13. Remove and replace the offline SCB-MX on the router with the SCBE. Use the procedure described in
“Replacing an MX960 SCB” on page 561.
14. Verify that the installation is successful and the SCBE is online by issuing the show chassis environment
cb 0 command:
user@host> show chassis environment cb 0
CB 0 status
State Online
Temperature 30 degrees C / 86 degrees F
15. Verify that the fabric planes 0 and 1 come online correctly by issuing the show chassis fabric summary
command:
user@host> show chassis fabric summary
Plane State Uptime
0 Online 2 minutes, 9 seconds
1 Online 2 minutes, 2 seconds
16. Verify that the backup Routing Engine is back online by issuing the show chassis routing-engine 0
command:
user@host> show chassis routing-engine 0
Routing Engine Status:
Slot 0:
Current State Backup
17. Verify the alarms by issuing the show chassis alarms command:
user@host> show chassis alarms
Alarm Time Class Description
2011-06-01 13:26:56 EDT Major CB fabric links require upgrade/training
2011-06-01 12:10:41 EDT Major Require a fan tray upgrade
The major alarm has changed from CB fabrics are of mixed types to CB fabric links require
upgrade/training, as a SCB-MX requires training to change the link speed from 3G to 6G for the
SCBE-MX. This alarm is displayed until the 3G to 6G link transition is completed.
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