I tried similar setup on 1Gbe/100Mbe Internet connection. I had traffic shaping, prioritizing, fasttrack off. Otherwise, global queues don't work. I did never find out how to manage QoS/prio with fasttrack. It seems to be impossible so far. There is a solution to get running only interface hw queues...

Since ROS v6 so-called double QoS is not possible as used to be based on http://mum.mikrotik.com/presentations/CZ09/QoS_Megis.pdf . I have managed either priorities for services DNS, 3-way-handshake, web browsing, heavy traffic or PCQ. Service priorities are great, but one user kills it for others v...