Blog Posts in August 2026

Tuesday, August 11, 2026 07:11 +0200

On ACLs and AI-Generated Device Configurations

Last Friday, I had a lovely chat with Steinn Bjarnarson and Urs Baumann, resulting in the NetworkAutoMagic episode 11. We couldn’t avoid mentioning netlab, the seven layers of ACL hell (which is still balmy compared to the QoS hell), and the gotchas of AI-generated device configurations.

Fortunately, I don’t have to go into more details; Steinn published extensive notes, and if you don’t feel like listening to us while driving, you can waste time watching us on YouTube.

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netlab

Monday, August 10, 2026 11:58 +0200

netlab 26.08: ArcOS, VPP (FD.io), ACLs, and DNS

netlab release 26.08 brings a few humongous additions:

ArcOS support by @roc-ops
VPP (FD.io) with FRR or BIRD control plane by @jbemmel
SONiC containers (also by @roc-ops)
IPv4/IPv6 access control lists in the routing module by @DanPartelly

But wait, there’s more: