Hi PhillipJFry, Similar to your situation, we also use dual MAB authentication. The device intended for the data VLAN is taking over the voice VLAN, which prevents both devices from connecting to the network, according to Meraki support isolation. Could you please provide more details on the precise solution you have used? You stated that you implemented a "separate network policy" for this type of configuration. Specifically, where did you implement the network policy?
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