Cisco Catalyst 3750-E Software Configuration Manual page 42

Contents
Troubleshooting
49
C H A P T E R
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
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Fallback Bridging and Switch Stacks
Configuring Fallback Bridging
Default Fallback Bridging Configuration
Fallback Bridging Configuration Guidelines
Creating a Bridge Group
Adjusting Spanning-Tree Parameters
Changing the VLAN-Bridge Spanning-Tree Priority
Changing the Interface Priority
Assigning a Path Cost
Adjusting BPDU Intervals
Disabling the Spanning Tree on an Interface
Monitoring and Maintaining Fallback Bridging
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Recovering from a Software Failure
Recovering from a Lost or Forgotten Password
Procedure with Password Recovery Enabled
Procedure with Password Recovery Disabled
Preventing Switch Stack Problems
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
Monitoring Temperature
Using Ping
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Understanding Ping
Executing Ping
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Using Layer 2 Traceroute
Understanding Layer 2 Traceroute
Usage Guidelines
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Displaying the Physical Path
Using IP Traceroute
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