Cisco Catalyst 3750-E - Page 42

Contents
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Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-08
Fallback Bridging and Switch Stacks 48-3
Configuring Fallback Bridging 48-3
Default Fallback Bridging Configuration 48-3
Fallback Bridging Configuration Guidelines 48-4
Creating a Bridge Group 48-4
Adjusting Spanning-Tree Parameters 48-5
Changing the VLAN-Bridge Spanning-Tree Priority 48-6
Changing the Interface Priority 48-6
Assigning a Path Cost 48-7
Adjusting BPDU Intervals 48-7
Disabling the Spanning Tree on an Interface 48-9
Monitoring and Maintaining Fallback Bridging 48-10
CHAPTER 49 Troubleshooting 49-1
Recovering from a Software Failure 49-2
Recovering from a Lost or Forgotten Password 49-3
Procedure with Password Recovery Enabled 49-4
Procedure with Password Recovery Disabled 49-6
Preventing Switch Stack Problems 49-8
Recovering from a Command Switch Failure 49-9
Replacing a Failed Command Switch with a Cluster Member 49-9
Replacing a Failed Command Switch with Another Switch 49-11
Recovering from Lost Cluster Member Connectivity 49-12
Preventing Autonegotiation Mismatches 49-13
Troubleshooting Power over Ethernet Switch Ports 49-13
Disabled Port Caused by Power Loss 49-13
Disabled Port Caused by False Link Up 49-14
SFP Module Security and Identification 49-14
Monitoring SFP Module Status 49-14
Monitoring Temperature 49-15
Using Ping 49-15
Understanding Ping 49-15
Executing Ping 49-15
Using Layer 2 Traceroute 49-16
Understanding Layer 2 Traceroute 49-16
Usage Guidelines 49-17
Displaying the Physical Path 49-17
Using IP Traceroute 49-18