12CHAPTER 2 LAN Emulation Overview | 3Com 5000 ATM guide

2-12CHAPTER 2: LAN EMULATION OVERVIEW

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3Com 5000 ATM manual 12CHAPTER 2 LAN Emulation Overview

Contents

CoreBuilder 5000 ATM Backbone SwitchModule User Guide 3Com Corporation Bayfront PlazaSanta Clara, California 95052-8145 Contents 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 Guide SETDefault !0 -IP NETaddr = ConventionsIcon Type Description Convention Description Commands Keys About this Guide Related Documents About this Guide SwitchModule IntroductionATM Backbone Overview ATM Forum Specification Compliance Switched Virtual Circuit CapacityMultiple Redundancy Levels CoreBuilder 5000 Chassis Compatibility Supported CoreBuilder SwitchModules Hot Swap Feature ATM Backbone SwitchModule Architecture StandardsStandards MIBs ATM Backbone SwitchModule Architecture 2ATM Backbone SwitchModule Base Configuration Descriptions ATM Backbone SwitchModule Descriptions PacketChannel plus ATM Cell-Switching SwitchChannel PacketChannelBackplane Description Slot, or Sample ATM Backbone SwitchModule Configurations 4Example Base Configuration NNI Configuration cards 6Example Dual-Homing/Module Redundancy Configuration Sample ATM Backbone SwitchModule Configurations 14CHAPTER 1 Introduction LAN Emulation Overview 2ATM Backbone SwitchModule Function LAN Emulation Components Broadcast and Unknown Server BUS Bridgeport-LEC Virtual Bridge vbridge Emulated LAN Elan 6Converting SwitchModule Packets to and from ATM Cells LAN Emulation Connections Control VCCs 8Data 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 Windows 2Windows Tools for Configuring ATM Backbone SwitchModules Third-Party SNMP-Based Tools Setting Up DMM AccessDMM management tools DMM DMM Configuration ConfigurationLAN Emulation Configuration Bridge Configuration ATM Configuration CB5000 set atm slot universion version Parameters Configuring LANEmulation Configuring ATM CB5000 set module slot.1 phyautomaticfailover enableOC-3 Card Redundancy Configuring Igmp CB5000 set atm slot.1 lossofsignallingdelay secondsCB5000 set module 9.1 igmpsnooping enable CB5000 set vbridge 1 igmpsnooping mode enable CB5000 reset module CB5000 show vbridge 1 igmpsnooping status 12CHAPTER 3 Configuring the ATM Backbone Switchmodule Status Monitoring Statistics Displaying General Vbridge Configuration Information CB5000 show vbridge all configuration noverbose Displaying Detailed Vbridge Configuration Information CB5000 show vbridge all configuration verbose Option Information Shown Displaying Igmp Snooping Vbridge InformationCB5000 show vbridge 11 igmpsnooping status CB5000 show module 4.1 verbose Displaying General Status Information CB5000 show bridgeport 4.all Displaying Detailed Information CB5000 show bridgeport 4.2 verbose CB5000 show counter bridgeport 4.2 interface CB5000 show count bridgeport 4.2 igmpsnooping CB5000 show atm 4 interface Learp CB5000 show atm 4 ilmiconfiguration CB5000 show atm 4 q93b CB5000 show atm 4 signalconfiguration CB5000 show atm 4 qsaal CB5000 show atm 4 statistics CB5000 show atm 4 trafficdescriptor all CB5000 show atm 4 vcc all CB5000 show bportlec 4.2 configuration BUS CB5000 show bportlec 4.2 statistics CB5000 show bportlec 4.2 status CB5000 show bportlec 4.2 servercircuits CB5000 show bportlec 4.2 learptable all CB5000 show sonet 13.1 status CB5000 show sonet 7.1 statistics interval all Sectionlinepath CB5000 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 Routers Enabling Igmp Snooping on CoreBuilder 5000 SwitchModules Shows a typical FTE Dram address forwarding entry Verifying Base Module LED Operation TroubleshootingTroubleshooting Using LEDs Reading the Base Module LEDs Module Status LED State Determining Corrective Action LED State Possible Cause Corrective Action Active DMM CB5000 show module all 6CHAPTER 6 Troubleshooting Card Functions Card functions CB5000 set atm slot universion Signaling FunctionsCB5000 show atm slot interface CB5000 show bportlec slot.lec configuration CB5000 set bportlec slot.lec mode enableFunctions CB5000 show atm slot vcc all CB5000 show bportlec slot.lec status CB5000 show counter bridgeport slot.lec interface CB5000 show bridgeport slot.lec verboseCB5000 show atm slot statistics Power up self-test diagnostics Obtaining Technical Assistance 14CHAPTER 6 Troubleshooting Specifications SpecificationsEnvironmental Mechanical Specification Value PowerATM OC-3 Card Fiber Optic Specifications Services ServicesTechnical Support Online Technical Access by Analog Modem Password your Internet e-mail addressHostname ftp.3com.com Country Data Rate Telephone Number 408 727 Access by Digital Modem847 262 Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific Rim Country Telephone Number Fax Number 6APPENDIX B Technical Support Index Numbers Lane URL B-1 Index 3Com Corporation Limited Warranty Warranties Exclusive