Troubleshooting guide

Contents
xii
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Bridging Over Fast EtherChannel Overview 12-16
Troubleshooting Bridging Over Fast EtherChannel 12-17
CHAPTER 13 Troubleshooting ATM Router Module Connections 13-1
Overview of Integrated Layer 3-to-ATM Switching and Routing 13-2
ATM Router Module Overview 13-2
Hardware and Software Restrictions of the ATM Router Module 13-3
Hardware Restrictions 13-3
ATM Router Module Software 13-4
Understanding Packet and Cell Flow 13-7
Troubleshooting the ATM Router Module Hardware 13-10
Troubleshooting LANE Clients on ATM Router Module Connections 13-11
Troubleshooting LECs Problems on the ATM Router Module Commands 13-13
ATM Router Module IP Switching Overview 13-17
IPX Switching Overview 13-18
General ATM Router Module Troubleshooting 13-19
Troubleshooting RFC 1483 on ATM Router Module Connections 13-20
Troubleshooting RFC 1483 Problems on ATM Router Module Commands 13-20
Troubleshooting RFC 1577 on ATM Router Module Connections 13-25
Troubleshooting RFC 1577 Problems on the ATM Router Module Commands 13-25
Troubleshooting OAM on ATM Router Module Connections 13-27
Troubleshooting OAM Problems on the ATM Router Module Commands 13-27
Troubleshooting IP Multicast on ATM Router Module Connections 13-31
Troubleshooting Frame Relay PVC, Terminating on ATM Router Module 13-33
APPENDIX A Debugging a Switch Router A-1
Using the Debug Interface A-2
Entering debug Commands A-2
Using the debug ? Command A-3
Using the debug all Command: Warning A-4
Generating debug Command Output A-4
Redirecting Debugging and Error Message Output A-5
Enabling Message Logging A-6
Setting the Message Logging Levels A-7
Limiting the Types of Logging Messages Sent to the Console A-8
Logging Messages to an Internal Buffer A-8
Limiting the Types of Logging Messages Sent to Another Monitor A-8
Logging Messages to a UNIX Syslog Server A-9