User`s manual

NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL
Ver_B.2
103
4.2.2.4.6 Filter Database
4.2.2.4.6.1 IGMP Snooping
The NVF-800S supports IP multicast, to enable IGMP protocol on web management’s NVF-800S setting advanced page,
then display the IGMP snooping information in this page, it can view different multicast group, VID and member port, 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.
IP manages multicast traffic by using NVF-800S, bridges and hosts that support IGMP. Enabling IGMP allow the ports to
detect IGMP queries and report packets and manage IP multicast traffic through the NVF-800S (Figure 4.73)
Figure 4.73 IGMP Snooping
.