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the multicast protocol to conduct multimedia streams to the hosts (such as IPTVs). When a host
makes a request for the multimedia stream of a channel, it will send a request packet to join the
multicast group of this channel to the multicast router. And if the device between the host and the
multicast router supports the IGMP snooping or proxy, it will remember the port from which it
receives the request. Then, it will forward the multimedia stream to the host when it receives the
multimedia stream from the router. For details on the settings, please refer to the description of the
individual section below. Select
IGMP
Control
from the
IPTV
sub menu bar. Then,
IGMP
Control
screen page appears as follows:
For details on the settings, please refer to the description of the individual section below.
IGMP Snooping/Proxy
Enable or disable the IGMP snooping and IGMP proxy function on the
Residential Gateway. When the IGMP host is on the private network, the IGMP proxy must be
activated for the Residential Gateway to learn the request of the host. And when the IGMP host is
on the public network, the IGMP snooping must be enabled for the Residential Gateway to learn
this request of the host.
IGMP Options
This section allows you to set some values for other IGMP parameters.
Fast Leave
— If Enabled, it allows the host to change its multicast memberships faster.
Thus, you can change the channels on the host faster.
Click
Apply
to submit your settings after you finish configuring this page. Or click
Cancel
to clear
all the unsaved values in this page.