wpa_supplicant
-c wpa1.conf -i wlan0 -D hostap -N
-c wpa2.conf -i ath0 -D madwifiwpa_supplicant can control multiple interfaces (radios) either by running one process for each interface separately or by running just one process and list of options at command line. Each interface is separated with -N argument. As an example, following command would start wpa_supplicant for two interfaces: