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Description
Field
We recommend that you do
not
change your preset security settings (WPA2-PSK [AES]).
Note
If you must change the WiFi security, select one of the following WiFi security options for the modem router’s WiFi network:
•
None
. An open WiFi network that does not provide any security. Any WiFi device can join the network.We recommend
that you do
not
use an open WiFi network.
•
WEP
.Wired Equivalent Privacy (WEP) security is a legacy authentication and data encryption mode that is superseded
by WPA-PSK and WPA2-PSK. The WEP option displays only if you select
Up to 54 Mbps
from the
Mode
menu. For
information about configuring WEP, see
Configure WEP Legacy WiFi Security
on page 106.
•
WPA2-PSK [AES]
. This option is the default setting. This type of security enables WiFi devices that support WPA2 to
join the modem router’s 2.4 GHz WiFi network. If you did not change the passphrase, the default passphrase displays.
The default passphrase is printed on the product label (see
Bottom Panel Product Label
on page 17). 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-PSK [TKIP] + WPA2-PSK [AES] security.
We recommend that you do not change the default passphrase. If you must change the passphrase, in the
Passphrase
field, enter a phrase of 8 to 63 characters.To join the modem router’s WiFi network, a user must enter this passphrase.
•
WPA-PSK [TKIP] + WPA2-PSK [AES]
. This type of security enables WiFi devices that support either WPA or WPA2
to join the modem router’s 2.4 GHz WiFi network. However, WPA-PSK [TKIP] is less secure than WPA2-PSK [AES]
and limits the speed of WiFi devices to 54 Mbps.
To use this type of security, in the
Passphrase
field, enter a phrase of 8 to 63 characters. To join the modem router’s
WiFi network, a user must enter this passphrase.
•
WPA/WPA2 Enterprise
. This type of security requires that your WiFi network can access a RADIUS server. For
information about configuring WPA/WPA2 Enterprise, see
Configure WPA/WPA2 Enterprise WiFi Security
on page
104.
Wireless Network (5GHz 802.11a/n/ac)
By default, the modem router broadcasts its SSID so that WiFi stations can detect the WiFi name
(SSID) in their scanned network lists. To turn off the SSID broadcast, clear the
Enable SSID
Broadcast
check box.Turning off the SSID broadcast provides additional WiFi security, but users
must know the SSID to be able to join the WiFi network of the modem router.
Enable SSID Broadcast
If you want to stream high-definition video, select this check box. When this option is selected, the
modem router uses video reliability algorithms to reduce jitter and packet loss during video
presentations. If you do not stream videos, leave this check box cleared.
Enable Video Network
Manage the Basic WiFi Network Settings
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Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800
Page 102 / 299
Description
Field
The SSID is the WiFi network name. If you did not change the SSID, the default SSID displays.
The default SSID is also printed on the product label (see
Bottom Panel Product Label
on page
17).
We recommend that you do not change the default SSID. If you must change
the SSID, enter a 32-character (maximum), case-sensitive name in this field.
Note
Name (SSID)
From the
Channel
menu, select an individual channel. The default channel depends on your
selection from the
Region
menu.
In some regions, not all channels are available. Do not change the channel
unless you experience interference (shown by lost connections or slow data
transfers). If this situation occurs, experiment with different channels to see
which is the best.
Note
If you use multiple WiFi access points (APs), reduce interference by selecting
different channels for adjacent APs. We recommend a channel spacing of four
channels between adjacent APs.
Note
Channel
From the
Mode
menu, select one of the following modes:
•
Up to 347 Mbps
. Legacy mode. This mode allows 802.11ac, 802.11n, and 802.11a devices
to join the network but limits 802.11ac and 802.11n devices to functioning at up to 347 Mbps.
•
Up to 800 Mbps
. Neighbor-friendly mode for reduced interference with neighboring WiFi
networks. This mode allows 802.11ac, 802.11n, and 802.11a devices to join the network but
limits 802.11ac devices to functioning at up to 800 Mbps.
