sorry i post to this i wasnt sure how to make a new topic.
I use also this example.
i want to use it for mqtt.
i have the problem that the controller only connectsif it is connenct to usb power. And i pysical remove and connect the lan cable.
Any clue why?
For MQTT look here too: https://github.com/OLIMEX/ESP32-POE/issues/6