@Paul_Elliott - I’ve moved your post from the Support category of the forum to the Tinkering category, as stated in the Help article on using Tailscale with the Nucleus:
- If you’re still having difficulty using ARC with Tailscale, please post on Roon Community in the Tinkering category, where users are accumulating Tailscale/ARC expertise.
Community Resources:
As of this writing, the best source of knowledge on Community for subnet routing in Tailscale lives here: Tailscale implementation on ROCK (NUC) To circumnavigate ISP CGNAT for ARC