CHAPTER 22
Monitoring the SCB
•
Checklist for Monitoring the SCB on page 491
•
SCB Overview on page 492
•
Monitor the SCB Status on page 494
•
Check for SCB Alarms on page 496
•
Verify SCB Failure on page 498
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Obtain SCB Hardware Information on page 500
•
Return the SCB on page 501
Checklist for Monitoring the SCB
Purpose You monitor and maintain the M40 router System Control Board (SCB), the control board
for the Packet Forwarding Engine, to ensure that it provides route lookups, system
component monitoring, exception and control packet transfer, and Flexible PIC
Concentrator (FPC) operation and reset control. (See Table 122 on page 491.)
Action Table 122: Checklist for Monitoring the SCB
Command or ActionMonitor SCB Tasks
“Monitor the SCB Status” on page 494
show chassis environment1. Display the SCB Environmental Status
on page 494
show chassis scb2. Display the SCB Detailed Status on
page 494
Check the LEDs on the SCB faceplate.3. Check the SCB LED Status on page 495
“Check for SCB Alarms” on page 496
show log messages1. Display SCB Error Messages in the
System Log File on page 496
show log chassisd2. Display SCB Error Messages in the
Chassis Daemon Log File on page 497
“Verify SCB Failure” on page 498
491Copyright © 2012, Juniper Networks, Inc.
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