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What is IGMP Snooping and why is it important for Ethernet/IP applications?

April 26, 2017applications Ethernet industrial ethernet IP managed switch Multicast snooping

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What is IGMP Snooping and why is it important for Ethernet/IP applications?

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IGMP Snooping and IGMP Query are a process by which network switches listen to IGMP, or multicast, conversations between network devices and then filter out unnecessary traffic. IGMP Snooping is very important in order to ensure proper performance on networks with heavy multicast traffic, like those using Ethernet/IP.