PEAP-MSCHAPV2

$ sudo nano /etc/wpa_supplicant/wpa_supplicant.conf
country=CH
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1

network={
        ssid="<SSID>"
        priority=1
        proto=RSN
        key_mgmt=WPA-EAP
        pairwise=CCMP
        auth_alg=OPEN
        eap=PEAP
        identity="<USERNAME>"
        password="<PASSWORD>"
        phase1="peaplabel=0"
        phase2="auth=MSCHAPV2"
}

$ sudo wpa_cli -i wlan0 reconfigure
OK