@LukePL If you think the device would stay up long enough to do a firmware load, you could try that as a last ditch effort. You may want to experiment a little and see if it stays up longer after...

@Colinu Policy Route is also a great option. Just force the controlled subnet or IP range via the WAN interface.

@bigal_12ms You can adopt 1 device at a time. So you can 'test' your overall config on less critical parts of your infrastructure first and work your way up to the main distribution switch....

You are correct, I don't think the 1G of RAM in the 3B will cut it with the latest controllers. You will also need a CPU heatsink to get past the initial install/setup. The initial setup of the...

@bigal_12ms It's not that crazy, but you will have to manually replicate in the Pfsense what the controller would have configured in a managed TPlink router. In your case it's the other way around,...

@LukePL Agree. You have done all the right things except maybe try a known good cable? If a second power supply and a new cable doesn't stabilize things, then I agree you have internal issues. Are...