Fixing the Raspberrypi 4 Ethernet disconnection problem

I added a Raspberry Pi 4B recently in my ever expanding homelab. To get the best network with the new gigabit ethernet port on the raspi, and still save power, I added a PoE hat to it so I could power the raspi as well as provide it data through the ethernet port. Everything worked fine except that I ocassionaly got into situations where the raspi stopped responding suddenly. Initially I thought that it’s crashing due to some issues and used to just restart it manually. [Read More]