Support IGMP proxy/relay function for ADSL modem, based on the following re- quirement and case:
•On CO side, there must be at least one IGMP querier (router) present. IGMP querier will send IGMP query packet. The ADSL modem is responsible to relay these IGMP query to Ethernet.
•It is not necessary to relay multicast routing between two ADSL PVCs or two interfaces in LAN side.
•Special purpose multicast packet (such as RIP 2 packet) should run without interference.
Table
Note: Before the IGMP mode is enabled; please go to the Miscellaneous Configuration page to enable the IGMP proxy. Otherwise, the IGMP selection will not be valid.
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