igmp proxy forwarding

Use igmp proxy forwarding to enable multicast forwarding on a non-querier interface.

Use undo igmp proxy forwarding to disable multicast forwarding on a non-querier interface.

Syntax

igmp proxy forwarding

undo igmp proxy forwarding

Default

Multicast forwarding is disabled for a non-querier interface.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

Typically, only IGMP queriers can forward multicast traffic but non-queriers cannot. This mechanism prevents multicast data from being repeatedly forwarded. If a router interface on the IGMP proxy failed the querier election, enable multicast forwarding on the interface to forward multicast data to attached receivers.

Examples

# Enable multicast forwarding on VLAN-interface 100. (VLAN-interface 100 is a non-querier interface on the IGMP proxy device.)

<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] igmp proxy forwarding