Manage the WiFi Network Settings
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
The Wireless Setup page displays.
6. In the Security Options section, select the WPA/WPA2 Enterprise radio button.
7. In the Security Options (WPA/WPA2 Enterprise) section, enter the settings as described in
the following table.
WPA Mode From the WPA Mode menu, select the enterprise mode:
• WPA2 [AES]. WPA2 provides a secure connection but some older
WiFi devices do not detect WPA2 and support only WPA. If your
network includes such older devices, select WPA [TKIP] + WPA2 [AES]
• WPA [TKIP] +WPA2 [AES]. This type of security enables WiFi devices
that support either WPA or WPA2 to join the modem router’s WiFi
Group Key Update Interval Enter the interval in seconds after which the RADIUS group key is updated.
The default interval is 3600 seconds.
RADIUS server IP Address Enter the IPv4 address of the RADIUS server to which the WiFi network
RADIUS server Port Enter the number of the port on the modem router that is used to access
the RADIUS server for authentication. The default port number is 1812.
RADIUS server Shared
Enter the shared secret (RADIUS password) that is used between the
modem router and the RADIUS server during authentication of a WiFi user.
8. Click the Apply button.
Your settings are saved.
9. Make sure that you can reconnect over WiFi to the network with its new security settings.
If you cannot connect over WiFi, check the following:
•If your computer or WiFi device is already connected to another WiFi network in your
area, disconnect it from that WiFi network and connect it to the WiFi network that the
modem router provides. Some WiFi devices automatically connect to the first open
network without WiFi security that they discover.
•If your computer or WiFi device is trying to connect to your network with its old
settings (before you changed the settings), update the WiFi network selection in your
computer or WiFi device to match the current settings for your network.