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Sporadic network connection trouble. Laptop is connected to USB-C docking station, that has a wired connection to a WiFi bridge.

Check network settings on laptop, check router, check WAN. Reboot all involved. Functionality is restored only to conk out a couple days later. This, I'm ashamed to say, went on for weeks, only for tiny periods of time and magically restored itself when I got annoyed enough to find the cause.

MFW it's been a dodgy Ethernet cable all along.

Sporadic network connection trouble. Laptop is connected to USB-C docking station, that has a wired connection to a WiFi bridge. Check network settings on laptop, check router, check WAN. Reboot all involved. Functionality is restored only to conk out a couple days later. This, I'm ashamed to say, went on for weeks, only for tiny periods of time and magically restored itself when I got annoyed enough to find the cause. MFW it's been a dodgy Ethernet cable all along.
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[–] • 1 pt

So easy when you look for the simplest explanation first.

Yep, that's usually the way to go. Sucks when it is more than that though. My previous job had me investigating not obvious problems. I tend to check every angle now.