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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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MGMD_1. hwMgmdTotalLimitThresholdExceed

MGMD_1. hwMgmdTotalLimitThresholdExceed


MGMD/3/hwMgmdTotalLimitThresholdExceed:OID [oid] IGMP or MLD total entries count in all instances reached the upper threshold. (hwMgmdNotificationAddressType=[integer], hwMgmdTotalLimitCurrentCount=[integer], hwMgmdTotalLimitThreshold=[integer]%, hwMgmdTotalEntries=[integer])

The proportion of global IGMP/MLD entries created to the maximum global IGMP/MLD entries allowed reached the upper alarm threshold.


Alarm ID Alarm Severity Alarm Type




Name Meaning


Indicates the MIB object ID of the alarm.


Group address type:
  • 1: IPv4 address (IGMP)

  • 2: IPv6 address (MLD)


Number of global IGMP/MLD entries created


Alarm threshold for global IGMP/MLD entries


Maximum number of global IGMP/MLD entries allowed

Impact on the System

If you continue to configure multicast services after this alarm is reported, new multicast services may fail to be provisioned due to the lack of IGMP/MLD entry resources.

Possible Causes

The proportion of global IGMP/MLD entries created to the maximum global IGMP/MLD entries allowed reached the upper alarm threshold.


  1. Check whether the upper alarm threshold is too low in the configuration file.

    • If the threshold is too low, go to Step 2.

    • If the threshold is not low, go to Step 3.

  2. Run the mgmd total-number threshold-alarm upper-limit upper-limit-value lower-limit lower-limit-value command in the multicast MIB view to set the upper alarm threshold to a larger value.
  3. Confirm whether network expansion is required. If network expansion is required, contact technical support personnel.
  4. End.

Related Information


Updated: 2019-03-06

Document ID: EDOC1100041475

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