Troubleshooting Hardware; Troubleshooting The Ex4600 Components; Understanding Alarm Types And Severity Levels On Ex Series Switches - Juniper EX4600 Hardware Manual

CHAPTER 5

Troubleshooting Hardware

Troubleshooting the EX4600 Components

Understanding Alarm Types and Severity Levels on EX Series Switches

Table 33: Alarm Terms
Term
alarm
alarm condition
alarm severity
chassis alarm
system alarm
Copyright © 2019, Juniper Networks, Inc.
Troubleshooting the EX4600 Components on page 109
Understanding Alarm Types and Severity Levels on EX Series Switches on page 109
Interface Alarm Messages on page 110
Creating an Emergency Boot Device on page 111
Performing a Recovery Installation on page 112
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 33 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.
109.
ALM ) LED is red, this indicates a major alarm. If the Alarm
109