Hitachi US7070447-001 manual SNMPTalk Issues

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Draft Level—Hitachi Confidential

HiSpeed Switch Troubleshooting GUide

SNMPTalk Issues

For the RMON groups to work properly, the mib.rt file needs to be loaded in the same directory as SNMPTalk. The mib.rt file contains all MIB information.

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Contents Troubleshooting Guide #&$$% Table of Contents Chapter Methods of Managing the Switch Chapter CablingChapter Fundamentals of Networking Chapter Troubleshooting at the MAC Layer Chapter Bridging ConceptsChapter Vlan Concepts Chapter Troubleshooting at the Network Layer Chapter Basic ATM ConceptsChapter Fddi Concepts IndexViii List of Figures HS150-100-16 base model with an HS150-100-8E expansionViii List of Tables US7070447-001 Basic Troubleshooting Tips Chapter Introduction Purpose of the GuideHow to Contact Tech Support HIassist@hitachi.com HiSpeed Switch Troubleshooting Guide Chapter HiSpeed Switch What is the HiSpeed Switch? Basic Product Features SupportedAvailable Configurations Base model configurations Total Model Mbps Uplink Upgrades To Ports TX Ports FX PortsHS140/150-010 Model HS140/150-100 ModelHiSpeed switch expansion modules Expansion ModulesModule Number Mbps Mbps Base Model TX Ports FX PortsUpLink Modules Uplink modules for the HS15-010 and HS150-100Model Ports Type Base Model Chapter Hardware Diagnostics Observing LEDsReset Button LEDsModule LEDs LED statusHardware Diagnostics RJ-45 LEDs LEDs on FX portsColor Status Description Color State DescriptionHiSpeed Memory, Boot Prom, Flash Components Factory Switch SettingsHiSpeed Switch Troubleshooting Guide Chapter Cabling Basic ConnectionsRJ-45 Connector pin assignments Pin MDI-X Signal10BASE-TX Ports 10/100BASE-TX Ports 100BASE-FX PortsPins Signal Name Console PortConsole Port Pin Assignments Cabling HiSpeed Switch Troubleshooting Guide Chapter Fundamentals of Networking Examples of Physical Layer devices are repeaters and hubs Network MediaExamples of Layer 2 devices are bridges and switches HiSpeed Switch Troubleshooting GUide Chapter Methods of Managing the Switch CLI Command Line InterfaceUsing the Console Port Using a Telnet Session Troubleshooting a Console ConnectionTroubleshooting a Telnet Session LoggingHiView Switch Management Windows 95/Windows NTUnix HiView TipsTroubleshooting HiView Snmpc IssuesExample Reload Nowagain MIB CompilerFig2. MIB Browser SNMPTalk Issues Chapter Bridging Concepts Basic Bridging Concepts How Spanning Tree WorksUsing Spanning Tree Troubleshooting Bridging Issues To reduce the STA timer, type CLI Commands VlanHiSpeed Switch Troubleshooting Guide Chapter Vlan Concepts Default VLANs Multiple VLANs VLANsTroubleshooting VLANs Problem Cannot ping a users on a different VlanUseful CLI Commands Description CLI command Vlan entry createdVlan Tips Vlan EntriesChapter Troubleshooting at the MAC Layer Ethernet Physical Media Specifications Common Ethernet ErrorsAlignment errors FCS errorsEthernet Tips Oversized framesTroubleshooting Ethernet To clear the buffer queuesDisplays all port speeds, duplexity HiSpeed Switch Troubleshooting GUide IP address classes Class Range Subnet MaskOther IP-related Services RIP Routing Information ProtocolDefault Route Route Cache Forwarding vs. IP ForwardingStatic Routes vs. Dynamic Routes Common Icmp Destination Unreachable Messages Network UnreachableTroubleshooting IP CLI Commands Problem Cannot establish a telnet session to the switchChapter Basic ATM Concepts VPI/VCIPermanent Virtual Circuits vs Switched Virtual Circuits LAN Emulation LaneLAN Emulation Client LEC Classical IP over ATM CIP Point-to-Point Bridging PtopTrunking ATM PtopHitachi HiSpeed ATM Specifications ATM Troubleshooting TipsTroubleshooting Lane Troubleshooting CIP Verify the following using /ATM/SHOW/connection11-9 Troubleshooting Ptop Verify signaling and Ilmi status should be ‘up’ Troubleshooting Trunking Verify all ATM Trunk ports are in a ‘Forwarding’ state using Displays all active ATM circuits Chapter Fddi Concepts Dual RingFddi Uplink Module installed in an HS150 HiSpeed Fddi UplinkCable Connections SAS cable connectionsFddi Bridge Modes LED StatesLED Status Board Status Description Yellow Green Fddi Troubleshooting Tips Filtering ModeForwarding Mode Promiscuous ModeTroubleshooting Fddi Verify that physical port 34 is active using vvpProblem Cannot ping another Vlan over Fddi 12-8 Displays the Fddi MAC Neighbor address table 12-10 71$ IndexE54 C1=5.2 ?U?B*,8

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