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CHAPTER 29
Alarms and System Log Messages
•
Understanding Alarm Types and Severity Levels on EX Series Switches on page 301
•
Chassis Component Alarm Conditions on EX9200 Switches on page 302
•
Monitoring System Log Messages on page 310
Understanding Alarm Types and Severity Levels on EX Series Switches
NOTE:
This topic applies only to the J-Web Application package.
Alarms alert you to conditions that might prevent normal operation of the switch. Before
monitoring alarms on a Juniper Networks EX Series Ethernet switch, become familiar
with the terms defined in
.
Table 68: Alarm Terms
Definition
Term
Signal alerting you to conditions that might prevent normal operation. On a switch, the alarm
signal is the
ALM
LED lit on the front of the chassis.
alarm
Failure event that triggers an alarm.
alarm condition
Seriousness of the alarm. If the Alarm (
ALM
) LED is red, this indicates a major alarm. If the Alarm
LED is yellow, this indicates a minor alarm. If the Alarm LED is unlit, there is no alarm or the switch
is halted.
alarm severity
Preset alarm triggered by a physical condition on the switch such as a power supply failure,
excessive component temperature, or media failure.
chassis alarm
Preset alarm triggered by a missing rescue configuration or failure to install a license for a licensed
software feature.
NOTE:
On EX6200 switches, a system alarm can be triggered by an internal link error.
system alarm
Alarm Types
301
Copyright © 2017, Juniper Networks, Inc.
Summary of Contents for EX9208
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