MPLS troubleshooting AI agent powered by Codex
Codex diagnoses MPLS lab via filtered MCP commands
Networking
Temporary DHCP server
How to quickly spin up a short-lived DHCP server in a container
Running Cisco IOS XRd in Containerlab
A short note on getting Cisco IOS XRd running in Containerlab and the one detail I missed the first time.
Playing with Linux interfaces
Cheatsheet for the most common network configurations on my 4 favourite distros: Alpine, Ubuntu, Debian, Rocky
Full-blown IPSec on Linux with LibreSwan, VTI, RSA, and BGP
LAB notes
AD password reset on Mac
How to quickly change expired MS AD password without a Windows machine
From FMCv10 to FMC2700
Notes from migration of Cisco FMC management
Simplest CA ever
How to quickly get a few certificates for lab use
NAT for Alien
How to handle Alien device in your network with NAT trick