Cisco Catalyst 3750-X

Contents
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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-21521-01
CHAPTER 50 Configuring Fallback Bridging 50-1
Understanding Fallback Bridging 50-1
Fallback Bridging Overview 50-1
Fallback Bridging and Switch Stacks 50-3
Configuring Fallback Bridging 50-3
Default Fallback Bridging Configuration 50-3
Fallback Bridging Configuration Guidelines 50-4
Creating a Bridge Group 50-4
Adjusting Spanning-Tree Parameters 50-5
Changing the VLAN-Bridge Spanning-Tree Priority 50-6
Changing the Interface Priority 50-6
Assigning a Path Cost 50-7
Adjusting BPDU Intervals 50-7
Disabling the Spanning Tree on an Interface 50-9
Monitoring and Maintaining Fallback Bridging 50-10
CHAPTER 51 Troubleshooting 51-1
Recovering from a Software Failure 51-2
Recovering from a Lost or Forgotten Password 51-3
Procedure with Password Recovery Enabled 51-4
Procedure with Password Recovery Disabled 51-6
Preventing Switch Stack Problems 51-8
Recovering from a Command Switch Failure 51-9
Replacing a Failed Command Switch with a Cluster Member 51-9
Replacing a Failed Command Switch with Another Switch 51-11
Recovering from Lost Cluster Member Connectivity 51-12
Preventing Autonegotiation Mismatches 51-13
Troubleshooting Power over Ethernet Switch Ports 51-13
Disabled Port Caused by Power Loss 51-13
Disabled Port Caused by False Link Up 51-14
SFP Module Security and Identification 51-14
Monitoring SFP Module Status 51-14
Monitoring Temperature 51-15
Using Ping 51-15
Understanding Ping 51-15
Executing Ping 51-15