9
IGMP Snooping
Listening to
IGMP Query and IGMP Report
packets transferred between IP Multicast Routers
and
IP Multicast host groups
to identify
IP Multicast group members.
Internet Group Management Protocol (IGMP)
A protocol through which hosts can register with their local router for multicast services. If there
is more than one multicast router on a given subnetwork, one of the routers is made the
“querier”
and assumes responsibility for keeping track of
group membership.
