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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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Configuring a User VLAN

Configuring a User VLAN


When you configure multicast VLAN replication based on user VLANs, you must enable Layer 2 IGMP snooping in user VLANs.


  1. Run:


    The system view is displayed.

  2. (Optional) Run:

    assign multicast-resource-mode optimize

    The multicast replication capability of LPUs is improved.

    If the switch needs to replicate a huge number of multicast packets, run this command to improve the multicast replication capability before enabling IGMP snooping.

  3. Run:

    igmp-snooping enable

    IGMP snooping is enabled globally.

  4. Run:

    vlan vlan-id

    A VLAN is created, and the VLAN view is displayed.

  5. Run:

    igmp-snooping enable

    IGMP snooping is enabled in the VLAN.

Updated: 2019-08-21

Document ID: EDOC1000141903

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