Juniper EX4600

Troubleshoong the EX4600 Components
IN THIS SECTION
Understand Alarm Types and Severity Levels on EX Series Switches | 121
Interface Alarm Messages | 123
Creang an Emergency Boot Device | 123
Performing a Recovery Installaon | 125
Understand Alarm Types and Severity Levels on EX Series Switches
NOTE: This topic applies only to the J-Web Applicaon package.
Alarms alert you to condions that might prevent normal operaon of the switch. Before monitoring
alarms on a Juniper Networks EX Series Ethernet switch, become familiar with the terms dened in
Table 31 on page 121.
Table 31: Alarm Terms
Term Denion
alarm Signal alerng you to condions that might prevent normal operaon. On a switch, the
alarm signal is the ALM LED lit on the front of the chassis.
alarm condion Failure event that triggers an alarm.
alarm severity Seriousness of the alarm. If the Alarm (ALM) LED is red, this indicates a major alarm. If
the Alarm LED is yellow or amber, this indicates a minor alarm. If the Alarm LED is unlit,
there is no alarm or the switch is halted.
chassis alarm Preset alarm triggered by a physical condion on the switch such as a power supply
failure, excessive component temperature, or media failure.
121