Openhabian Wifi AND LAN

I installed a new OH3 with openhabian (newest build) from scratch for testing purposes and I’d like to have both: eth0 and wlan0 active.
But it seems, i only can have either wifi or ethernet?

What I did:

  1. type in the wifi settings in /etc/openhab.conf
  2. sudo reboot
    => there’s still no wifi connection
  3. sudo openhabian-config
  4. type in the wifi settings in 36 “WiFi setup”
  5. tried sudo ifup wlan0
wpa_supplicant: /sbin/wpa_supplicant daemon failed to start
run-parts: /etc/network/if-pre-up.d/wpasupplicant exited with return code 1
ifup: failed to bring up wlan0
  1. sudo reboot
  2. got Wifi - lost Ethernet: ifconfig only lists wlan0

is it on purpose to have only one connection active? the dialogue after "disable WiFi" directly under 36 suggests so?
or did I miss something?

Yes. Many things in openHAB(ian) get a lot more complicated with more than one active interface.
Perform routing where it belongs, on the router that is.

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