3 Web-based Management
3.5.2.2 Node IGMP
3.5.2.3 IGMP Snooping
Internet Group Management Protocol Snooping (IGMP Snooping) is a multicast constraining
mechanism that runs on Layer 2 devices to manage and control multicast groups.
By listening to and analyzing IGMP messages, a Layer 2 device running IGMP Snooping
establishes mappings between ports and multicast MAC addresses and forwards multicast
data based on these mappings.
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