I’ve been using JRiver and decided to give Roon a try. I can’t get Roon 2.0 to recognize the Bridge. It is recognized by JRiver just fine. The DNS server IP and subnet for the Bridge appear to match the computer (PC Windows 10) on which I have the Roon Core.
Make sure you have the latest Bridge ii software. It’s been a while since I thought about the bridge but at one point it couldn’t do roon, or so I recall. You might find what you need here: