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