Method

Selects the encryption method or, for WEP, the key length which the device uses for the encryption of P2P data packets.

Important: Please note that not every client (or their hardware) supports every encryption method.
SNMP ID:
2.23.20.20.4 
Telnet path:
Setup > Interfaces > WLAN > Interpoint-Encryption
Possible values:
802.11i-WPA-PSK
WEP-128-bit
WEP-104-bit
WEP 40-bit
Default:
802.11i-WPA-PSK