D-Link DIR-506L User Manual page 43

Section 3 - Configuration
If you select WPA-Enterprise as your Security Mode:
WPA Mode: Select whether to use WPA, WPA2, or both WPA and
WPA2 for your wireless network..
Choose whether to use TKIP, AES, or both TKIP and AES
Cipher Type:
ciphers for your wireless network.
RADIUS Server
Enter your RADIUS server IP address.
IP Address:
RADIUS Server Enter your RADIOS server port.
Port:
RADIUS Server Enter your RADIUS server shared secret.
Shared Secret:
D-Link DIR-506L User Manual 39