D-Link DIR-635 - Manual (Page 66)

66 D-Link DIR-635 User Manual
Section - Security
8. Next to RADIUS Server Shared Secret, enter the security
key.
9. If the MAC Address Authentication box is selected then the
user will need to connect from the same computer whenever
logging into the wireless network.
10. Click Advanced to enter settings for a secondary RADIUS
Server.
11. Click Apply Settings to save your settings.