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Chapter 49
Troubleshooting Your Fabric
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
You can choose to have detailed information for each command or even specify the output for a particular
interface, module or VSAN. Each command output is separated by line and the command precedes the
output.
Explicitly set the terminal length command to 0 (zero) to disable auto-scrolling and enable manual
Note
scrolling. Use the show terminal command to view the configured the terminal size. After obtaining the
output of this command, remember to reset you terminal length as required (see the
Length" section on page
You can save the output of this command to a file by appending > filename to the show tech-support
Tip
command (see the
you have sufficient space to do so—each of these files may take about 1.8 MB. However, you can zip
this file using the gzip filename command (see the
page
using the gunzip command (see the
The default output of the show tech-support command includes the output of the following commands:
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Each command is discussed in both the Cisco MDS 9000 Family Configuration Guide and the Cisco
MDS 9000 Family Command Reference. Refer to the Cisco MDS 9000 Family Troubleshooting Guide to
obtain debug processes, procedures, and examples.
The show tech-support brief Command
Use the show tech-support brief command to obtain a quick, condensed review of your switch
configurations. This command provides a summary of the current running state of the switch.
The show tech-support brief command is useful when collecting information about your switch for
troubleshooting purposes. The output of this command can be provided to technical support
representatives when reporting a problem.
Tip
You can save the output of this command to a file by appending > filename to the show tech-support
brief command (see the
OL-6973-03, Cisco MDS SAN-OS Release 2.x
2-18).
"Saving Command Output to a File" section on page
2-26). Copy the zipped file to the required location using the copy command and unzip the file
show version
show environment
show module
show hardware
show running-config
show interface
show accounting log
show process
show process log
show processes log details
show flash
"Saving Command Output to a File" section on page
"Compressing and Uncompressing Files" section on
"Copying Files" section on page
Cisco MDS 9000 Family Configuration Guide
The show tech-support Command
"Setting the Terminal
2-26). If you save this file, verify
2-25).
2-26).
49-15
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