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Contents
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Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Temperature Threshold Violations 4-11
Troubleshooting Clock Module Issues 4-12
Troubleshooting Other Hardware Issues 4-13
Troubleshooting Supervisor Issues 4-14
Active Supervisor Reboots 4-15
Standby Supervisor Not Recognized by Active Supervisor 4-17
Verifying That a Standby Supervisor Failed to Synchronize Using the CLI 4-17
Standby Supervisor Stays in Powered-Up State 4-19
Verifying That a Standby Supervisor Is in the Powered-Up State Using Device Manager 4-20
Verifying That a Standby Supervisor Is in Powered-Up State Using the CLI 4-20
Troubleshooting Supervisor Modules 4-20
Troubleshooting Switching and Services Modules 4-21
Overview of Module Status 4-21
Module Initialization Overview 4-22
Module Bootup 4-23
Image Download 4-23
Runtime Diagnostics 4-24
Runtime Configuration 4-24
Online and Operational 4-24
Analyzing The Logs 4-25
Troubleshooting Module Issues 4-25
Troubleshooting Powered-Down Modules 4-26
Diagnosing a Powered-Down Module 4-28
Troubleshooting Reloaded Modules 4-31
Diagnosing a Reloaded Module 4-33
Troubleshooting Modules in an Unknown State 4-34
Diagnosing a Module in the Unknown State 4-34
Troubleshooting Modules Not Detected by the Supervisor 4-35
Diagnosing a Module Not Detected by the Supervisor 4-35
Reinitializing a Failed Module Using Fabric Manager 4-36
Reinitializing a Failed Module Using the CLI 4-37
Module Resets 4-38
CHAPTER
5 Troubleshooting Mixed Generation Hardware 5-1
Overview 5-1
Port Groups 5-2
Port Speed Mode 5-3
Dynamic Bandwidth Management 5-3
Out-of-Service Interfaces 5-4
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