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FS728TP Smart Switch Software User Manual
Configuring the Device Using Your Browser 5-120
v2.0, November 2006
Configuring IGMP Snooping
When IGMP snooping is enabled, all IGMP packets are forwarded to the CPU. The CPU analyzes
the incoming packets and determines which ports want to join which multicast groups, which ports
have multicast routers generating IGMP queries, and what routing protocols are forwarding
packets and multicast traffic. Ports requesting to join a specific multicast group issue an IGMP
report specifying that multicast group. This results in the creation of the Multicast filtering
database.
To enable IGMP Snooping:
1. Click Advanced > Multicast > IGMP Snooping. The IGMP Snooping Page opens:
Figure 5-80
The IGMP Snooping Page contains the following fields:
– Enable IGMP Snooping Status – Indicates if IGMP Snooping is enabled on the device.
IGMP Snooping can be enabled only if Bridge Multicast Filtering is enabled. The possible
field values are:
– Checked – Enables IGMP Snooping on the device.
– Unchecked – Disables IGMP Snooping on the device.