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Showing posts from January, 2026

A Cautionary Tale of AI and VLANs

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  This turned out to be a cautionary tale. At the beginning I was hoping to find an AI success story that demonstrated the power of how it lets you wade into the deep end of a domain and find success. It turned into a grueling week of troubleshooting rabbit holes that the AI insisted I get to the bottom of. It's a powerful thing, but it takes a mindset that I'm still trying to figure out. I have what you might call a home lab and was thinking about adding some smart home devices. After a bit of yak shaving it became clear that I needed to setup a VLAN in order to partition the traffic. While I was at it I'd setup networks for IP cameras and my work computer. Last year I switched over to a proper firewall running OPNsense, so I figured all this would be a nice exercise to get practical experience with things I was generally already familiar with. Shortly after firing up ChatGPT I had a high level plan and a better understanding of how to design a network. With a couple manag...