751A

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US7070447-001, Rev 01

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Image 97

Hitachi US7070447-001 manual 751,A, C1=5.2, #./8#2/1, N ==!?, B8#//751A

Contents

HiSpeed Fast Ethernet Switch Troubleshooting Guide#&$$% A description of any commands entered and the resulting outputYour name, address, telephone, and fax number Type of equipment, serial number, and software version numberHiSpeed Switch Table of ContentsHardware Diagnostics Chapter IntroductionChapter Cabling Methods of Managing the SwitchChapter Fundamentals of NetworkingChapter Troubleshooting at the MAC LayerBridging Concepts ChapterChapter Chapter Troubleshooting at the Network LayerBasic ATM Concepts FDDI Concepts ChapterIndex 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 Draft Level-Hitachi Confidential HiSpeed Switch Troubleshooting GuideUS7070447-001, Rev 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 ButtonLEDs on FX ports RJ-45 LEDsThere is no link present on the port Factory Switch Settings HiSpeed Memory, Boot Prom, Flash ComponentsBoot Prom MemoryThese settings provide for switching in a single broadcast domain Ethernet port settings autonegotiation is ON Spanning Tree is enabledHiSpeed Switch Troubleshooting Guide Draft Level-Hitachi ConfidentialBasic Connections Chapter CablingTable 4-1. RJ-45 Connector pin assignments 10BASE-TX Ports100BASE-FX Ports 10/100BASE-TX PortsConsole Port Draft Level-Hitachi Confidential CablingUS7070447-001, Rev Draft Level-Hitachi Confidential HiSpeed Switch Troubleshooting GuideUS7070447-001, Rev Doc Part Number, Version Number Chapter Fundamentals of NetworkingLayer 1 Physical Layer Examples of Physical Layer devices are repeaters and hubsLayer 2 Data Link Layer Examples of Layer 3 devices are routers Examples of Layer 2 devices are bridges and switchesLayer 3 Network Layer Layer 4 Transport LayerDraft Level-Hitachi Confidential HiSpeed Switch Troubleshooting GUideDoc Part Number, Version Number CLI Command Line Interface Chapter Methods of Managing the SwitchUsing the Console Port SNMP using HiView’s Graphical User Interface GUITroubleshooting a Console Connection Using a Telnet SessionTroubleshooting the Login Procedure Troubleshooting a Telnet SessionLogging In Windows 95/Windows NT HiView Switch ManagementHiView Tips UNIXWindows 95/NT UNIXTroubleshooting Network Management software on the HiSpeed switch Troubleshooting HiViewSNMPC Issues validEXAMPLE MeterWare IssuesMIB Compiler “ Reload Now”againFigure 6-2. Fig2. MIB Browser Note Viewing Hitachi’s private MIBs requires further testingDraft Level-Hitachi Confidential Doc Part Number, Version NumberDraft Level-Hitachi Confidential SNMPTalk IssuesDoc Part Number, Version Number 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/config/bridge vlan# CLI Commandsvbridge/config/filter vbridge/show/fwtDraft Level-Hitachi Confidential HiSpeed Switch Troubleshooting GuideUS7070447-001, Rev Chapter VLAN Concepts VLANs provide some of the following benefits Reduced costs Problem Cannot ping a users on a different VLAN Troubleshooting VLANsUseful CLI Commands VLAN TipsVLAN Entries 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 Draft Level-Hitachi Confidential HiSpeed Switch Troubleshooting GUideDoc Part Number, Version Number Chapter Troubleshooting at the Network Layer IP Internet Protocol RIP Routing Information Protocol Other IP-related ServicesRoute Cache Forwarding vs. IP Forwarding Default RouteStatic Routes vs. Dynamic Routes Network Unreachable Common ICMP Destination Unreachable MessagesHost Unreachable Port 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 CircuitsLAN Emulation Client LEC LAN Emulation Configuration ServerLAN Emulation Server LES Broadcast and Unknown Server BUSPoint-to-Point Bridging PTOP Classical IP over ATM CIPFigure 11-3. ATM CIP HiSpeed switch TrunkingHiSpeed switch HiSpeed switchATM Troubleshooting Tips Hitachi HiSpeed ATM SpecificationsATM/CONFIG/CREATE/lec lec id Troubleshooting LANEATM/CONFIG/MODIFY port PORTSERV/CONFIG/create 34 vpsVerify the following using /ATM/SHOW/connection Troubleshooting CIPATM/SHOW cip cip id /VLAN/SHOW/vlan ATM/SHOW cip cip id /VLAN/SHOW/routerVLAN/SHOW/VLAN ATM/SHOW cipATM/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 usingATM/SHOW trunk, trunk trunk# /ATM/SHOW/ARP CIP, LEC /ATM/CONFIG CLI CommandsDisplays all active ATM circuits Displays all or a specified PTOP statusFigure 12-1. HS150 on an FDDI network Chapter FDDI ConceptsFigure 12-2. FDDI Uplink Module installed in an HS150 HiSpeed FDDI UplinkCable Connections The HiSpeed switch can operate in any of the following bridging modes FDDI Bridge ModesObserving LEDs Filtering Mode FDDI Troubleshooting TipsForwarding Mode Promiscuous ModeVerify that physical port 34 is active using vvp Troubleshooting FDDIProblem Cannot ping another VLAN over FDDI Problem I’m having a communication problem with Platelike over FDDIProblem I cannot ping to some stations via FDDI Problem Traffic through the FDDI port seems to slow and/or hang CLI Commands Draft Level-Hitachi Confidential HiSpeed Switch Troubleshooting GuideUS7070447-001, Rev Index Symbols#/Numbers C /*@US7070447-001, Rev C1=5.2 751,A#./8#2/1 N ==!?US7070447-001, Rev ?U?B*,8