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.
See Also MX480 SCBE Description on page 110•
Related
Documentation
Removing an MX480 SCB on page 381•
• Installing an MX480 SCB on page 283
Upgrading an MX480 SCB or SCBE to SCBE2
Consider the following scenarios when upgrading an MX480 SCB or SCBE to SCBE2:
•
SCBE2; Routing Engine with Junos OS Release 13.3R1 or later installed.
•
Replace the SCBs. Ensure that you replace the SCBs at the same time.
•
Ensure that Enhanced IP or Enhanced Ethernet Network Services mode is configured
before you power on the router.
•
SCB or SCBE; existing Routing Engine with a Junos OS Release 13.3R1 or earlier installed.
•
Upgrade the Routing Engine (RE0 and RE1) software to Junos OS Release 13.3 or
later.
•
Configure Enhanced IP or Enhanced Ethernet Network Services mode.
•
Replace the SCBs. Ensure that you replace the SCBs at the same time.
•
Failed SCB or SCBE; Routing Engine with a Junos OS Release 13.3R1 or earlier installed.
393Copyright © 2017, Juniper Networks, Inc.
Chapter 27: Replacing Switch Fabric Components