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Alarm Handling

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

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_1.3.6.1.4.1.2011.5.25.149.3.3.8 hwMgmdGMPTotalLimit

MGMD_1.3.6.1.4.1.2011.5.25.149.3.3.8 hwMgmdGMPTotalLimit

Description

MGMD/3/GLBLIMIT:OID [oid] Membership report message is discarded because the total IGMP or MLD group membership limitation is exceeded in all instances. (GroupAddressType=[integer], SrcAddr=[binary], GrpAddr=[binary], LimitCnt=[integer])

New members failed to join the IGMP group because the total number of IGMP entries in all instances reached the limit.

Attribute

Alarm ID Alarm Severity Alarm Type

1.3.6.1.4.1.2011.5.25.149.3.3.8

Minor

qualityOfServiceAlarm(3)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

GroupAddressType

Indicates the inetAddressType of group address. The value can be:
  • 1: IPv4 address

  • 2: IPv6 address

SrcAddr

Indicates the source address of the Report message.

GrpAddr

Indicates the group address of the Report message.

LimitCnt

Indicates the limit of IGMP entries in all instances.

Impact on the System

After the total number of entries in all instances reaches the limit, new members fail to join the IGMP group, and corresponding entries cannot be established. In this case, terminal users cannot receive the desired on-demand video programs.

Possible Causes

After the limit to the total number of IGMP entries in all instances was set on the router, when the total number of IGMP entries reached the limit, new members failed to join the IGMP group and the corresponding trap was generated.

Global IGMP entries include the (*,G) entries, (S,G) entries, and entries in the SSM-mapping table in all instances.

Procedure

  1. Run the display igmp all-instance group verbose and display current-configuration commands to check whether the statistical number of IGMP entries in all instances is equal to or greater than the limit value that is set by the igmp global limit command.

    • If so, go to Step 2.

    • If not, go to Step 4.

  2. Check the network status and judge whether more IGMP entries can be maintained on the router of the network.

    • If so, go to Step 3.

    • If not, go to Step 5. This situation indicates that multicast services in the network are saturated and therefore no more IGMP entries can be added. It is recommended to reduce multicast services or deploy a higher-performance device as an alternative to the current device.

  3. Run the igmp global limit number command in the system view to increase the limit value of the IGMP entries in all instances. Then, check whether the trap persists.

    • If so, go to Step 1.

    • If not, go to Step 5.

  4. Collect alarm information and configuration information, and then contact technical support personnel.
  5. End.

Related Information

None

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Updated: 2019-05-07

Document ID: EDOC1100034065

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