Upgrade The Mx240 Scb-Mx In The Master Routing Engine - Juniper MX240 Hardware Manual

Copyright © 2019, Juniper Networks, Inc.
Plane State Uptime
4 Online 2 minutes, 25 seconds
5 Online 2 minutes, 15 seconds
6 Online 2 minutes, 3 seconds
7 Online 1 minute, 49 seconds
Verify that the backup Routing Engine is back online:
12.
user@host> show chassis routing-engine 1
Routing Engine Status:
Slot 1:
Current State Backup
Verify the alarms:
13.
user@host> show chassis alarms
Alarm Time Class Description
2011-06-01 13:26:56 EDT Major CB fabrics are of mixed types
Because only one SCB-MX has been upgraded, the alarm indicates that the SCB-MXs
are of mixed type. This alarm is cleared after all the control boards are upgraded.

Upgrade the MX240 SCB-MX in the Master Routing Engine

Issue the
1. request chassis routing-engine master switch
RE becomes the master RE. This ensures a Graceful RE Switchover (GRES) to
gracefully switch between the master and backup Routing Engines.
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.
Issue the
request system power-off other-routing-engine
5.
the backup Routing Engine from the master Routing Engine.
Issue the
show chassis routing-engine 0
6.
is powered down.
user@host> show chassis routing-engine 0
Routing Engine Status:
Slot 0:
Current State Present
Chapter 4: Maintaining, Installing and Replacing Components
command so that the backup
configure exclusive
command to power down
command to verify that the Routing Engine
command, from the old
configure exclusive
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