2Giga Ethernet Managed 4 Band VDSL IP DSLAM USER’S MANUAL Ver. A.4
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4.4.5 Filter Database
IGMP Snooping
The 24 ports VDSL IP DSLAM supports IP multicast, you can enable IGMP protocol on web management’s switch
setting advanced page, then display the IGMP snooping information in this page, you can view difference multicast
group, VID and member port in here, IP multicast addresses range from 224.0.0.0 through 239.255.255.255.
The Internet Group Management Protocol (IGMP) is an internal protocol of the Internet Protocol (IP) suite.