multicast group
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... IP hosts to
report their multicast group memberships to any immediately-
neighboring multicast routers. This memo describes only the use of
...
... group membership.
Routers that are members of multicast groups are expected to behave
as hosts as well as routers ...
... networks. A multicast router keeps a list
of multicast group memberships for each attached network, and a timer
...
... network, and a timer
for each membership. "Multicast group memberships" means the
presence of at least one member of a multicast group on a given
...
... for each membership. "Multicast group memberships" means the
presence of at least one member of a multicast group on a given
attached network, not a list of all of the members. With respect to
...
... reliably determine membership information. A General Query is
addressed to the all-systems multicast group (224.0.0.1), has a Group
Address field of 0, and has a Max Response Time of [Query Response
Interval ...
... router receives a Report, it adds the group being reported to
the list of multicast group memberships on the network on which it
received the Report and sets the timer ...
...
When a host joins a multicast group, it should immediately transmit
an unsolicited Version 2 Membership Report for that group ...
... send a Leave Group message to the all-routers multicast group
(224.0.0.2). If it was not the last host to reply to a Query ...
... hosts on the network
which have sent reports for this multicast group. This is the
initial state for all groups ...
... Leave Group message but has not yet heard a Membership Report for
the multicast group.
...