Cisco Catalyst 2960 series Configuration Manual page 62

Contents
C H A P T E R 6 9
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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Feature History and Information for Configuring Online Diagnostics
Troubleshooting the Software Configuration
Information About Troubleshooting the Software Configuration
Software Failure on a Switch
Lost or Forgotten Password on a Switch
Power over Ethernet Ports
Disabled Port Caused by Power Loss
Monitoring PoE Port Status
Disabled Port Caused by False Link-Up
Ping
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Layer 2 Traceroute
Layer 2 Traceroute Guidelines
IP Traceroute
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Time Domain Reflector Guidelines
Debug Commands
Onboard Failure Logging on the Switch
Possible Symptoms of High CPU Utilization
How to Troubleshoot the Software Configuration
Recovering from a Software Failure
Recovering from a Lost or Forgotten Password
Procedure with Password Recovery Enabled
Procedure with Password Recovery Disabled
Recovering from a Command Switch Failure
Replacing a Failed Command Switch with a Cluster Member
Replacing a Failed Command Switch with Another Switch
Preventing Switch Stack Problems
Preventing Autonegotiation Mismatches
Troubleshooting SFP Module Security and Identification
Monitoring SFP Module Status
Executing Ping
Monitoring Temperature
Monitoring the Physical Path
Executing IP Traceroute
Running TDR and Displaying the Results
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