Completing The Scb Upgrade - Juniper MX240 Hardware Manual

Completing the SCB Upgrade

Copyright © 2017, Juniper Networks, Inc.
from 3G speed to 6G speed of the SCBE. This alarm is displayed until the 3G to 6G
link transition is completed.
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.
fpc slot 1 command.
Verify that the MPC is upgraded by issuing the
4.
command:
info
user@host> request chassis fabric upgrade-bandwidth info
Slot State
0 Upgrade not supported
1 Upgraded
2 Empty
Verify the state of the fabric planes for all MPCs by issuing the
5.
summary command.
user@host> show chassis fabric summary
Plane State Uptime
0 Spare 21 seconds
Chapter 27: Replacing Switch Fabric Components
request chassis fabric
command. If you want to control the MPC line card upgrade,
request chassis fabric upgrade-bandwidth
request chassis fabric upgrade-bandwidth
command:
show chassis fabric
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