IGS-3032GC User’s Manual
55
5.1.9 IGMP
5.1.9.1
IGMP Snooping
Internet Group Management Protocol (IGMP) is used by IP hosts to register
their dynamic multicast group membership. IGMP has 3 versions, IGMP v1,
v2c and v3. Please refer to RFC 1112, 2236 and 3376. IGMP Snooping
improves the performance of networks that carry multicast traffic. It provides
the ability to prune multicast traffic so that it travels only to those end
destinations that require that traffic and reduces the amount of traffic on the
Ethernet LAN.
IGMP Snooping interface
The following table describes the labels in this screen.
Label Description
IGMP Snooping
Enable/Disable IGMP snooping.
IGMP Query Mode
Switch will be IGMP querier or not. There should exist one
and only one IGMP querier in an IGMP application. The
"Auto" mode means that the querier is the one with lower IP
address.
IGMP Snooping Table
Show current IP multicast list
Apply
Click “Apply” to set the configurations.
Help
Show help file.
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