Series
Learning Series
Multi-part teaching series, meant to be read in order.
Git for Network Engineers
2026Git explained for people who manage configs, not codebases. From your first commit to rebasing like you mean it.
BGP Essentials
2009–2015The BGP path-manipulation toolkit. Communities, AS-path filtering, and multipath load balancing, the way you actually use them.
Regular Expressions
2009–2010Regular expressions from the ground up, then put to work matching and filtering on Cisco IOS.
Vim for Network Engineers Circa 2012
2012Just enough Vim to stop fighting the one editor that's always already on the box.
Industry Events
Coverage from Tech Field Day events and the vendor world.
Networking Field Day 40
2026Live coverage from Networking Field Day 40. Vendor pitches, AI-era networking, and what actually held up to scrutiny.
CHI-NOG 13
2026Two days at CHI-NOG 13 in Chicago. Hands-on RPKI, Nokia AI fabric labs, IPv6, and the operator talks worth showing up for.
Networking Field Day 15
2017Delegate notes from Networking Field Day 15. Network analytics, NSX, and the vendors worth a second look.
Networking Field Day 13
2016–2017Notes from Networking Field Day 13. Formal verification, network visibility, and tap-the-planet ambitions.
Networking Field Day 2
2011Delegate coverage from Networking Field Day 2. Vendor presentations and takeaways from an earlier Tech Field Day.
Archive
Older series, kept for the record. The writing still works; most of the hardware doesn't.
Hackintosh Build
2010–2013The Early Nexus Years
2011–2012Nexus 7000s, the 1000V, MDS Fibre Channel, and the FEX love/hate era. Seven posts from when unified fabric was the future, 2011-2012.
Cisco IOS Tips
2009–2011Eleven quick wins from the IOS command line. Aliases, ACL tricks, EEM, packet capture, and the habits that make the CLI feel like home.