Layer 2 Traceroute Guidelines 240
IP Traceroute 241
Debug Commands 242
System Report 242
Onboard Failure Logging on the Switch 244
Fan Failures 245
Possible Symptoms of High CPU Utilization 245
How to Troubleshoot the Software Configuration 245
Recovering from a Software Failure 245
Recovering from a Lost or Forgotten Password 249
Procedure with Password Recovery Enabled 250
Procedure with Password Recovery Disabled 251
Preventing Switch Stack Problems 253
Preventing Autonegotiation Mismatches 254
Troubleshooting SFP Module Security and Identification 254
Executing Ping 255
Monitoring Temperature 255
Monitoring the Physical Path 255
Executing IP Traceroute 256
Redirecting Debug and Error Message Output 256
Using the show platform Command 256
Using the show debug command 256
Verifying Troubleshooting of the Software Configuration 257
Displaying OBFL Information 257
Example: Verifying the Problem and Cause for High CPU Utilization 257
Scenarios for Troubleshooting the Software Configuration 258
Scenarios to Troubleshoot Power over Ethernet (PoE) 258
Configuration Examples for Troubleshooting Software 260
Example: Pinging an IP Host 260
Example: Performing a Traceroute to an IP Host 261
Feature History for Troubleshooting Software Configuration 262
System Management Configuration Guide, Cisco IOS XE Gibraltar 16.10.x (Catalyst 9200 Switches)
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