Looking for a more detailed description of what Meraki MS switch defines as unknown multicast traffic. Is it as simple as any traffic that did not create state in the snooping table with IGMP join/report messages? In other words devices just sending to groups but not participating in IGMP process would fall in the unknown traffic.. Would device sending L2 mcast mac 0100:5e00.xxxx.xxxx fall in unknown. etc..
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