Juniper MX240 Hardware Manual page 392

MX240 3D Universal Edge Router Hardware Guide
362
Take the SCB in slot 1 offline by issuing the
6.
Verify that the control board is offline by issuing the
7.
command:
user@host> show chassis environment cb 1
CB 1 status:
State Offline
Power 1 Disabled
Power 2 Disabled
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
8.
the strap to one of the ESD points on the chassis.
Remove and replace SCB1 on the router with the SCBE. Use the replacement procedure
9.
described in"Removing an MX240 SCB" on page
Verify that the installation is successful and the SCB is online by issuing the
10.
chassis environment cb 1
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.
Verify that the fabric planes come online correctly by issuing the
11.
command:
summary
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
Verify that the backup Routing Engine is back online by issuing the
12.
command:
routing-engine 0
user@host> show chassis routing-engine 0
Routing Engine Status:
Slot 0:
Current State Backup
Verify the alarms by issuing the
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 has been upgraded, the alarm indicates that the SCBs are of
mixed type. This alarm is cleared after all the control boards are upgraded.
request chassis cb offline slot 1
356.
command:
show chassis alarms
command.
show chassis environment cb 1
show
show chassis fabric
show chassis
command:
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