Nni | 3Com 5000 ATM guide

Sample ATM Backbone SwitchModule Configurations 1-11

Dual-HomingFigure 1-5 illustrates the dual-homing configuration of an ATM Configuration Backbone SwitchModule with a redundant ATM OC-3 card.

ATM Backbone

SwitchModule

Primary

ATM OC-3

LECs 1 to 64

Ethernet or FDDI SwitchModule

Redundant ATM OC-3 LECs 1 to 64

ELANs 1 to 64

ATM Switch A

NNI

ELANs 1 to 64

ATM Switch B

Figure 1-5Example Dual-Homing Configuration

If the loss of light, frame, or cell delineation is detected, the redundant ATM OC-3 card becomes active and the primary ATM OC-3 card is disabled.

Image 29

3Com 5000 ATM manual Nni

Contents

CoreBuilder 5000 ATM Backbone SwitchModule User Guide Bayfront Plaza 3Com CorporationSanta 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 Introduction About this GuideAudience Guide Conventions SETDefault !0 -IP NETaddr =Icon Type Description Convention Description Keys Commands About this Guide Related Documents About this Guide Introduction SwitchModuleATM Backbone Overview Switched Virtual Circuit Capacity ATM Forum Specification ComplianceMultiple Redundancy Levels CoreBuilder 5000 Chassis Compatibility Supported CoreBuilder SwitchModules Hot Swap Feature Standards ATM Backbone SwitchModule ArchitectureStandards MIBs ATM Backbone SwitchModule Architecture Descriptions 2ATM Backbone SwitchModule Base Configuration ATM Backbone SwitchModule Descriptions PacketChannel PacketChannel plus ATM Cell-Switching SwitchChannelBackplane Description Slot, or 4Example Base Configuration Sample ATM Backbone SwitchModule Configurations NNI 6Example Dual-Homing/Module Redundancy Configuration Configuration cards Sample ATM Backbone SwitchModule Configurations 14CHAPTER 1 Introduction LAN Emulation Overview 2ATM Backbone SwitchModule Function Components LAN Emulation Bridgeport-LEC Broadcast and Unknown Server BUS Emulated LAN Elan Virtual Bridge vbridge 6Converting SwitchModule Packets to and from ATM Cells Control VCCs LAN Emulation Connections 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 Transcend Network Management Software for Windows Configuration Tools Third-Party SNMP-Based Tools 2Windows Tools for Configuring ATM Backbone SwitchModules Access Setting Up DMMDMM management tools DMM DMM Configuration ConfigurationLAN Emulation Configuration Bridge Configuration CB5000 set atm slot universion version ATM Configuration Parameters Configuring LANEmulation CB5000 set module slot.1 phyautomaticfailover enable Configuring ATMOC-3 Card Redundancy CB5000 set atm slot.1 lossofsignallingdelay seconds Configuring IgmpCB5000 set module 9.1 igmpsnooping enable CB5000 set vbridge 1 igmpsnooping mode enable CB5000 show vbridge 1 igmpsnooping status CB5000 reset module 12CHAPTER 3 Configuring the ATM Backbone Switchmodule Status Monitoring Statistics CB5000 show vbridge all configuration noverbose Displaying General Vbridge Configuration Information CB5000 show vbridge all configuration verbose Displaying Detailed Vbridge Configuration Information Option Information Shown Displaying Igmp Snooping Vbridge InformationCB5000 show vbridge 11 igmpsnooping status CB5000 show module 4.1 verbose CB5000 show bridgeport 4.all Displaying General Status Information CB5000 show bridgeport 4.2 verbose Displaying Detailed Information CB5000 show count bridgeport 4.2 igmpsnooping CB5000 show counter bridgeport 4.2 interface Learp CB5000 show atm 4 interface CB5000 show atm 4 q93b CB5000 show atm 4 ilmiconfiguration CB5000 show atm 4 qsaal CB5000 show atm 4 signalconfiguration CB5000 show atm 4 trafficdescriptor all CB5000 show atm 4 statistics CB5000 show atm 4 vcc all BUS CB5000 show bportlec 4.2 configuration CB5000 show bportlec 4.2 status CB5000 show bportlec 4.2 statistics CB5000 show bportlec 4.2 learptable all CB5000 show bportlec 4.2 servercircuits CB5000 show sonet 13.1 status Sectionlinepath CB5000 show sonet 7.1 statistics interval all 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 Support CoreBuilderLocating 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 Module Status LED State Reading the Base Module LEDs LED State Possible Cause Corrective Action Determining Corrective Action Active CB5000 show module all DMM 6CHAPTER 6 Troubleshooting Card Functions Card functions CB5000 set atm slot universion Signaling FunctionsCB5000 show atm slot interface CB5000 set bportlec slot.lec mode enable CB5000 show bportlec slot.lec configurationFunctions 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 Password your Internet e-mail address Access by Analog ModemHostname ftp.3com.com Country Data Rate Telephone Number 408 727 Access by Digital Modem847 262 Country Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle East Country Telephone Number Fax Number 6APPENDIX B Technical Support Numbers Index Lane URL B-1 Index 3Com Corporation Limited Warranty Warranties Exclusive