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CLI-based Configuration Guide - IP Multicast

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

This document describes the principles and configurations of IP multicast, and provides configuration examples.
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Configuring the Upper and Lower Alarm Thresholds for PIM Entries

Configuring the Upper and Lower Alarm Thresholds for PIM Entries

Context

A device supports a limited number of Protocol Independent Multicast (PIM) entries. After the number of PIM entries reaches the maximum value, no more PIM 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 PIM entries. PIM entry alarms and clear alarms help you learn PIM entry usage in a timely manner. You can flexibly adjust the alarm thresholds for PIM 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:

    pim { star-group-number | source-group-number } threshold-alarm upper-limit upper-limit-value lower-limit lower-limit-value

    The upper and lower alarm thresholds for PIM entries are configured.

    Note that:

    • star-group-number indicates that the alarm thresholds are set for PIM (*, G) entries.
    • source-group-number indicates that the alarm thresholds are set for PIM (S, G) entries.
    • upper-limit-value specifies the upper alarm threshold. If the proportion of existing PIM entries to the maximum number reaches this threshold, a PIM entry alarm is reported.
    • lower-limit-value specifies the lower alarm threshold. If the proportion of existing PIM entries to the maximum number falls below this threshold, a PIM entry clear alarm is reported.
    • 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: 2019-06-12

Document ID: EDOC1000097181

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