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S600-E V200R012C00 Configuration Guide - IP Multicast

This document describes the configurations of IP multicast, including IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, controllable multicast, multicast network management.
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Configuring the IGMP Snooping Version

Configuring the IGMP Snooping Version

Context

Internet Group Management Protocol (IGMP) manages multicast group members and runs on the network segments where Layer 3 multicast devices connect to user hosts. IGMP has three protocol versions: V1, V2, and V3. You can specify an IGMP snooping version on a Layer 2 device to enable the device to process IGMP messages of specific versions. Generally, set the IGMP snooping version on a Layer 2 device to be the same as the IGMP version on the upstream Layer 3 multicast device. If IGMP is disabled on the Layer 3 multicast device, set the IGMP snooping version to be the same as or later than the IGMP version running on user hosts.

Devices in the same VLAN must run the same IGMP version. When hosts in a VLAN run different IGMP versions, configure an appropriate IGMP snooping version on the Layer 2 multicast device, to ensure that it can process IGMP messages of all the hosts.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

  3. Run igmp-snooping version version

    The version of IGMP messages that the switch can process is set.

    By default, the switch can process IGMPv1 and IGMPv2 messages, but cannot process IGMPv3 messages.

    NOTE:

    When the IGMP snooping version is set to IGMPv3, the switch forwards multicast data by looking up the forwarding table according to the VLAN ID and group address.

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Updated: 2018-09-01

Document ID: EDOC1100037948

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