Complete The Scbe-Mx Upgrade - Juniper MX480 Hardware Manual

Copyright © 2019, Juniper Networks, Inc.
Routing Engine Status:
Slot 0:
Current State Backup
Verify the alarms by issuing the
17.
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
require upgrade/training
3G to 6G for the SCBE-MX. This alarm is displayed until the 3G to 6G link transition is
completed.

Complete the SCBE-MX Upgrade

Verify if there are any MPCs running at 3G instead of 6G:
1.
user@host> request chassis fabric upgrade-bandwidth info
Slot State
0 Upgrade not supported
1 Needs upgrade
2 Empty
3 Empty
4 Empty
5 Empty
In this example, the results indicate that slot 0 does not support the upgrade and slot
1 needs to be upgraded.
NOTE: The SCBE-MX line card supports only DPC, MS-DPC, MPC1, MPC2,
and MPC3 line cards for the
that do not support the
chassis during the SCB-MX to SCBE-MX upgrade, the
upgrade-bandwidth
slot(s) that contain the unsupported line card(s).
Issue the
2. request chassis fabric upgrade-bandwidth fpc all
bandwidth of all MPCs. If you want to control the MPC line card upgrade, go to Step
3.
CAUTION: Use this command only if you are not concerned with the slot
upgrade order or if only one old MPC is present in the chassis. Running this
command may result in a loss of traffic across the MPC. Using this method
may increase the traffic loss, because it does not consider any redundancy
show chassis alarms
CB fabrics are of mixed types
, as a SCB-MX requires training to change the link speed from
upgrade-bandwidth
upgrade-bandwidth
commands will return
Chapter 4: Maintaining Components
command:
to
CB fabric links
command. If line cards
command are present in the
request chassis fabric
Upgrade not supported for the
command to upgrade the
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