Upgrading The First Scb - Juniper MX960 Hardware Manual

MX960 3D Universal Edge Router Hardware Guide

Upgrading the First SCB

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user@host# configure
user@host# set chassis state cb-upgrade on
user@host# commit
Determine the order to replace the existing SCBs with upgraded ones. SCB 0, 1, and
6.
2 are available for the MX960. SCB 0 is associated with RE0, SCB1 is associated with
RE1, and ; SCB 2 is the spare SCB. The SCB order for MX960 is SCB2, SCB1 (backup
Routing Engine slot), and SCB0 (Master Routing Engine slot).
NOTE: Do not add or remove any router hardware during the upgrade
procedure.
To upgrade the first SCB—that is—SCB2:
Take the fabric plane offline by issuing the
1.
command.
Verify that the fabric plane is offline by issuing the
2.
command.
user@host> show chassis fabric summary
Plane State Uptime
4 Offline
5 Online 1 hour, 15 minutes, 35 seconds
Verify that the State of Plane 4 is Offline.
Take the next fabric plane offline by issuing the
3.
command, and then verify that the fabric plane is offline by issuing the command
given in Step 2.
Take the SCB in slot 2 offline by issuing the
4.
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.
request chassis fabric plane 4 offline
show chassis fabric summary
request chassis fabric plane 5 offline
request chassis cb offline slot 2
show chassis environment cb 2
Copyright © 2017, Juniper Networks, Inc.
command.