D-Link DIR-632 User Manual page 87

Section 4 - Security
8. Next to RADIUS Server Port, enter the port you are using with your RADIUS
server. 1812 is the default port.
9. Next to RADIUS Server Shared Secret, enter the security key.
10. 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.
11. Click Advanced to enter settings for a secondary RADIUS Server.
12. Click Apply.Settings to save your settings.
D-Link DIR-632 User Manual 82