Contents
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Catalyst 3750 SwitchSoftware Configuration Guide
OL-8550-09
Recovering from a Command Switch Failure 49-8
Replacing a Failed Command Switch with a Cluster Member 49-9
Replacing a Failed Command Switch with Another Switch 49-11
Recovering from Lost Cluster Member Connectivity 49-12
Preventing Autonegotiation Mismatches 49-12
Troubleshooting Power over Ethernet Switch Ports 49-13
Disabled Port Caused by Power Loss 49-13
Disabled Port Caused by False Link Up 49-13
SFP Module Security and Identification 49-13
Monitoring SFP Module Status 49-14
Monitoring Temperature 49-14
Using Ping 49-14
Understanding Ping 49-14
Executing Ping 49-15
Using Layer 2 Traceroute 49-16
Understanding Layer 2 Traceroute 49-16
Usage Guidelines 49-16
Displaying the Physical Path 49-17
Using IP Traceroute 49-17
Understanding IP Traceroute 49-17
Executing IP Traceroute 49-18
Using TDR 49-19
Understanding TDR 49-19
Running TDR and Displaying the Results 49-20
Using Debug Commands 49-20
Enabling Debugging on a Specific Feature 49-20
Enabling All-System Diagnostics 49-21
Redirecting Debug and Error Message Output 49-21
Using the show platform forward Command 49-22
Using the crashinfo Files 49-24
Basic crashinfo Files 49-24
Extended crashinfo Files 49-24
Memory Consistency Check Routines 49-25
Displaying TCAM Memory Consistency Check Errors 49-25
Troubleshooting Tables 49-26
Troubleshooting CPU Utilization 49-26
Possible Symptoms of High CPU Utilization 49-26
Verifying the Problem and Cause 49-27