Gigabyte GN-GSV2401M, User Manual

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Filter Database
n
Forwarding and Filtering
The GN-GSV2401M support IP multicast, you can enable IGMP protocol on
web management’s switch setting advanced page, then display the IGMP
snooping information in this page, you can view difference multicast
group ,VID and member port in here, IP multicast addresses range from
224.0.0.0 through 239.255.255.255.
The Internet Group Management Protocol (IGMP) is an internal protocol of
the Internet Protocol (IP) suite.
IP manages multicast traffic by using switches, routers, and hosts that
support IGMP. Enabling IGMP allows the ports to detect IGMP queries and
report packets and manage IP multicast traffic through the switch. IGMP have
three fundamental types of message as follows:
Message Description
Query
A message sent from the querier (IGMP router or switch)
asking for a response from each host belonging to the
multicast group.
Report
A message sent by a host to the querier to indicate that the
host wants to be or is a member of a given group indicated in
the report message.
Leave Group A message sent by a host to the querier to indicate that the
host has quit to be a member of a specific multicast group.