New here? Start with these.

IGNA Online covers two things: Cisco networking from my day job, and the self-hosted homelab I run at home. These are the guides worth reading first.

Networking & Cisco

Practical IOS-XE configuration and troubleshooting, the way it actually gets done on production gear.

Cisco IOS vs IOS-XE vs IOS-XR

Which platform runs which OS, and why it matters.

Catalyst 9000 IOS-XE Upgrades

Install mode, ISSU, and the gotchas that bite during upgrades.

Cisco EEM Scripts

Automate IOS-XE with Embedded Event Manager applets.

SNMPv3 with LibreNMS

Secure device monitoring from config to dashboards.

IPv6 on IOS-XE

Dual-stack addressing, routing, and security.

OSPF Troubleshooting

Adjacency failures, flapping neighbors, and how to fix them.

STP and RSTP

Loops, PortFast, BPDU Guard, and root bridge control.

Management Plane Hardening

SSH, VTY lockdown, privilege levels, and a checklist.

Homelab & Self-Hosting

What runs on OneHub, my home server: a Jetson Orin Nano with 23 Docker containers.

The OneHub Tour

Everything running on my home server, and why.

Home Assistant on a Jetson Orin Nano

The Docker setup behind my smart home.

A Self-Managing Homelab with Claude

Scheduled AI routines that watch and fix the lab.

Cloudflare Tunnels

Publish homelab services without opening a port.

Self-Hosting Vaultwarden

Your own Bitwarden-compatible password server.

Getting Started with Docker

The foundation for everything else here.

PC Hardware

The occasional build and buying advice.

Mid-Range Gaming PC Build

Parts, reasoning, and assembly for a 1440p build.

SSD vs NVMe vs HDD

What storage you actually need.

Coming soon: the Jeep TJ build log.