IGMP Proxy Configuration IGMP proxy enables the system to issue IGMP host messages on behalf of hosts that the system discovered through standard IGMP interfaces. The system acts as a proxy for its hosts when you enable it by doing the follows: . Enable IGMP proxy on WAN interface (upstream), which connects to a router running IGMP. . Enable IGMP on LAN interface (downstream), which connects to its hosts. IGMP Proxy: Disable Enable Proxy Interface: