We fix more Wi-Fi issues than almost anything else, but this one stood out because, on paper, there shouldn't have been a problem at all. The homeowner worked in IT sales and had invested properly in the infrastructure — wired access points in central locations on every floor, all good-quality units — yet the Wi-Fi was still letting him down.
After struggling for some time, the homeowner called us in — on the hottest day of the year, which made for an interesting visit given that much of the equipment was tucked away in a very warm loft. The setup looked solid on paper: properly wired access points, sensibly positioned, using decent hardware. So why wasn't it working as it should?
We don't like the "nuclear option" of ripping everything out and starting again — it's almost always faster to find the actual fault, and you learn far more about what caused it and how to avoid it in future. True to form, a bit of diagnosis revealed the root cause: every access point in the house was somehow configured with the same IP address.
We went through each unit one by one, assigning each its own reserved IP address to stop the conflict from happening again.
With each access point now properly addressed, the network behaved exactly as it should — finally delivering the reliable, whole-house Wi-Fi the original investment in good hardware deserved. The customer was delighted to have the issue resolved after it had eaten up hours of his time.
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