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Page 96 / 292 Scroll up to view Page 91 - 95
Manage the WiFi Network Settings
96
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
If you connected over WiFi to the network and you changed the SSID, you are
disconnected from the network.
8.
Make sure that you can reconnect over WiFi to the network with its new 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.
•
Does your WiFi device display as an attached device? (See
View Devices Currently
on the Network
on page
240.) If it does, it is connected to the network.
•
Are you using the correct network name (SSID) and password?
Configure WPA/WPA2 Enterprise WiFi Security
Remote Authentication Dial In User Service (RADIUS) is an enterprise-level method for
centralized Authentication, Authorization, and Accounting (AAA) management. To provide
WPA/WPA2 enterprise WiFi security, the WiFi network that the modem router provides must
be able to access a RADIUS server.
Note:
WPS and WPA/WPA2 enterprise security cannot function together.
When you enable WPA/WPA2 enterprise security, WPS is disabled.
Tip:
If you want to change the WiFi settings of the modem router’s main
network, use a wired connection to avoid being disconnected when
the new WiFi settings take effect.
To configure WPA/WPA2 enterprise security:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
Page 97 / 292
Manage the WiFi Network Settings
97
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
5.
Select
Wireless
.
The Wireless Setup screen 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.
Field
Description
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]
security.
•
WPA [TKIP] +WPA2 [AES]
. This type of security enables WiFi devices
that support either WPA or WPA2 to join the modem router’s WiFi
network.
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
can connect.
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
Secret
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.
Page 98 / 292
Manage the WiFi Network Settings
98
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
•
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.
•
Does your WiFi device display as an attached device? (See
View Devices Currently
on the Network
on page
240.) If it does, it is connected to the network.
•
Are you using the correct network name (SSID) and password?
Configure WEP Legacy WiFi Security
Wired Equivalent Privacy (WEP) security is a legacy authentication and data encryption
mode that is superseded by WPA-PSK and WPA2-PSK. WEP limits the WiFi transmission
speed to 54 Mbps (the modem router is capable of speeds of up 300
Mbps).
Note:
WPS and WEP security cannot function together. When you enable
WEP security, WPS is disabled.
Tip:
If you want to change the WiFi settings of the modem router’s main
network, use a wired connection to avoid being disconnected when
the new WiFi settings take effect.
To configure WEP security:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
Wireless
.
The Wireless Setup screen displays.
6.
From the
Mode
menu, select
Up to 54 Mbps
.
The screen adjusts to display the
WEP
radio button.
7.
In the Security Options section, select the
WEP
radio button.
Page 99 / 292
Manage the WiFi Network Settings
99
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
8.
From the
Authentication Type
menu, select one of the following types:
•
Automatic
. Clients can use either Open System or Shared Key authentication.
•
Shared Key
. Clients can use only Shared Key authentication.
9.
From the
Encryption Strength
menu, select the encryption key size:
•
64-bit
. Standard WEP encryption, using 40/64-bit encryption.
•
128-bit
. Standard WEP encryption, using 104/128-bit encryption. This selection
provides higher encryption security.
10.
Specify the active key by selecting the
Key 1
,
Key 2
,
Key 3
, or
Key 4
radio button.
Only one key can be the active key.
11.
Enter the value for the key:
•
For 64-bit WEP, enter 10 hexadecimal digits (any combination of 0–9, A–F). The key
values are not case-sensitive.
•
For 128-bit WEP, enter 26 hexadecimal digits (any combination of 0–9, A–F). The key
values are not case-sensitive.
To join the modem router’s WiFi network, a user must enter the key value for the key that
you specified as the active key.
12.
Click the
Apply
button.
Your settings are saved.
13.
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
Page 100 / 292
Manage the WiFi Network Settings
100
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
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.
•
Does your WiFi device display as an attached device? (See
View Devices Currently
on the Network
on page
240.) If it does, it is connected to the network.
•
Are you using the correct network name (SSID) and password?
Use WPS to Add a Device to the WiFi Network
WPS (Wi-Fi Protected Setup) lets you connect a computer or WiFi device to the modem
router’s network without entering the WiFi network passphrase or key. Instead, you use a
WPS
button or enter a PIN to connect.
If you use the push button method, the WiFi device that you are trying to connect must
provide either a physical button or a software button. If you use the PIN method, you must
know the PIN of the WiFi device that you are trying to connect.
WPS supports WPA and WPA2 WiFi security. If your modem router network is open (no WiFi
security is set, which is not the default setting for the modem router), connecting with WPS
automatically sets WPA + WPA2 WiFi security on the modem router network and generates a
random passphrase. You can view this passphrase (see
Manage the Basic WiFi Settings and
WiFi Security of the Main Network
on page
91).
Note:
WPS and WPA/WPA2 enterprise security or WEP security cannot
function together. When you enable WPA/WPA2 enterprise security or
WEP security, WPS is disabled.
Use WPS with the Push Button Method
For you to use the push button method to connect a WiFi device to the modem router’s WiFi
network, the WiFi device that you are trying to connect must provide either a physical button
or a software button. You can use the physical button and software button to let a WiFi device
join only the main WiFi network, not the guest WiFi network.
To let a WiFi device join the modem router’s main WiFi network using WPS with the
push button method:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.

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