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Troubleshooting the T4000 SIBs

 

Problem:

Description:

The following alarms and LEDs indicate a problem with a SIB:

  • A red alarm indicates that the SIB failed or has been removed or that a spare SIB has failed or has been removed.

  • The red FAIL LED on the SIB faceplate is lit.

  • The green OK LED on the SIB faceplate is not lit.

In Table 1 the text in the column labeled ”LCD Message” appears in the display of the craft interface. The text in the column labeled “CLI Message” appears in the output from the show chassis alarms command.

Table 1: T4000 Chassis Alarm Messages for SIBs

Alarm Type

LCD Message

CLI Message

Red

SIB sib-number Failure

SIB sib-number Fault

SIB sib-number Removed

SIB sib-number Absent

Solution

To troubleshoot the T4000 SIBs:

  1. Check the LEDs on the faceplate of each SIB.
  2. Check the LEDs on the craft interface.
  3. Use the CLI to check for alarms.
    • Issue the show chassis alarms command to view the alarms.

  4. Use the show chassis sibs command.
    user@host> show chassis sibs
  5. Use the show chassis fabric sibs command.
    user@host> show chassis fabric sibs
  6. Use the show chassis environment sib command.
    user@host> show chassis environment sib