https://blog.hofstede.it/running-your-own-as-bgp-on-freebsd-with-frr-gre-tunnels-and-policy-routing/
Running Your Own AS: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing | Larvitz Blog
Feb 8, 2026 - How I obtained my own AS number and IPv6 prefix, set up a FreeBSD BGP router with FRR, and built a tunnel overlay to bring globally routable addresses to ser...