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Alarm Handling

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the device so as to locate faults.

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RMON_1. fallingAlarm

RMON_1. fallingAlarm


RMON/4/ALARMFALL:OID [OID] Alarm table [alarm-table-index] monitors [sample-object-oid] with the sample type being [sample-type], and the sampled alarm value [alarm-value] is less than or equal to [falling-value].

The value of the alarm entity was lower than fallingthreshold.


Alarm ID Alarm Severity Alarm Type Warning environmentalAlarm(6)


Name Meaning


Indicates the MIB object ID of the alarm.


Indicates the index of the alarm entry.


Indicates the OID of the sampled object.


Indicates the type of the sampled alarm.


Indicates the alarm value.


Indicates the lower threshold of the alarm.

Impact on the System


Possible Causes

Cause 1:

If the current sampled value was less than or equal to this threshold, and the last sampled value was greater than this threshold, the alarm was generated.

Cause 2:

After this alarm entry became valid, when the first sampled value was less than or equal to this threshold, and the values of fallingAlarm, risingAlarm, and risingOrFallingAlarm were equal, the alarm was generated.


  • This alarm is triggered only when the lower interface traffic monitoring threshold configured using the rmon alarm command is reached. It is a user-configured monitoring alarm and does not affect services. Therefore, no action is required.

Related Information


Updated: 2019-03-06

Document ID: EDOC1100041475

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