Not sure if my question in title makes sense, but I have an Unraid server with 2 NICs (onboard 2.5Gbps main, and USB 1Gbps 2nd). 1st NIC is connected to a 2.5Gbps managed switch and is in 192.168.0.x subnet. I wanted to connect 2nd NIC to a Gigabit managed switch which has other devices connected to it. Everything works fine if all devices connected to the 1Gbps switch are in same subnet as my main lan, but if I assign some of the devices to a different subnet (192.168.107.x) which should be tagged with 107 VLAN, the devices are unreachable.
I am using a UniFi router and all but the 2.5 Gbps switch are unifi. Not sure if I need to mess around with the upstream 2.5Gbps switch, or if I need to do anything in Unraid to allow the VLAN tags to passthrough. Any help is appreciated.