Tailscale user:
Is it possible to add a gateway to the Tailscale network and default route some clients though it?
Support:
Thanks for your question!
We have a github issue on this - you can add additional comments if you like. Passing the default route through a subnet gateway is possible if you share 0.0.0.0/0, but it currently has significant caveats, such as that IPv6 traffic will not go through that gateway and you can only designate one system to provide the default route for your entire network.