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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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(Optional) Configuring the Range of Multicast Groups that an Interface Can Join

(Optional) Configuring the Range of Multicast Groups that an Interface Can Join


To control the range of multicast groups that hosts on an interface's network segment can join, use an access control list (ACL) to filter Membership Report messages received on the interface. This ACL allows the switch to maintain only memberships of the interface in these multicast groups. For details on how to configure an ACL, see ACL Configuration in the S7700 and S9700 V200R010C00 Configuration Guide - Security.


  1. Run:


    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The interface view is displayed.

  3. (Optional) On an Ethernet interface, run undo portswitch

    The interface is switched to Layer 3 mode.

    By default, an Ethernet interface works in Layer 2 mode.

  4. Run:

    igmp group-policy { acl-number | acl-name acl-name } [ 1 | 2 | 3 ]

    An ACL is applied to specify the range of multicast groups that the interface can join.

    By default, an interface can join any multicast groups.


    When configuring an ACL rule for an interface, use the permit parameter in the rule command to allow hosts connected to the interface to join groups within the specified range. If no rule is configured in the ACL, hosts connected to the interface cannot join any groups.

Updated: 2019-08-21

Document ID: EDOC1000141903

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