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Forwarding and Filtering
IGMP Snooping
The switch 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,
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
A message sent from the querier (IGMP router or switch) asking for a
Query
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
Report
message.
A message sent by a host to the querier to indicate that the host has
Leave
quit to be a member of a specific multicast group.
Group
When you enable the IGMP Snooping, you will see the relate information show as
following figure.
IP
multicast
addresses
range
from
Description
84
224.0.0.0
through
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