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MODEM ROUTER USER MANUAL - Warranty Life

MODEM ROUTER USER MANUAL - Warranty Life

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5.2.6.4 IGMP Proxy<br />

When IGMP Proxy (Internet Group Management Protocol Proxy) is enabled, the<br />

router can make intelligent multicast forwarding decisions by examining the<br />

contents of each frame’s IP header. Without the function, the router will<br />

broadcast the multicast packets to each port and may create excessive traffic on<br />

the network and degrade the performance of the network.<br />

The IGMP Proxy screen allows you to enable multicast on WAN and LAN<br />

interfaces. The LAN interface always serves as a downstream IGMP proxy, and<br />

you can configure one of the available WAN interfaces as the upstream IGMP<br />

proxy. Upstream is the interface used when IGMP requests from hosts are sent<br />

to the multicast router. Downstream is the interface used when data from the<br />

multicast router are sent to hosts in the multicast group database.<br />

Parameter Description<br />

IGMP Proxy Enable or disable the IGMP proxy feature.<br />

Proxy Interface The upstream WAN interface is selected here.<br />

When you finish, click “Apply Changes.” You’ll see the following message<br />

displayed on Web browser.<br />

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