Bits, Bytes, & Radio Waves

A quiet journey through discovery and understanding.

  • Link State Advertisements (LSA) Types

    Routers have to agree on certain parameters (such as timers and being on a common subnet) before they can become neighbors. After its neighbor routers are discovered, the router determines whether it should exchange routes with those neighbors. (If they decide to do so, they become adjacent.) If they are adjacent, they begin to exchange…

  • Defining the Message Severity Level

    You can set the severity level of messages according to the level of detail you need. You can also control the destinations of the messages. Configure The following command will set the logging to the console, this is the default. Switch#configure terminal Switch(config)#logging console Switch(config)#end If you want to send logs to a syslog server,…

  • Terribly Embarrassing Admin Moment

    I am still quite new to WordPress. I was finally able to get time to clean out my basement, cobble together an old PC and get my favorite flavor of Linux installed. Of course, there was an unnecessary struggle there, but I won’t get into details. Low and behold, I am up and running. About…

Notes from practice

I use this site to document systems, configurations, and lessons learned as I work through real problems—both professionally and through personal experimentation. The goal is clarity: understand how something works, explain why it behaves the way it does, and make it reliable and repeatable.

These notes are written primarily for myself, but shared openly in case they help someone else avoid a dead end or reduce frustration. If you’d like to learn more, visit the About page.

If you have questions or comments, you’re always welcome to contact me.

Aaron Rombaut

Technologist & Writer