- Sun 08 February 2026
- Networking
Running Your Own AS: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing
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 servers that already have provider-assigned IPv6 - using dual-FIB policy routing to make both coexist.