pi3

Somehow I can publish MQTT messages from my Raspberry Pi to my own MQTT broker (on the same Raspberry Pi), but not from my router. I'm not sure what's wrong. Who can help? Setup: Mosquitto MQTT server with valid Let's Encrypt certificates on Raspberry Pi on port 8883 Personal domain name...

hi, just trying to set up the pi3 using the LAN port and i wonder that the raspberry will be not recognize by the router. I tried a lot: using my laptop on the same port is working, connecting the PI via LAN on other router is working. The seems to not receive an IP address from the router. As...