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Configuration Guide - IP Multicast

S7700 and S9700 V200R013C00

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, IPv4 PIM, IPv6 PIM, MSDP, multicast VPN, layer 3 multicast CAC, IPv4 multicast route management, IPv6 multicast route management, IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, layer 2 multicast CAC, multicast network management.
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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: 2019-04-08

Document ID: EDOC1100065742

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