Upgrading The Scb In The Master Routing Engine - Juniper MX960 Hardware Manual

MX960 3D Universal Edge Router Hardware Guide
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Verify that the fabric planes 2 and 3 come online correctly by issuing the
11.
command:
fabric summary
user@host> show chassis fabric summary
Plane State Uptime
2 Online 2 minutes, 5 seconds
3 Online 1 minutes, 55 seconds
Verify that the backup routing engine is back online by issuing the
12.
command:
routing-engine 1
user@host> show chassis routing-engine 1
Routing Engine Status:
Slot 1:
Current State Backup

Upgrading the SCB in the Master Routing Engine

To upgrade the SCB in the master Routing Engine slot:
Ensure a Graceful RE Switchover (GRES) to gracefully switch between the master
1.
and backup Routing Engines, so that the backup RE becomes the master RE, by issuing
the
request chassis routing-engine master switch
Log in to the new master Routing Engine after the switchover.
2.
Switch the configuration mode to ensure that you are still in configure exclusive mode
3.
by issuing the command and then the
exit
master Routing Engine.
Log in to the current master Routing Engine again and issue the
4.
command.
Power down the backup Routing Engine from the master Routing Engine by issuing
5.
the
request system power-off other-routing-engine
Ensure that the Routing Engine is powered down by issuing the
6.
routing-engine 0 command. The slot of the Routing Engine may be 0 or 1, and is shown
as 1 in this example:
user@host> show chassis routing-engine 1
Routing Engine Status:
Slot 0:
Current State Present
Verify that the Current State is Present, which indicates that the Routing Engine is
offline or powered down.
Take the first fabric plane of the backup Routing Engine offline by issuing the
7.
chassis fabric plane offline 1
command.
configure exclusive
command.
command.
Copyright © 2017, Juniper Networks, Inc.
show chassis
show chassis
command, from the old
configure exclusive
show chassis
request