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Configuration Guide - IP Multicast

S7700 and S9700 V200R010C00

This document describes IP multicast basics and how to configure IP multicast features, including IGMP/MLD, PIM (IPv4&IPv6), MSDP, multicast VPN, Layer 3 multicast CAC, Layer 2 multicast CAC, IGMP/MLD snooping, and multicast VLAN, IPv4&IPv6 multicast route management, static multicast MAC address, multicast network.
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Limiting the Number of Multicast Groups in a Channel

Limiting the Number of Multicast Groups in a Channel

Context

Layer 3 multicast CAC can limit the number of multicast groups in a channel globally or on an interface. The global and per interface limits can be used together to flexibly control the number of multicast groups.

Procedure

  • Limiting the number of multicast groups in a channel globally
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      multicast-channel [ vpn-instance vpn-instance-name ]

      The multicast-channel view is displayed.

    3. Run:

      channel channel-name

      The channel view is displayed.

    4. Run:

      multicast limit limit [ threshold threshold ]

      A global CAC limit is configured for multicast groups in the channel. If you specify the threshold parameter in the command, the system will record alarm information when the number of multicast groups exceeds the configured threshold.

  • Limiting the number of multicast groups in a channel on an interface
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      interface interface-type interface-number

      The interface view is displayed.

    3. Run:

      multicast limit channel channel-name out { max-entry limit | bandwidth traffic-rate } *

      A CAC limit is configured for multicast groups in a channel on the interface.

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Updated: 2019-08-21

Document ID: EDOC1000141903

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