Understanding Alarm Types And Severity Levels On Ex Series Switches; System Monitoring Overview - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

CHAPTER 33

System Monitoring Overview

Understanding Alarm Types and Severity Levels on EX Series Switches

Table 109: Alarm Terms
Term
alarm
alarm condition
alarm severity
chassis alarm
system alarm
Copyright © 2010, Juniper Networks, Inc.
Understanding Alarm Types and Severity Levels on EX Series Switches on page 629
Dashboard for EX Series Switches on page 630
Before monitoring alarms on the switch, become familiar with the terms defined in Table
109 on page 629.
Definition
Signal alerting you to conditions that might prevent normal operation. On a switch, the alarm
signal is the yellow ALARM LED lit on the front of the chassis.
Failure event that triggers an alarm.
Seriousness of the alarm. The level of severity can be either major (red) or minor (yellow).
Predefined alarm triggered by a physical condition on the switch such as a power supply failure,
excessive component temperature, or media failure.
Predefined alarm triggered by a missing rescue configuration or failure to install a license for a
licensed software feature.
Alarm Types
The switch supports these alarms:
Chassis alarms indicate a failure on the switch or one of its components. Chassis alarms
are preset and cannot be modified.
System alarms indicate a missing rescue configuration. System alarms are preset and
cannot be modified, although you can configure them to appear automatically in the
J-Web interface display or CLI display.
Alarm Severity Levels
629