Contents
xxix
Cisco IE 3000 Switch Software Configuration Guide
OL-13018-03
CHAPTER
39 Troubleshooting 39-1
Recovering from a Software Failure 39-2
Recovering from a Lost or Forgotten Password 39-3
Recovering from a Command Switch Failure 39-4
Replacing a Failed Command Switch with a Cluster Member 39-4
Replacing a Failed Command Switch with Another Switch 39-6
Recovering from Lost Cluster Member Connectivity 39-7
Preventing Autonegotiation Mismatches 39-7
SFP Module Security and Identification 39-8
Monitoring SFP Module Status 39-8
Using Ping 39-8
Understanding Ping 39-9
Executing Ping 39-9
Using Layer 2 Traceroute 39-10
Understanding Layer 2 Traceroute 39-10
Usage Guidelines 39-10
Displaying the Physical Path 39-11
Using IP Traceroute 39-11
Understanding IP Traceroute 39-11
Executing IP Traceroute 39-12
Using TDR 39-13
Understanding TDR 39-13
Running TDR and Displaying the Results 39-14
Using Debug Commands 39-14
Enabling Debugging on a Specific Feature 39-14
Enabling All-System Diagnostics 39-15
Redirecting Debug and Error Message Output 39-15
Using the show platform forward Command 39-16
Using the crashinfo Files 39-17
Basic crashinfo Files 39-17
Extended crashinfo Files 39-18
Troubleshooting Tables 39-18
Troubleshooting CPU Utilization 39-18
Possible Symptoms of High CPU Utilization 39-18
Verifying the Problem and Cause 39-19