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Page 41 / 198 Scroll up to view Page 36 - 40
Manage the Basic WiFi Network Settings
41
AC1600 WiFi Cable Modem Router
8.
Set up and test your WiFi devices and computers to make sure that they can connect over
WiFi.
If they do not, check the following:
•
Is your WiFi device connected to your network or another WiFi network in your area?
Some WiFi devices automatically connect to the first open network (without WiFi
security) that they discover.
•
Does your WiFi device display as a connected device in the web management
interface? (See
View Devices Currently on the Network
on page
104.) If it does, it is
connected to the network.
•
Do you use the correct network name (SSID) and password? The default SSID and
default password are on the product label.
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 window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
Wireless
.
The Wireless Setup page displays.
6.
In the Security Options section, select the
WPA/WPA2 Enterprise
radio button.
Page 42 / 198
Manage the Basic WiFi Network Settings
42
AC1600 WiFi Cable Modem Router
7.
In the Security Options (WPA/WPA2 Enterprise) section, enter the settings as described in
the following table.
Field
Description
Encryption Mode
From the
Encryption 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.
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.
•
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.
Page 43 / 198
Manage the Basic WiFi Network Settings
43
AC1600 WiFi Cable Modem Router
•
Does your WiFi device display as an attached device? (See
View Devices Currently
on the Network
on page
104.) If it does, it is connected to the network.
•
Are you using the correct network name (SSID) and password?
Configure WEP Legacy WiFi Security for the Main WiFi
Network
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 for the main WiFi network:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
BASIC > Wireless
.
The Wireless Setup page displays.
6.
From the
Mode
menu, select
Up to 54 Mbps
.
The WEP and WPA-PSK [TKIP] security options become visible.
7.
In the Security Options section, select the
WEP
radio button.
Page 44 / 198
These options display only if you
select the
Up to 54 Mbps
mode.
Manage the Basic WiFi Network Settings
44
AC1600 WiFi Cable Modem Router
8.
From the
Authentication Type
menu in the Security Encryption (WEP) section, select one
of the following types:
•
Shared Key
. Clients can use only Shared Key authentication.
•
Automatic
. Clients can use either Open System or Shared Key authentication.
9.
From the
Encryption Strength
menu in the Security Encryption (WEP) section, 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 stronger encryption security.
10.
In the Security Encryption (WEP) Key section, generate the key automatically:
a.
In the
Passphrase
field, enter a passphrase.
b.
Click the
Generate
button.
For 64-bit WEP, four different WEP keys are generated and the four key fields are
populated with different WEP keys. For 128-bit WEP, only one WEP key is generated
and the four key fields are populated with the same WEP key.
c.
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.
To join the main WiFi network, a user must enter the key value for the key that you
specified as the active key.
11.
Click the
Apply
button.
Your settings are saved.
Page 45 / 198
Manage the Basic WiFi Network Settings
45
AC1600 WiFi Cable Modem Router
Use the WPS Wizard 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
36).
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 window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > WPS Wizard
.

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