Draytek VigorSwitch P1085, User Manual, Page: 50 / 267

VigorSwitch P1085 User’s Guide 42
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IGMP snooping is the process of listening to Internet Group Management Protocol (IGMP)
network traffic. The feature allows a network switch to listen in on the IGMP conversation
between hosts and routers. By listening to these conversations the switch maintains a map of
which links need which IP multicast streams. Multicasts may be filtered from the links which
do not need them and thus controls which ports receive specific multicast traffic.
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This page allows the network administrator to enable/disable IGMP function, select snooping
version, and enable/disable snooping report suppression.
Available settings are explained as follows:
Item Description
IGMP Snooping State

Enable – Click it to set enabling IGMP function.