So my understanding is that “use-tag” got removed with the conversation from the “wireless” to the “wifi-qcom”/“wifi-qcom-ac” package. I am struggling to enable WiFi with VLANs as well. I have decided to open a dedicated topic for this as our problems are a bit different I believe: http://forum.mikrotik.com/t/wireless-vlans-on-ros-7-15-0/176857/2