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3Com 5000 ATM manual 14CHAPTER 6 Troubleshooting

Models: 5000 ATM

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6-14CHAPTER 6: TROUBLESHOOTING

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3Com 5000 ATM manual 14CHAPTER 6 Troubleshooting

Contents

CoreBuilder 5000 ATM Backbone SwitchModule User Guide 3Com Corporation Bayfront PlazaSanta Clara, California 95052-8145Contents LAN Emulation Overview Configuring the ATM Backbone Switchmodule Internet Group Management Protocol Igmp Snooping Troubleshooting Technical Support Figures Page Tables Page About this Guide IntroductionAudience GuideSETDefault !0 -IP NETaddr = ConventionsIcon Type Description Convention DescriptionCommands KeysAbout this Guide Related Documents About this Guide SwitchModule IntroductionATM Backbone OverviewATM Forum Specification Compliance Switched Virtual Circuit CapacityMultiple Redundancy Levels CoreBuilder 5000 Chassis CompatibilitySupported CoreBuilder SwitchModules Hot Swap Feature ATM Backbone SwitchModule Architecture StandardsStandards MIBsATM Backbone SwitchModule Architecture 2ATM Backbone SwitchModule Base Configuration DescriptionsATM Backbone SwitchModule Descriptions PacketChannel plus ATM Cell-Switching SwitchChannel PacketChannelBackplane DescriptionSlot, or Sample ATM Backbone SwitchModule Configurations 4Example Base ConfigurationNNI Configuration cards 6Example Dual-Homing/Module Redundancy ConfigurationSample ATM Backbone SwitchModule Configurations 14CHAPTER 1 Introduction LAN Emulation Overview 2ATM Backbone SwitchModule Function LAN Emulation ComponentsBroadcast and Unknown Server BUS Bridgeport-LECVirtual Bridge vbridge Emulated LAN Elan6Converting SwitchModule Packets to and from ATM Cells LAN Emulation Connections Control VCCs8Data VCCs in ATM Backbone SwitchModule LAN Emulation LAN Emulation Operation 10CHAPTER 2 LAN Emulation Overview LAN Emulation Operation 12CHAPTER 2 LAN Emulation Overview Configuring the ATM Backbone Switchmodule Transcend Network Control Services for Unix Configuration Tools Transcend Network Management Software for Windows2Windows Tools for Configuring ATM Backbone SwitchModules Third-Party SNMP-Based ToolsSetting Up DMM AccessDMM management tools DMM DMMConfiguration ConfigurationLAN Emulation Configuration Bridge ConfigurationATM Configuration CB5000 set atm slot universion versionEmulation Configuring LANParameters Configuring ATM CB5000 set module slot.1 phyautomaticfailover enableOC-3 Card RedundancyConfiguring Igmp CB5000 set atm slot.1 lossofsignallingdelay secondsCB5000 set module 9.1 igmpsnooping enable CB5000 set vbridge 1 igmpsnooping mode enableCB5000 reset module CB5000 show vbridge 1 igmpsnooping status12CHAPTER 3 Configuring the ATM Backbone Switchmodule Status Monitoring Statistics Displaying General Vbridge Configuration Information CB5000 show vbridge all configuration noverboseDisplaying Detailed Vbridge Configuration Information CB5000 show vbridge all configuration verboseCB5000 show vbridge 11 igmpsnooping status Displaying Igmp Snooping Vbridge InformationOption Information Shown CB5000 show module 4.1 verbose Displaying General Status Information CB5000 show bridgeport 4.allDisplaying Detailed Information CB5000 show bridgeport 4.2 verboseCB5000 show counter bridgeport 4.2 interface CB5000 show count bridgeport 4.2 igmpsnoopingCB5000 show atm 4 interface LearpCB5000 show atm 4 ilmiconfiguration CB5000 show atm 4 q93bCB5000 show atm 4 signalconfiguration CB5000 show atm 4 qsaalCB5000 show atm 4 statistics CB5000 show atm 4 trafficdescriptor allCB5000 show atm 4 vcc all CB5000 show bportlec 4.2 configuration BUSCB5000 show bportlec 4.2 statistics CB5000 show bportlec 4.2 statusCB5000 show bportlec 4.2 servercircuits CB5000 show bportlec 4.2 learptable allCB5000 show sonet 13.1 status CB5000 show sonet 7.1 statistics interval all SectionlinepathCB5000 show igmpsnooping module Ianaiftype MIB Using Graphical Interface Tools 22CHAPTER 4 Status Monitoring and Statistics Internet Group Management Protocol Igmp Snooping Before implementing Igmp snooping Shows a typical packet path before snooping occurs 2Format of an Igmp Version 1 Message Overview CoreBuilder SupportLocating Multicast RoutersEnabling Igmp Snooping on CoreBuilder 5000 SwitchModules Shows a typical FTE Dram address forwarding entry Troubleshooting Using LEDs TroubleshootingVerifying Base Module LED Operation Reading the Base Module LEDs Module Status LED StateDetermining Corrective Action LED State Possible Cause Corrective ActionActive DMM CB5000 show module all6CHAPTER 6 Troubleshooting Card Functions Card functions CB5000 show atm slot interface Signaling FunctionsCB5000 set atm slot universion CB5000 show bportlec slot.lec configuration CB5000 set bportlec slot.lec mode enableFunctions CB5000 show atm slot vcc allCB5000 show bportlec slot.lec status CB5000 show atm slot statistics CB5000 show bridgeport slot.lec verboseCB5000 show counter bridgeport slot.lec interface Power up self-test diagnostics Obtaining Technical Assistance 14CHAPTER 6 Troubleshooting Specifications SpecificationsEnvironmental MechanicalATM OC-3 Card Fiber Optic Specifications PowerSpecification Value Services ServicesTechnical Support Online TechnicalAccess by Analog Modem Password your Internet e-mail addressHostname ftp.3com.com Country Data Rate Telephone Number847 262 Access by Digital Modem408 727 Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific RimCountry Telephone Number Fax Number 6APPENDIX B Technical Support Index NumbersLane URL B-1 Index 3Com Corporation Limited Warranty Warranties Exclusive