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CHAPTER 19
Alarms and Syslog Messages
•
Understanding Alarm Types and Severity Levels on EX Series Switches on page 183
•
Chassis Component Alarm Conditions on EX3300 Switches on page 184
•
Checking Active Alarms with the J-Web Interface on page 191
•
Monitoring System Log Messages on page 192
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 56: 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 LED (
ALM
) is lit red, this indicates a major alarm. If the
ALM
LED is lit yellow, this indicates a minor alarm. If the
ALM
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
183
Copyright © 2016, Juniper Networks, Inc.
Summary of Contents for EX3300
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