Scb Overview; Figure 258: Scb Component; Table 122: Checklist For Monitoring The Scb - Juniper M Series Monitoring And Troubleshooting Manual

M Series and T Series Routers Monitoring and Troubleshooting Guide
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SCB Overview

492
Table 122: Checklist for Monitoring the SCB (continued)
Monitor SCB Tasks
1. Check the SCB Connection on page 499
2. Perform an SCB Swap Test on page 499
"Obtain SCB Hardware Information" on page 500
1. Display the SCB Hardware Information
on page 500
2. Locate the SCB Serial Number ID Label
on page 500
3. Display the SCB Firmware Version on
page 501
"Return the SCB" on page 501
SCB Overview on page 492
Inspect the 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 FPC operation and reset control.
The SCB is the control board for the M40 router Packet Forwarding Engine (see
258 on page 492).

Figure 258: SCB Component

Command or Action
Ensure that the SCB is securely seated. Tighten
the captive screws at the top and bottom of
the SCB card carrier.
Remove the failed SCB and replace it with one
that you know works.
show chassis hardware
Look on the front of the SCB board near the
faceplate.
show chassis firmware
See "Return the Failed Component" on
page 116.
Copyright © 2012, Juniper Networks, Inc.
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