Configuration manual

C-Series Debugging and Diagnostics | 1181

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 on page 1182

• Switch Fabric link monitoring on page 1182

• Runtime hardware status monitoring on page 1184

• Inter-CPU timeouts on page 1186

• Bootup diagnostics on page 1187

• Recognizing bootup failure on page 1187

• Troubleshoot bootup failure on page 1187

• Environmental monitoring on page 1187

• Recognize an overtemperature condition on page 1188

• Troubleshoot an overtemperature condition on page 1188

• Recognize an under-voltage condition on page 1189

• Troubleshoot an under-voltage condition on page 1189

• Trace logs on page 1189

• Automatic trace log updates on page 1190

• Save a hardware log to a file on the flash on page 1190

• Manual reload messages on page 1191

• Command history on page 1192

• Advanced debugging commands on page 1193

• Monitoring hardware components with SNMP on page 1196

• Hardware watchdog timer on page 1197

• Offline diagnostics on page 1198

• Buffer tuning on page 1203

• When to tune buffers on page 1204

• Buffer tuning commands on page 1205

• Sample configuration on page 1208