Nortel Networks 207344-B manual From the Map window in SpeedView, choose Statistics

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Using the Centillion EtherSpeedII Switch Modules

3.Verify that the port is transmitting and receiving data frames.

a.Check the green RJ-45 LED, which indicates a data exchange.

Refer to Appendix C, “LED Displays on the EtherSpeedII Switch Modules,” for additional information.

b.From the Map window in SpeedView, choose Statistics.

When the statistics information is displayed at the management station, verify that the octet counts for transmit and receive are incrementing. Also verify that the frame counts for transmit and receive unicast traffic and for multicast traffic are incrementing.

c.From a configuration terminal connected to the serial port on the switch, access the CLI.

Use the show port command and specify the module number and port number for the suspected port. Verify that the following counters are incrementing:

•InOctet

•OutOctet

•InUcastPkt

•OutUcastPkt

•MulticastTransmittedOk

•MulticastReceivedOk

•BroadcastTransmittedOk

•BroadcastReceivedOk

4.If the port still fails, try inserting it into another switch network or shared segment.

If the port functions correctly, check the status of the first switch network or shared segment.

If the port fails to function, contact the nearest Nortel Networks Technical Solutions Center. Be ready to give the service representative the information listed on page 4-1.

4-4

207344-B

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Contents Using the Centillion EtherSpeedII Switch Modules USA Requirements Only TrademarksStatement of Conditions European 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 Preface Before You BeginRelated Publications Hard-Copy Technical ManualsHow to Get Help Technical Solutions Center Telephone NumberPage Overview of the EtherSpeedII Switch Modules Overview of the Switch ModulesFeatures of the Switch Modules EtherSpeedII Switch Modules in a Network CenterOverview of the EtherSpeedII Switch Modules Physical Description of the Switch Modules EtherSpeedII 10/100BASE-T 20-Port Switch ModuleEtherSpeedII 100BASE-FX 16-Port Switch Module LED Displays on the Switch Modules LEDs on the EtherSpeedII 10/100BASE-T Switch ModuleSwitch Configuration and Management Network Management Applications and FeaturesCommand Line Interface MCP ModulesSnmp MIB Support Support for Virtual LANs Tftp SupportSpanning Tree Protocol 802.1d Support Filtering10/100 Mb/s Autonegotiation Ports Hot-Swapping CapabilityChapter Planning a Network with EtherSpeedII Switch Modules EtherSpeedII 10/100BASE-T Switch ModuleNetwork Configuration Examples EtherSpeedII 100BASE-FX Switch ModuleNetwork Example Giving a Server a Dedicated Port AfterReplacing a Bridge Replacing a BridgeDesktop Switch with ATM Uplinks Data Center ATM RouterSegment Switch in an Enterprise Network Data CenterDesktop Switch and Frame-to-Cell Converter Wiring ClosetMultiLink Trunking MultiLink Trunking ExampleDefault Port Configuration Factory Default Settings for the 10/100BASE-T Switch ModulePredefined SpeedView Configurations ATMPage Installing the EtherSpeedII Switch Modules Preparing for InstallationInstalling a Switch Module SafetyRemove the filler panel Slot Module Guides Seating the Module Checking LEDs on the Switch Modules LED Display for the 10/100BASE-T switch moduleLED Display for the EtherSpeedII 100BASE-FX Switch Module Making 10/100 Mb/s Cable Connections Removing a ModuleWait 45 seconds Installing the Replacement Switch Module Reconfiguring the Replacement Switch ModuleChapter Troubleshooting EtherSpeedII Switch Module Startup Failure Port Connection Problems From the Map window, choose StatisticsFrom the Map window in SpeedView, choose Statistics Appendix a Technical Specifications StandardsMemory Technical Specifications Page Appendix B Cables and Connectors UTP Cable Length LimitationsUTP Cabling 10BASE-T/100BASE-TX MDI Ports and MDI-X PortsFigure B-2. MDI-X to MDI-X External Crossover RJ-45 Example Figure B-3 illustrates an MT-RJ connector UTP Cables and Connectors Figure B-4 BASE-T/100BASE-TX Ethernet UTP Crossover CableUsing Category 5 Unshielded Twisted Pair Cables Using Shielded Twisted Pair Cables Figure B-5. Fast Ethernet Type 1 Balun Media AdapterPage 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 Index NumbersIndex-2 Index-3 Index-4