Igmp Snooping - Dell PowerConnect 5548P System User's Manual

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IGMP Snooping

IGMP Snooping can be enabled globally, as described in the Global

Parameters page. It can also be enabled per VLAN to support selective IPv4

Multicast forwarding. In this case, Bridge Multicast filtering must also be

By default, a Layer 2 switch forwards Multicast frames to all ports of the

relevant VLAN, essentially treating the frame as if it were a Broadcast. When

IGMP Snooping is enabled per VLAN, the switch forwards Multicast frames

to ports that have registered as Multicast clients in the VLAN.

The switch supports IGMP Snooping only on static VLANs. It does not

support IGMP Snooping on dynamic VLANs.

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Dell PowerConnect 55xx Systems User Guide