Cisco Catalyst 3750-X

Contents
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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-21521-01
Using Layer 2 Traceroute 51-16
Understanding Layer 2 Traceroute 51-16
Usage Guidelines 51-17
Displaying the Physical Path 51-17
Using IP Traceroute 51-18
Understanding IP Traceroute 51-18
Executing IP Traceroute 51-18
Using TDR 51-19
Understanding TDR 51-19
Running TDR and Displaying the Results 51-20
Using Debug Commands 51-20
Enabling Debugging on a Specific Feature 51-21
Enabling All-System Diagnostics 51-21
Redirecting Debug and Error Message Output 51-22
Using the show platform forward Command 51-22
Using the crashinfo Files 51-24
Basic crashinfo Files 51-25
Extended crashinfo Files 51-25
Using On-Board Failure Logging 51-25
Understanding OBFL 51-26
Configuring OBFL 51-26
Displaying OBFL Information 51-27
Troubleshooting Tables 51-27
Troubleshooting CPU Utilization 51-28
Possible Symptoms of High CPU Utilization 51-28
Verifying the Problem and Cause 51-28
Troubleshooting Power over Ethernet (PoE) 51-29
Troubleshooting Stackwise (Catalyst 3750-X Switches Only) 51-32
CHAPTER 52 Configuring Online Diagnostics 52-1
Understanding Online Diagnostics 52-1
Configuring Online Diagnostics 52-1
Scheduling Online Diagnostics 52-2
Configuring Health-Monitoring Diagnostics 52-2
Running Online Diagnostic Tests 52-4
Starting Online Diagnostic Tests 52-5
Displaying Online Diagnostic Tests and Test Results 52-5