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show system alarms



Release Information

Command introduced in Junos OS Release 13.3 for PTX5000 routers with CSE2000.

Command introduced in Junos OS Release 13.3R4 for PTX3000 routers with CSE2000.


Display information about the active system alarms.


This command has no options.

Additional Information

System alarms are preset. They include a configuration alarm that appears when no rescue configuration alarm is set and a license alarm that appears when a software feature is configured and no valid license is configured for the feature. For more information about system alarms, see the Junos OS Administration Library for Routing Devices.

Required Privilege Level


List of Sample Output

show system alarms

show system alarms (No Alarms Active)

Output Fields

Table 1 lists the output fields for the show system alarms command. Output fields are listed in the approximate order in which they appear.

Table 1: show system alarms Output Fields

Field Name

Field Description

Alarm time

Date and time the alarm was first recorded.


Severity class for this alarm: Minor or Major.


Information about the alarm.

  • ESC <number> Version Mismatch : Software version mismatch (software version installed on CSE2000 is not supported by Junos OS software installed on PTX5000 or PTX3000 router).

  • ESC <number> Temperature Too Hot: CSE2000 service card temperature has exceeded the allowed temperature threshold.

  • ESC <number> Jflow crash: The active flow monitoring service has stopped on specified service card. The active flow monitoring service should restart within a few minutes. If the problem still persists, contact Juniper Networks Technical Assistance Center (JTAC).

  • ESC <number> PS<number> Absent: Power supply unit is absent.

  • ESC <number> Temperature Sensor Failure: CSE2000 service card temperature sensor has failed.

  • ESC <number> Voltage Sensor Failure: CSe2000 service card voltage sensor has failed.

  • ESC <number> Fan Failure: CSE2000 service card fan has failed.

  • ESC <number> PS<number> Input Absent: Input for power supply unit is absent for the CSE2000 service card.

Sample Output

show system alarms

user@host> show system alarms

show system alarms (No Alarms Active)

user@host> show system alarms