Juniper Networks MX480 - Manual (Page 203)

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.
5. Take the remaining fabric planes offline by issuing the request chassis fabric plane
5/6/7 offline command—that is, by changing the fabric plane number each time. Verify
that the fabric planes are offline by issuing the command given in Step 2.
6. Take the SCB in slot 1 offline by issuing the request chassis cb offline slot 1 command.
7. Verify that the control board is offline by issuing the show chassis environment cb 1
command:
user@host> show chassis environment cb 1
CB 1 status:
State Offline
Power 1 Disabled
Power 2 Disabled
8. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
the strap to one of the ESD points on the chassis.
9. Remove and replace SCB1 on the router with the enhanced SCB. Use the replacement
procedure described in
“Removing an MX480 SCB” on page 174
10. Verify that the installation is successful and the SCB is online by issuing the show
chassis environment cb 1 command:
user@host> show chassis environment cb 1
CB 1 status
State Online
Temperature 30 degrees C / 86 degrees F
Other details, such as power, are also displayed along with the state.
11. Verify that the fabric planes come online correctly by issuing the show chassis fabric
summary command:
user@host> show chassis fabric summary
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
12. Verify that the backup Routing Engine is back online by issuing the show chassis
routing-engine 0 command:
user@host> show chassis routing-engine 0
Routing Engine Status:
Slot 0:
Current State Backup
13. Verify the alarms by issuing the show chassis alarms command:
user@host> show chassis alarms
Alarm Time Class Description
2011-06-01 13:26:56 EDT Major CB fabrics are of mixed types
179 Copyright © 2013, Juniper Networks, Inc.
Chapter 14: Replacing MX480 Hardware Components