Juniper M Series User Manual

Table 157: Checklist for Monitoring Redundant SSBs (continued)
Command or ActionMonitor Redundant SSB Tasks
show chassis environment1. Display the Redundant SSB
Environmental Status on page 720
show chassis ssb slot2. Display the Redundant SSB Detailed
Status on page 720
Check the LEDs on the SSB faceplate.3. Check the Redundant SSB LEDs on
page 721
“Displaying Redundant SSB Mastership” on page 722
show chassis ssb1. Display SSB Mastership from the
Command Line on page 722
Check the LEDs on the SSB panel of the
craft interface.
2. Check the SSB Mastership from the
LEDs on page 722
“Check for SSB Alarms” on page 723
show chassis alarms1. Display the Current SSB Alarms on
page 723
show log messages2. Display SSB Error Messages in the
System Log File on page 723
show log chassisd3. Display SSB Error Messages in the
Chassis Daemon Log File on page 724
“Verify SSB Failure” on page 724
Check the thumbscrews on the left and
right sides of the SSB.
1. Check the SSB Connection on page 725
1. Take the SSB offline.
2. Remove the SSB.
3. Replace the SSB with one that you
know works.
4. Verify that the new SSB works by
using the show chassis ssb
command.
2. Perform a Swap Test on the SSB on
page 725
request chassis ssb master switch
<no-confirm>
“Switch SSB Mastership” on page 726
1. Take the SSB offline.
2. Remove the SSB.
3. Install a new SSB.
4. Verify that the new SSB works by
using the show chassis ssb
command.
“Replace the SSB” on page 727
Copyright © 2012, Juniper Networks, Inc.716
M Series and T Series Routers Monitoring and Troubleshooting Guide

Juniper M Series Specifications

General

Brand	Juniper
Model	M Series
Category	Network Router
Language	English