MTU Ninja

Vincent Bernat

I build and break networks for a living. Currently at Free 🚀, a French ISP and mobile provider, I previously worked at Shadow 🎮, Exoscale ☁️, Deezer 🎧, Dailymotion 📺, Orange 📱, and Wallix 🛡️. I like cats 🐈.

My blog covers networking, Linux, and programming. The latest articles are “An interactive tour of the spanning tree protocol,” “A non-interactive tour of the spanning tree protocol,” and “Building a Soviet Nail Factory: how KPIs killed efficiency.” The most popular ones are “VXLAN: BGP EVPN with FRR,” and “Coping with the TCP TIME-WAIT state on busy Linux servers.”

My favorites are “Fast and dynamic encoding of Protocol Buffers in Go,” “Jerikan+Ansible: a configuration management system for network,” “Multi-tier load-balancing with Linux,” “OPL2LPT: an AdLib sound card for the parallel port,” and “Live patching QEMU for VENOM mitigation.”

Swimming ducks

This site uses no cookies and scrambles IP addresses before logging them. See “A more privacy-friendly blog” for details. My policy on writing with AI is in “Blogging with LLMs as a non-native speaker.”