Nortel Networks 207344-B manual Chapter Troubleshooting

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Chapter 4

Troubleshooting

This chapter provides suggestions for troubleshooting problems with the EtherSpeedII 10/100BASE-T switch module or the EtherSpeedII 100BASE-FX switch module and includes the following topics:

•EtherSpeedII switch module startup failure (page 4-2)

•Port connection problems (page 4-3)

To expedite support if you call Nortel Networks, have the following information ready:

•Hardware configuration

•Software configuration (including the image file version number and SpeedView version number)

•Network diagram

•Module or switch part number and serial number for the suspected module

•Brief description of the problem

207344-B

4-1

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Contents Using the Centillion EtherSpeedII Switch Modules European Requirements Only TrademarksStatement of Conditions USA Requirements OnlyJapan/Nippon Requirements Only Taiwan RequirementsCanada Requirements Only Nortel Networks Software License Agreement 207344-B 207344-B Contents Chapter Troubleshooting 207344-B 207344-B Figures Xii Tables Xiv Before You Begin PrefaceHard-Copy Technical Manuals Related PublicationsTechnical Solutions Center Telephone Number How to Get HelpPage Overview of the Switch Modules Overview of the EtherSpeedII Switch ModulesEtherSpeedII Switch Modules in a Network Center Features of the Switch ModulesOverview of the EtherSpeedII Switch Modules EtherSpeedII 10/100BASE-T 20-Port Switch Module Physical Description of the Switch ModulesEtherSpeedII 100BASE-FX 16-Port Switch Module LEDs on the EtherSpeedII 10/100BASE-T Switch Module LED Displays on the Switch ModulesNetwork Management Applications and Features Switch Configuration and ManagementCommand Line Interface MCP ModulesSnmp MIB Support Filtering Tftp SupportSpanning Tree Protocol 802.1d Support Support for Virtual LANsHot-Swapping Capability 10/100 Mb/s Autonegotiation PortsEtherSpeedII 10/100BASE-T Switch Module Chapter Planning a Network with EtherSpeedII Switch ModulesEtherSpeedII 100BASE-FX Switch Module Network Configuration ExamplesNetwork Example After Giving a Server a Dedicated PortReplacing a Bridge Replacing a BridgeData Center ATM Router Desktop Switch with ATM UplinksData Center Segment Switch in an Enterprise NetworkWiring Closet Desktop Switch and Frame-to-Cell ConverterMultiLink Trunking Example MultiLink TrunkingFactory Default Settings for the 10/100BASE-T Switch Module Default Port ConfigurationATM Predefined SpeedView ConfigurationsPage Preparing for Installation Installing the EtherSpeedII Switch ModulesSafety Installing a Switch ModuleRemove the filler panel Slot Module Guides Seating the Module LED Display for the 10/100BASE-T switch module Checking LEDs on the Switch ModulesLED Display for the EtherSpeedII 100BASE-FX Switch Module Removing a Module Making 10/100 Mb/s Cable ConnectionsWait 45 seconds Reconfiguring the Replacement Switch Module Installing the Replacement Switch ModuleChapter Troubleshooting EtherSpeedII Switch Module Startup Failure From the Map window, choose Statistics Port Connection ProblemsFrom the Map window in SpeedView, choose Statistics Standards Appendix a Technical SpecificationsMemory Technical Specifications Page UTP Cable Length Limitations Appendix B Cables and Connectors10BASE-T/100BASE-TX MDI Ports and MDI-X Ports UTP CablingFigure B-2. MDI-X to MDI-X External Crossover RJ-45 Example Figure B-3 illustrates an MT-RJ connector Figure B-4 BASE-T/100BASE-TX Ethernet UTP Crossover Cable UTP Cables and ConnectorsUsing Category 5 Unshielded Twisted Pair Cables Figure B-5. Fast Ethernet Type 1 Balun Media Adapter Using Shielded Twisted Pair CablesPage Appendix C LED Displays on EtherSpeedII Switch Modules Label Color/Status Meaning LED Displays on the EtherSpeedII Switch Modules Table C-2. LEDs on the EtherSpeedII 100BASE-FX Switch Module Numbers IndexIndex-2 Index-3 Index-4