Spectrum 802.11ac Wave 2 User Manual page 65

4. Enable IGMP/MLD Snooping: Check [Yes] to enable snooping and Check [No] to disable
5. When done, click Apply.
snooping. IGMP/MLD snooping is the process of listening to
Internet Group Management Protocol (IGMP) / Multicast
Listener Discovery (MLD) network traffic. The feature lets a
network switch listen in on the IGMP/MLD conversation
between hosts and WiFi Routers.
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