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A Network Engineering Blog

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

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since 2008 · 159 posts · 14 series
★ Featured series

CHI-NOG 13

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

start with Part 1 →
category
Networking
parts
2
latest
ARIN at CHI-NOG 13: The State of Routing Security
2026.06.09

Learn

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

Automation & Tools 1 part

Git for Network Engineers

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

start reading → 2026.05.28
Networking 5 parts

BGP Essentials

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

start reading → 2015.02.10
Automation & Tools 2 parts

Regular Expressions

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

start reading → 2010.05.16
Automation & Tools 2 parts

Vim for Network Engineers

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

start reading → 2012.08.21

Industry

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

Networking 10 parts

Networking Field Day 40

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

start reading → 2026.06.02
Networking 4 parts

Networking Field Day 15

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

start reading → 2017.08.01
Networking 3 parts

Networking Field Day 13

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

start reading → 2017.02.15
Networking 8 parts

Networking Field Day 2

Delegate coverage from Networking Field Day 2. Vendor presentations and takeaways from an earlier Tech Field Day.

start reading → 2011.11.16

Latest Posts

  • ARIN at CHI-NOG 13: The State of Routing Security Jun 9, 2026
  • Upscale AI at NFD40: The Pitch Before the Product Jun 2, 2026
  • Git for Network Engineers, Part 1: From Zero to Your First Pull Request May 28, 2026
  • Selector at NFD40: Show Your Work May 26, 2026
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© 2008-2026 Tony Mattke