/interface/wifi/configuration/add name=cfg_prxn-guest country=Germany mode=ap ssid="SSID-Guest" security.encryption=ccmp,gcmp security.passphrase="GanzGeheimesPasswort" security.group-key-update="00:05:00" security.group-encryption=ccmp

/interface/wifi/add name=wifi1_prxn-guest configuration=cfg_prxn-guest master-interface=wifi1