BSD Cafe Billboard

BIND IPv6 tip: you can enable DNS64 without matching any clients to make it synthesize the 64:ff9b::/96 reverse zone: dns64 64:ff9b::/96 { recursive-only yes; clients { none; }; };useful if you have a system that doesn't use DNS64 but you sometimes traceroute to NAT64 addresses for testing:% traceroute6 -I 64:ff9b::96.47.72.84traceroute6 to 64:ff9b::96.47.72.84 (64:ff9b::602f:4854) from fd13:480d:2ffa:5::e, 64 hops max, 20 byte packets 1 te7.eden-core-1.le-fay.org (fd13:480d:2ffa:5::d) 0.242 ms 0.146 ms 0.137 ms 2 * * * 3 lns1-th.as20712.net (64:ff9b::c096:5c29) 5.642 ms 5.106 ms 4.582 ms 4 lumen-th.as20712.net (64:ff9b::c096:5c11) 4.934 ms 5.749 ms 5.485 ms 5 7-1-4.ear5.London2.Level3.net (64:ff9b::d9a3:66e1) 5.898 ms 5.828 ms 6.179 ms 6 ae9.3506.ear1.Newark1.net.lumen.tech (64:ff9b::445:d61a) 75.731 ms 75.440 ms 75.475 ms 7 THE-NEW-YOR.ear1.Newark1.Level3.net (64:ff9b::40f:96da) 103.676 ms 75.605 ms 75.664 ms 8 cs90.cs89new.v.ewr.nyinternet.net (64:ff9b::602f:4dd2) 76.343 ms 75.901 ms 76.455 ms 9 96.47.66.42.static.nyinternet.net (64:ff9b::602f:422a) 76.272 ms 75.698 ms 76.229 ms10 wfe0.nyi.freebsd.org (64:ff9b::602f:4854) 76.134 ms 76.115 ms 76.085 ms#ipv6

Florian Obser (florian@) recently gave a BSD-NL talk entitled "Let's find out how to get predictable IPv6 addresses assigned to OpenBSD VMs". Florian takes us on a guided tour of how inet6 autoconf actually works, with enlightening and entertaining peeks into selected piece of OpenBSD source. At the end, we are asked to "now, draw the rest of the owl". https://undeadly.org/cgi?action=article;sid=20260512115225 slides: https://www.openbsd.org/events.html#bsdnl2026 video: https://exquisite.tube/w/38gDYhMNTNZimk3GcFnHNa

Part1: Running Your Own AS: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing: https://blog.hofstede.it/running-your-own-as-bgp-on-freebsd-with-frr-gre-tunnels-and-policy-routing/ Part2: Running Your Own AS: Going Multi-Homed with iBGP and three Transits: https://blog.hofstede.it/running-your-own-as-going-multi-homed-with-ibgp-and-three-transits/ Part3: Running Your Own AS: Joining an IXP with a Third Edge Router: https://blog.hofstede.it/running-your-own-as-joining-an-ixp-with-a-third-edge-router/ Part4: Running Your Own AS: Direct Hetzner Peering, a Fourth Edge, and Bringing the Home LAN into the Fabric: https://blog.hofstede.it/running-your-own-as-direct-hetzner-peering-a-fourth-edge-and-bringing-the-home-lan-into-the-fabric/