Troubleshooting guide

CHAPTER
2-1
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
2
Troubleshooting Tools
This chapter describes the tools available to assist you in troubleshooting your switch router, and
contains the following sections:
• Using Diagnostic Commands, page 2-1
• Third-Party Troubleshooting Tools, page 2-4
Using Diagnostic Commands
You can use the show, debug, ping, and traceroute commands to monitor and troubleshoot your
internetwork.
show Commands
You can use the show commands to perform many functions:
• Monitor switch router behavior during initial installation
• Monitor normal network operation
• Isolate problem interfaces, nodes, media, or applications
• Determine when a network is congested
• Determine the status of servers, clients, or other neighbors