Cisco Catalyst 2928 Software Configuration Manual page 24

Contents
Troubleshooting
33
C H A P T E R
Catalyst 2928 Switch Software Configuration Guide
xxiv
Configuring LACP Hot-Standby Ports
Configuring the LACP System Priority
Configuring the LACP Port Priority
Displaying EtherChannel, PAgP, and LACP Status
33-1
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
Recovering from Lost Cluster Member Connectivity
Preventing Autonegotiation Mismatches
Troubleshooting Power over Ethernet Switch Ports
Disabled Port Caused by Power Loss
Disabled Port Caused by False Link Up
SFP Module Security and Identification
Monitoring SFP Module Status
Using Ping
33-13
Understanding Ping
Executing Ping
33-13
Using Layer 2 Traceroute
Understanding Layer 2 Traceroute
Usage Guidelines
33-15
Displaying the Physical Path
Using IP Traceroute
33-16
Understanding IP Traceroute
Executing IP Traceroute
Using TDR
33-18
Understanding TDR
33-18
Running TDR and Displaying the Results
Using Debug Commands
Enabling Debugging on a Specific Feature
Enabling All-System Diagnostics
Redirecting Debug and Error Message Output
Using the show platform forward Command
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