Reference Guide

C-Series Debugging and Diagnostics | 1167

C-Series Debugging and Diagnostics

In addition to standard manageability features such as LEDs, SNMP alarms and traps, and Syslogging, the

C-Series supports several diagnostic and debugging features that are crucial to isolating and resolving

support issues during the operations and maintenance phase.

• Switch Fabric overview

• Switch Fabric link monitoring

• Runtime hardware status monitoring

• Inter-CPU timeouts

• Bootup diagnostics

• Recognizing bootup failure

• Troubleshoot bootup failure

• Environmental monitoring

• Recognize an overtemperature condition

• Troubleshoot an overtemperature condition

• Recognize an under-voltage condition

• Troubleshoot an under-voltage condition

• Trace logs

• Automatic trace log updates

• Save a hardware log to a file on the flash

• Manual reload messages

• Command history

• Advanced debugging commands

• Monitoring hardware components with SNMP

• Hardware watchdog timer

• Offline diagnostics

• Buffer tuning

• When to tune buffers

• Buffer tuning commands

• Sample configuration