Network Interface Authentication (wpa-suplicant)

/etc/network/interfaces auto eth0

iface eth0 inet dhcp
   wpa-iface eth0
   wpa-driver wired
   wpa-conf /etc/wpa_supplicant.conf

/etc/wpa_supplicant.conf

ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=0
eapol_version=2
ap_scan=0
#fast_reauth=1
network={
   ssid="BBVA"
   key_mgmt=IEEE8021X
   eap=TLS
   identity="host/WF0006D3.ad.bbva.com"
   ca_cert="/NAC/cacert.pem"
   client_cert="/NAC/cert.pem"
   private_key="/NAC/key.pem"
   private_key_passwd="1234567890"

}

If wpa supplicant does not start try to start it manualy

/sbin/wpa_supplicant -s -B -P /run/wpa_supplicant.eth0.pid -i eth0 -D wired -c /etc/wpa_supplicant.conf