Juniper MX240 Hardware Manual page 195

Copyright © 2013, Juniper Networks, Inc.
Routing Engine Status:
Slot 0:
Current State Present
Verify that the Current State is Present, which indicates that the Routing Engine is
offline.
Take the first fabric plane of the backup Routing Engine offline by issuing the
7.
chassis fabric plane 0 offline
2, and 3.
Verify that the fabric plane is offline by issuing the
8.
command.
user@host> show chassis fabric summary
Plane State Uptime
0 Offline
1 Online 3 minutes, 45 seconds
Verify that the State of plane 0 is Offline.
Take the remaining fabric planes offline by issuing the
9.
command—that is, by changing the fabric plane number each time. Verify
1/2/3 offline
that the fabric planes are offline by issuing the command given in Step 4.
Take the SCB in slot 0 offline by issuing the
10.
Verify that the control board is offline by issuing the
11.
command:
user@host> show chassis environment cb 0
CB 0 status:
State Offline
Power 1 Disabled
Power 2 Disabled
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
12.
the strap to one of the ESD points on the chassis.
Remove and replace the offline SCB on the router with the enhanced SCB. Use the
13.
replacement procedure described in
Verify that the installation is successful and SCB0 is online by issuing the
14.
environment cb 0 command:
user@host> show chassis environment cb 0
CB 0 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
15.
summary command:
user@host> show chassis fabric summary
Plane State Uptime
0 Online 2 minutes, 5 seconds
1 Online 1 minute, 55 seconds
2 Online 1 minute, 43 seconds
3 Online 1 minute, 33 seconds
Chapter 14: Replacing MX240 Hardware Components
command. SCB0 has four fabric planes numbered, 0, 1,
show chassis fabric summary
request chassis fabric plane
request chassis cb offline slot 0
show chassis environment cb 0
"Removing an MX240 SCB" on page
request
command.
165.
show chassis
show chassis fabric
171