Loading and Running Diagnostics

Step 2 Enter the password assigned to the system.

The prompt changes to the privileged EXEC prompt:

Router#

Step 3 Determine the slot number of the card on which you want to run diagnostics.

Note Although you can run diagnostics concurrently on up to three line cards, the recommended number is only one at a time. The cards will be taken offline and cannot pass traffic.

Step 4 Enter the diag command:

Router# diag slot

The diagnostic tests are downloaded and run. Test status and administrative messages are returned to the system console. At the end of testing, a pass or fail message is displayed on the console. The number of messages displayed depends on whether you included the verbose option in the command.

Note Field diagnostics run limited tests of the switch fabric when testing a line card. This provides a good method of troubleshooting switch fabric problems.

Diagnostic Examples

Several examples of diagnostic tests are given in the following sections:

Without verbose Option on page 6

With verbose Option on page 7

Failed Diagnostic on page 9

Running Diagnostics on the Cisco 12008 6-5

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Cisco Systems Cisco 12008 manual Diagnostic Examples