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6.22 IGMP Configuration
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, report packets, and
manage IP multicast traffic through the switch. IGMP have three fundamental types of
message shown as follows:
A message sent from the querier (IGMP router or switch)
asking for a response from each host belonging to the
multicast group.
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.
A message sent by a host to the querier to indicate that the
host has quit being a member of a specific multicast group.
The switch support IP multicast, you can enable IGMP protocol on web management’s
switch setting advanced page, then the IGMP snooping information displays. IP multicast
addresses range are from 224.0.0.0 through 239.255.255.255.
IGMP Protocol: enable or disable the IGMP protocol.
IGMP Query: enable or disable the IGMP query function. The IGMP query information
will be displayed in IGMP status section.
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