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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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RM_1. hwIpv4PrefixThresholdExceed

RM_1. hwIpv4PrefixThresholdExceed


RM/4/IPV4_PREFIX_THRESHOLD_EXCEED:OID [oid] The number of IPv4 prefixes exceeded the threshold. (PrefixCount=[Integer], MaxValue=[Integer])

The number of IPv4 route prefixes exceeded the alarm threshold.


Alarm ID Alarm Severity Alarm Type




Name Meaning


Indicates the MIB object ID of the alarm.


Indicates the number of IPv4 route prefixes in the routing table.


Indicates the maximum number of IPv4 route prefixes supported by the device.

Impact on the System

The number of IPv4 route prefixes exceeded the alarm threshold, and services may be affected if the number of IPv4 route prefixes keeps increasing.

Possible Causes

A large number of IPv4 dynamic protocol routes (BGP or IGP routes for example), static routes, direct routes, or UNR routes were added to the routing table.


  1. Please collect trap, log, and configuration information, and contact technical support personnel.
Updated: 2019-03-06

Document ID: EDOC1100041475

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