Plane 4: Plane enabled
Plane 5: Plane enabled
PFE #3
Plane 0: Links ok
Plane 1: Links ok
Plane 2: Plane enabled
Plane 3: Plane enabled
Plane 4: Plane enabled
Plane 5: Plane enabled
Fabric plane details of all MPCs are similarly displayed.
7. Verify if any output of the show chassis fabric summary command shows fabric
planes in 'check' state, as it indicates that the fabric plane has an error. You can try
to recover the fabric plane to normal operation by issuing the request chassis fabric
plane <#> offline command, followedby the request chassis fabric plane <#> online
command, where <#> equals the fabric plane in error.
NOTE: After you issue the request chassis fabric plane <#> offline and
request chassis fabric plane <#> online commands, issue the show
chassis fabric summary command to verify that the fabric plane errors
are rectified and to verify the current state of the fabric planes.
8. Verify that the major alarms are displayed by issuing the show chassis alarms
command:
user@host> show chassis alarms
Alarm Time Class Description
2011-06-01 13:37:43 EDT Minor Require a fan tray upgrade
2011-06-01 13:37:26 EDT Minor Backup RE Active
The major alarms are not displayed anymore, and the upgrade is successfully
completed.
9. Disable the upgrade configuration by issuing the set chassis state cb-upgrade off
command and then the commit command.
10. You can delete that command by issuing the deletechassis state cb-upgrade command
and then the commit command.
11. Verify the SCBs before you finish by issuing the show chassis hardware command:
user@host> show chassis hardware
Item Version Part Number Serial Number Description
CB0 REV 02 750-031391 YE8505 Enhanced MX SCB
CB1 REV 07 710-031391 YL6769 Enhanced MX SCB
You can see that the MX480 now has the MX SCBEs.
409Copyright © 2017, Juniper Networks, Inc.
Chapter 27: Replacing Switch Fabric Components
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