Cisco Gigabit Ethernet Switch Module for HP p-Class BladeSystem Software Configuration Guide

Contents

xxiii

380261-003

Configuring the LACP Port Priority 28-16

Displaying EtherChannel, PAgP, and LACP Status 28-17

Understanding Layer 2 Trunk Failover 28-17

Configuring Layer 2 Trunk Failover 28-18

Default Layer 2 Trunk Failover Configuration 28-18

Layer 2 Trunk Failover Configuration Guidelines 28-19

Configuring Layer 2 Trunk Failover 28-19

Displaying Layer 2 Trunk Failover Status 28-20

CHAPTER

29 Troubleshooting 29-1

Recovering from a Software Failure 29-2

Recovering from a Lost or Forgotten Password 29-3

Procedure with Password Recovery Enabled 29-4

Procedure with Password Recovery Disabled 29-6

Recovering from a Command Switch Failure 29-8

Replacing a Failed Command Switch with a Cluster Member 29-8

Replacing a Failed Command Switch with Another Switch 29-10

Recovering from Lost Cluster Member Connectivity 29-11

Preventing Autonegotiation Mismatches 29-11

SFP Module Security and Identification 29-12

Monitoring SFP Module Status 29-12

Using Ping 29-13

Understanding Ping 29-13

Executing Ping 29-13

Using Layer 2 Traceroute 29-14

Understanding Layer 2 Traceroute 29-14

Usage Guidelines 29-15

Displaying the Physical Path 29-16

Using IP Traceroute 29-16

Understanding IP Traceroute 29-16

Executing IP Traceroute 29-17

Using TDR 29-18

Understanding TDR 29-18

Running TDR and Displaying the Results 29-18

Using Debug Commands 29-18

Enabling Debugging on a Specific Feature 29-19

Enabling All-System Diagnostics 29-19

Redirecting Debug and Error Message Output 29-20