Table 114: Checklist for Monitoring the SFMs (continued)
Command or ActionMonitor SFM Tasks
show log messages2. Display SFM Error Messages in the
System Log File on page 448
show log chassisd3. Display SFM Error Messages in the
Chassis Daemon Log File on page 448
“Verify SFM Failure” on page 450
Check the thumbscrews on the SFM
ejector locking tabs.
1. Check the SFM Connection on
page 450
The M40e and M160 router fuses are
located in a fuse box at the rear of the
midplane, behind the lower rear
impeller assembly.
2. Check the SFM Fuses on page 450
1. Take the SFM offline.
2. Replace the SFM with one that you
know works.
3. Bring the SFM online.
4. Check the SFM status.
3. Perform an SFM Swap Test on
page 451
“Obtain SFM Hardware Information” on page 451
show chassis hardware1. Display SFM Hardware Information
on page 451
Look on the top left of the SFM
component.
2. Locate the SFM Serial Number ID
Label on page 452
Follow the procedure in the appropriate
router hardware guide.
“Replace the SFM” on page 452
Related
Documentation
SFM Overview on page 442•
SFM Overview
Inspect the SFMs to ensure that all traffic leaving the Flexible PIC Concentrators (FPCs)
is handled properly.
The SFM is a control board that handles traffic transiting the router (see Figure 242 on
page 443). There are two SFMs on the M40e router and four SFMs on the M160 router
(see Figure 243 on page 443).
Copyright © 2012, Juniper Networks, Inc.442
M Series and T Series Routers Monitoring and Troubleshooting Guide
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