Upgrading An Mx240 Scb Or Scbe To Scbe2; Preparing The Mx240 Router For The Scbe2 Upgrade - Juniper mx240 Hardware Manual

Upgrading an MX240 SCB or SCBE to SCBE2

Copyright © 2016, Juniper Networks, Inc.
NOTE: After you issue the request chassis fabric plane <#> offline and
request chassis fabric plane <#> online commands, issue the show
chassis fabric summary command to verify that the fabric plane errors
are rectified and to verify the current state of the fabric planes.
Verify that the major alarms are displayed by issuing the
8.
command:
user@host> show chassis alarms
Alarm Time Class Description
2011-06-01 13:37:43 EDT Minor Require a fan tray upgrade
2011-06-01 13:37:26 EDT Minor Backup RE Active
The major alarms are not displayed anymore, and the upgrade is successfully
completed.
Disable the upgrade configuration by issuing the
9.
command and then the
You can delete that command by issuing the
10.
and then the command.
commit
Verify the SCBs before you finish by issuing the
11.
user@host> show chassis hardware
Item Version Part Number Serial Number Description
CB0 REV 02 750-031391 YE8505
CB1 REV 07 710-031391 YL6769
You can see that the MX240 now has the MX SCBEs.
To upgrade the SCB or SCBE to SCBE2, follow these steps:
NOTE: SCBE2 does not support smooth upgrade.
Preparing the MX240 Router for the SCBE2 Upgrade on page 345
1.
Powering Off the MX240 Router on page 346
2.
Removing an MX240 Routing Engine from an SCB or SCBE on page 346
3.
Replacing the SCB or SCBE with SCBE2 on page 347
4.
5. Installing an MX240 Routing Engine into an SCBE2 on page 347
Powering On the MX240 Router on page 347
6.
Completing the SCBE2 Upgrade on page 349
7.

Preparing the MX240 Router for the SCBE2 Upgrade

To prepare the MX240 router for the SCBE2 upgrade:
Chapter 27: Replacing Switch Fabric Components
set chassis state cb-upgrade off
command.
commit
delete chassis state cb-upgrade
show chassis hardware
Enhanced MX SCB
Enhanced MX SCB
show chassis alarms
command
command:
345