A Network Engineering Blog

Straight from the console. Minimal vendor fluff, plenty of opinionated rants.

Now with 100% more YAML.

★ Featured series · Automation & Tools · 2 parts

Git for Network Engineers

Git explained for people who manage configs, not codebases. From your first commit to rebasing like you mean it.

Multi-part teaching series, meant to be read in order. The evergreen stuff. Start here.

The BGP path-manipulation toolkit. Communities, AS-path filtering, and multipath load balancing, the way you actually use them.

Regular expressions from the ground up, then put to work matching and filtering on Cisco IOS.

Just enough Vim to stop fighting the one editor that's always already on the box.

Coverage from Tech Field Day events and the vendor world. Episodic, occasionally important.

Live coverage from Networking Field Day 40. Vendor pitches, AI-era networking, and what actually held up to scrutiny.

Two days at CHI-NOG 13 in Chicago. Hands-on RPKI, Nokia AI fabric labs, IPv6, and the operator talks worth showing up for.

Delegate notes from Networking Field Day 15. Network analytics, NSX, and the vendors worth a second look.

Notes from Networking Field Day 13. Formal verification, network visibility, and tap-the-planet ambitions.