Igmp - Draytek Vigor2820 Series User Manual

3 . 8 . 5 I G M P
3 . 8 . 5 I G M P
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. For invoking IGMP Snooping function, you have to check the Enable IGMP Proxy
box first for activating the IGMP proxy function.
Enable IGMP Proxy
Enable IGMP Snooping
Group ID
P1 to P4
Refresh
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.
Check this box to enable this function. The application of
multicast will be executed through WAN1/2 port or PVC. Use
the drop down list to choose the interface.
Check this box to enable this function. The application of
multicast will be executed for the clients in LAN.
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.
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.
It indicates the LAN port used for the multicast group.
Click this link to renew the working multicast group status.
145
Vigor2820 Series User's Guide