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CHAPTER 19
Alarms and System Log Messages
Understanding Alarm Types and Severity Levels on EX Series Switches
Table 57: Alarm Terms
Term
alarm
alarm condition
alarm severity
chassis alarm
system alarm
Copyright © 2017, Juniper Networks, Inc.
Understanding Alarm Types and Severity Levels on EX Series Switches on page 211
Chassis Component Alarm Conditions on EX2300 Switches on page 212
Checking Active Alarms with the J-Web Interface on page 214
Monitoring System Log Messages on page 215
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 57 on page
Definition
Signal alerting you to conditions that might prevent normal operation. On a switch, the alarm
signal is the
LED lit on the front of the chassis.
ALM
Failure event that triggers an alarm.
Seriousness of the 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.
Preset alarm triggered by a physical condition on the switch such as a power supply failure,
excessive component temperature, or media failure.
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.
Alarm Types
211.
) LED is red, this indicates a major alarm. If the Alarm
ALM
211
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