D-Link Router - System Management

83D-Link DWR-961 User Manual
Section 3 - Conguration
Multicast
IGMP
IGMP Option: Select Disable, Proxy, or Snooping. If you select Disable, no
additional conguration is required.
If you have selected Proxy:
IGMP Proxy
Version:
Select IGMPv2 or IGMPv3.
Interface: Specify a WAN interface over which the
Connected
Interfaces:
Specify connected interfaces. This option is greyed out for 4G
connections.
IGMP Fast
Leave:
Check the box to enable the fast leave feature.
IGMP Query
Interval:
The query interval is the amount of time in seconds between
General Query messages sent by the router (if the router is
querying on this subnet).
Robust
Count:
Set robustness value to account for packet loss on congested
networks.
The Internet Group Management Protocol (IGMP) is a communications protocol used by hosts and adjacent routers on IPv4 networks to establish
multicast group memberships. Multicast allows for the transmission of identical content, such as multimedia, from a source to a number of recipients,
and is commonly used for applications like IP TV. This setting should be disabled unless you use a service that explicitly relies on multicast.