I have an unifi USW Pro 48, This is the first time I am configuring VLANs on unifi. but my first issue is that when I plug in the uplink fiber I get no through traffic to the next switch. if I plug it into the current switch (TP-Link) it works as expected. the Switch sits on an infrastructure VLAN on 10.19.0.x it has a static IP, like all the rest of the switches on the network. The switch ...