Cisco Catalyst 2960 Series

Feature History and Information for Configuring Online Diagnostics 1623
CHAPTER 69 Troubleshooting the Software Configuration 1625
Information About Troubleshooting the Software Configuration 1625
Software Failure on a Switch 1625
Lost or Forgotten Password on a Switch 1626
Power over Ethernet Ports 1626
Disabled Port Caused by Power Loss 1626
Monitoring PoE Port Status 1627
Disabled Port Caused by False Link-Up 1627
Ping 1627
Layer 2 Traceroute 1627
Layer 2 Traceroute Guidelines 1628
IP Traceroute 1628
Time Domain Reflector Guidelines 1629
Debug Commands 1630
Onboard Failure Logging on the Switch 1630
Possible Symptoms of High CPU Utilization 1631
How to Troubleshoot the Software Configuration 1632
Recovering from a Software Failure 1632
Recovering from a Lost or Forgotten Password 1633
Procedure with Password Recovery Enabled 1635
Procedure with Password Recovery Disabled 1636
Recovering from a Command Switch Failure 1638
Replacing a Failed Command Switch with a Cluster Member 1639
Replacing a Failed Command Switch with Another Switch 1640
Preventing Switch Stack Problems 1641
Preventing Autonegotiation Mismatches 1642
Troubleshooting SFP Module Security and Identification 1643
Monitoring SFP Module Status 1643
Executing Ping 1643
Monitoring Temperature 1644
Monitoring the Physical Path 1644
Executing IP Traceroute 1644
Running TDR and Displaying the Results 1645
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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Contents