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

MX960 3D Universal Edge Router Hardware Guide
416
Verify that the control board is offline by issuing the
5.
command:
user@host> show chassis environment cb 2
CB 2 status:
State Offline
Power 1 Disabled
Power 2 Disabled
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
6.
the strap to one of the ESD points on the chassis.
Remove and replace SCB2 on the router with the SCBE.
7.
Verify that the installation is successful and the SCB is online by issuing the
8.
chassis environment cb 2
user@host> show chassis environment cb 2
CB 2 status
State Online
Temperature 30 degrees C / 86 degrees F
Other details, such as, power are also displayed along with the state.
Verify that the fabric planes come online correctly by issuing the
9.
command:
summary
user@host> show chassis fabric summary
Plane State Uptime
4 Online 2 minutes, 25 seconds
5 Online 2 minutes, 15 seconds
Verify the alarms by issuing the
10.
user@host> show chassis alarms
Alarm Time Class Description
2011-06-01 13:26:56 EDT Major CB fabrics are of mixed types
2011-06-01 12:10:41 EDT Major Require a fan tray upgrade
Because only one SCB has been upgraded, the alarm indicates that the SCBs are of
mixed type. This alarm is cleared after all the control boards are upgraded.

Upgrading the SCB in the Backup Routing Engine

To upgrade the SCB in the backup Routing Engine:
Power down the backup Routing Engine from the master Routing Engine by issuing
1.
the request system power-off other-routing-engine
Ensure that the Routing Engine is powered down by issuing the
2.
command. The slot of the Routing Engine may be 0 or 1, and is shown
routing-engine 1
as 1 in this example:
command:
show chassis alarms
command.
show chassis environment cb 2
show
show chassis fabric
command:
show chassis
Copyright © 2017, Juniper Networks, Inc.