User`s guide

Vigor2110 Series User’s Guide
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IGMP is the abbreviation of Internet Group Management Protocol. It is a communication
protocol which is mainly used for managing the membership of Internet Protocol multicast
groups.
Enable IGMP Proxy
Check this box to enable this function. The application of
multicast will be executed through WAN port. In addition,
such function is available in NAT mode.
Enable IGMP Snooping
Check this box to enable this function. Multicast traffic will
be forwarded to ports that have members of that group.
Disabling IGMP snooping will make multicast traffic treated
in the same manner as broadcast traffic.
Group ID
This field displays the ID port for the multicast group. The
available range for IGMP starts from 224.0.0.0 to
239.255.255.254.
P1 to P4
It indicates the LAN port used for the multicast group.
Refresh
Click this link to renew the working multicast group status.
If you check Enable IGMP Proxy, you will get the following page. All the multicast groups
will be listed and all the LAN ports (P1 to P4) are available for use.