Juniper MX240 Hardware Manual page 196

MX240 3D Universal Edge Router Hardware Guide
172
Verify that the backup Routing Engine is back online by issuing the
16.
command:
routing-engine 0
user@host> show chassis routing-engine 0
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
from 3G speed to 6G speed of the enhanced SCB. This alarm is displayed until the 3G
to 6G link transition is completed.
Completing the SCB Upgrade
To complete the procedure after upgrading the SCBs:
Verify that any Modular Port Concentrator (MPC) is running at 3G instead of 6G by
1.
issuing the
request chassis fabric upgrade-bandwidth info
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
The results indicate that slot 0 does not support the upgrade and slot 1 needs to be
upgraded.
Upgrade the bandwidth of all MPCs by issuing the
2.
upgrade-bandwidth fpc all
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 that MPC. Using this method
may increase that loss, because it does not consider any redundancy or
graceful switchover strategies that you may have configured on the system.
Upgrade the MPC in slot 1 by running the
3.
command.
fpc slot 1
Verify that the MPC is upgraded by issuing the
4.
info command:
user@host> request chassis fabric upgrade-bandwidth info
show chassis alarms
CB fabrics are of mixed types
, as a switch control board requires training to change links
command. If you want to control the MPC line card upgrade,
request chassis fabric upgrade-bandwidth
request chassis fabric upgrade-bandwidth
show chassis
command:
to
CB fabric links
command:
request chassis fabric
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