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CLI-based Configuration Guide - IP Multicast

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

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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Configuring the Upper and Lower Alarm Thresholds for IGMP/MLD Entries

Configuring the Upper and Lower Alarm Thresholds for IGMP/MLD Entries

Context

A device supports a limited number of Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) entries. After the number of IGMP/MLD entries reaches the maximum value, no more IGMP/MLD entries can be created. As a result, some multicast traffic cannot be forwarded. To facilitate network operation and maintenance, configure the upper and lower alarm thresholds for IGMP/MLD entries. IGMP/MLD entry alarms and clear alarms help you learn IGMP/MLD entry usage in a timely manner. You can flexibly adjust the alarm thresholds for IGMP/MLD entries based on actual service requirements.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run multicast-mib

    The multicast management information base (MIB) view is displayed.

  3. Run mgmd total-number threshold-alarm upper-limit upper-limit-value lower-limit lower-limit-value

    The upper and lower alarm thresholds for IGMP/MLD entries are configured.

    Note that:

    • upper-limit-value specifies the upper alarm threshold. If the proportion of existing IGMP/MLD entries in all instances to the maximum number reaches this threshold, an IGMP/MLD entry alarm is reported for all VPN instances.
    • lower-limit-value specifies the lower alarm threshold. If the proportion of existing IGMP/MLD entries in all instances to the maximum number falls below this threshold, an IGMP/MLD entry clear alarm is reported for all VPN instances.
    • upper-limit-value must be greater than lower-limit-value.

    By default, upper-limit-value is 80% and lower-limit-value is 75%.

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Updated: 2019-03-06

Document ID: EDOC1100069332

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