•
Up to 1733 Mbps
. Performance mode. This mode allows 802.11ac, 802.11n, and 802.11a
devices to join the network and allows 802.11ac devices to function at up to 1733 Mbps.This
mode is the default mode.
Mode
Manage the Basic WiFi Network Settings
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Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800
Page 103 / 299
Description
Field
Security Options
This information applies to the 5 GHz WiFi network.
We recommend that you do
not
change your preset security settings (WPA2-PSK [AES]).
Note
If you must change the WiFi security, select one of the following WiFi security options for the modem router’s WiFi network:
•
None
. An open WiFi network that does not provide any security. Any WiFi device can join the network.We recommend
that you do
not
use an open WiFi network.
•
WPA2-PSK [AES]
. This option is the default setting. This type of security enables WiFi devices that support WPA2 to
join the modem router’s 5 GHz WiFi network. If you did not change the passphrase, the default passphrase displays.
The default passphrase is printed on the product label (see
Bottom Panel Product Label
on page 17). 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-PSK [TKIP] + WPA2-PSK [AES] security.
We recommend that you do not change the default passphrase. If you must change the passphrase, in the
Passphrase
field, enter a phrase of 8 to 63 characters.To join the modem router’s WiFi network, a user must enter this passphrase.
•
WPA-PSK [TKIP] + WPA2-PSK [AES]
. This type of security enables WiFi devices that support either WPA or WPA2
to join the modem router’s 5 GHz WiFi network. However, WPA-PSK [TKIP] is less secure than WPA2-PSK [AES] and
limits the speed of WiFi devices to 54 Mbps.
To use this type of security, in the
Passphrase
field, enter a phrase of 8 to 63 characters. To join the modem router’s
WiFi network, a user must enter this passphrase.
•
WPA/WPA2 Enterprise
. This type of security requires that your WiFi network can access a RADIUS server. For
information about configuring WPA/WPA2 Enterprise, see
Configure WPA/WPA2 Enterprise WiFi Security
on page
104.
6.
Click the
Apply
button.
Your settings are saved.
If you connected over WiFi to the network and you changed the SSID, you are disconnected from the network.
7.
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
234.) If it does, it is connected to the network.
Manage the Basic WiFi Network Settings
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•
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.
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.
Tip
To configure WPA/WPA2 enterprise security:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
3.
Enter the modem router user name and password.
The user name is
admin
.The default password is
password
.The user name and password are case-sensitive.
The BASIC Home page displays.
4.
Select
Wireless
.
The Wireless Settings page displays.
If you are configuring a guest network, select
Guest Network
instead. The Guest Network
Settings page displays.
Note
Manage the Basic WiFi Network Settings
104
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800
Page 105 / 299
5.
In the Security Options section below either the Wireless Network (2.4GHz b/g/n) section or the Wireless Network
(5GHz 802.11a/n/ac) section, select the
WPA/WPA2 Enterprise
radio button.
6.
In the Security Options (WPA/WPA2 Enterprise) section, enter the settings as described in the following table.
Description
Field
From the
WPA Mode
menu, select the enterprise mode:
•
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.
•
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. If your network includes
older devices only, select WPA [TKIP] security.
•
WPA [TKIP]
.WPA provides a secure connection. If your network includes older
devices only, select this type of security.
WPA Mode
Enter the interval in seconds after which the RADIUS group key is updated. The
default interval is 3600 seconds.
Group Key Update Interval
Enter the IPv4 address of the RADIUS server to which the WiFi network can connect.
RADIUS server IP Address
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 Port
Enter the shared secret (RADIUS password) that is used between the modem router
and the RADIUS server during authentication of a WiFi user.
RADIUS server Shared Secret
7.
Click the
Apply
button.
Your settings are saved.
8.
Make sure that you can reconnect over WiFi to the network with its new security settings.
Manage the Basic WiFi Network Settings
105
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800

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