Unable to connect to Roon ARC with network error and NAT issues (ref#D7V4HR)

[Wade_Oram]

You have two subnets in your local network: 192.168.2.0/24 and 192.168.50.0/24.

This means that you have two routers in your network - presumably you have connected your Asus GT-BE98 Pro to and ISP supplied router or modem/router.

I helped someone else with the same issue just recently. You can find my reply at:

Network Error and Multiple NAT Found in Connectivity Issue (ref#45EBS8)

MultipleNatFound, as seen in the quoted diagnostic text above, means that either you have got two (or more) routers in your network between the Roon Server machine and the ISP or your ISP uses CG-NAT or both. In the diagnostic text, I can see ip addresses mentioned in two separate private subnets (192.168.178.25 and 192.168.68.1) which tells me that you actually have two devices offering router functionality in you home network. This means that the Fritzbox is not the only router in your home. …