Open system authentication simply consists of two communications. The first is an
authentication request by the client that contains the station ID (typically the MAC
address). This is followed by an authentication response from the AP/router containing a
success or failure message. An example of when a failure may occur is if the client's MAC
address is explicitly excluded in the AP/router configuration.
Shared
Shared key authentication relies on the fact that both stations taking part in the
authentication process have the same "shared" key or passphrase. The shared key is
manually set on both the client station and the AP/router. Three types of shared key
authentication are available today for home or small office WLAN environments.
Auto
The AP will Select the Open or Shared by the client’s request automatically.
WPA-PSK
Select Encryption and Pre-share Key Mode
If you select HEX, you have to fill in 64 hexadecimal (0, 1, 2…8, 9, A, B…F) digits.
If you select ASCII, the length of pre-share key is from 8 to 63.
Fill in the key, Ex 12345678
WPA
Check Box was used to switch the function of the WPA. When the WPA function is
enabled, the Wireless user must authenticate to this router first to use the Network
service. RADIUS Server IP address or the 802.1X server’s domain-name.
Select Encryption and RADIUS Shared Key
If you select HEX, you have to fill in 64 hexadecimal (0, 1, 2…8, 9, A, B…F) digits
If you select ASCII, the length of pre-share key is from 8 to 63.
Key value shared by the RADIUS server and this router. This key value is consistent with
the key value in the RADIUS server.
WPA-PSK2
WPA-PSK2 user AES and TKIP for Same the encryption, the others are same the
WPA-PSK.
WPA2
WPA2 add uses AES and TKIP for encryption, the others are same the WPA.