Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing

Re:Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels... by mark_round on Sunday February 08, 2026 @11:42AM (#46935948)

If you'd like to experiment with running your own AS in private address space, connecting to a friendly network of geeks over wireguard tunnels, check out DN42 https://dn42.dev/Home.

It's a great way to explore routing technologies and safely experiment with your own AS, running the same protocols as the "real" Internet, just in private space.

If you do get set up, give me a shout (https://markround.com/dn42), I'd be happy to peer with you if you want to expand beyond the big "autopeer" networks :)

[ Parent | on HN ]

Re:Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels... by kjs3 on Sunday February 08, 2026 @08:33PM (#46940541)

This is really an amazing resource. If you don't know BGP and how to grok AS's, you aren't a fully actualized IP networking human.

[ Parent | on HN ]

Re:Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels... by b112 on Monday February 09, 2026 @08:59AM (#46945274)

This phrasing made me envision a future where I have 90% android replacement parts, and I actually need to know.

[ Parent | on HN ]

Re:Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels... by kjs3 on Friday February 13, 2026 @10:25AM (#47003740)

There's a sci-fi story in there about an android manual injecting routes to get around a failed limb.

It's been fun explaining to our cloud engineers that BGP is pretty useful in AWS. Most had never touched it after they got their CCNP/CCIE. My networking cred went up a bit.

[ Parent | on HN ]