Juniper M Series User Manual

Figure 264: SSB LEDs
The SSB has two groups of LEDs: online/offline LEDs and status LEDs. The online/offline
LEDs indicate whether the SSB is online or offline. The status LEDs indicate what type
of task the SSB is performing. Table 125 on page 510 describes the LED states.
Table 125: SSB LEDs
DescriptionStateColorLabel
SSB is offline.On steadilyAmberOFFLINE
SSB processor is running.On steadilyGreenONLINE
SSB is master.On steadilyBlueMASTER
SSB processor is running. Normally, the
blinking is faint and becomes bright only
when the SSB is processing many
exceptions.
BlinkingGreenSTATUS (left)
I/O interrupts are occurring.FlashingGreenSTATUS (right)
Related
Documentation
Checklist for Monitoring the SSB on page 505•
Check for SSB Alarms
To check for SSB alarms:
1.
Display SSB Error Messages in the System Log File on page 510
2.
Display SSB Error Messages in the Chassis Daemon Log File on page 511
Display SSB Error Messages in the System Log File
Purpose To determine the details of the SSB error messages in the system log file. Periodically
check the SYSLOG messages on the management console for messages sent by the
SSB. During normal operation, the SSB notifies the Routing Engine of any errors it detects.
Action To display the SSB error messages in the system log file, use the following CLI command:
user@host> show log messages
Copyright © 2012, Juniper Networks, Inc.510
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