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18
Field
Description
Mask
varies depending on the network type. It is usually
255.255.255.0
Default
Gateway
Enter the IP address of the gateway provided by the
ISP. It is the IP address used for connecting to the ISP.
Preferred DNS
Server
Enter the IP address of the primary DNS server if
necessary
Alternate DNS
Server
If the ISP provides another DNS server, enter the IP
address of that DNS server.
After setting, click
Apply
to make the settings take effect.
3.2.3
Wireless
This section describes the wireless LAN and basic configuration. A wireless LAN
can be as simple as two computers with wireless LAN cards communicating in a
pear-to-pear network or as complex as a number of computers with wireless LAN
cards communicating through access points which bridge network traffic to wired
LAN.
Choose
Setup
>
Wireless
. The
Wireless
page shown in the following figure
appears.
3.2.3.1
Wireless Basics
In the
Wireless
page, click
Wireless Basic
.
The page shown in the following
figure appears.
In this page, you can configure the parameters of wireless LAN
clients that may connect to the device.
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The following table describes the parameters in this page.
Field
Description
Enable
Wireless
Select this to turn Wi-Fi on.
Enable MultiAP
Isolation
Select this to turn MultiAP isolation on.
Wireless
Network Name
(SSID)
The Wireless Network Name is a unique name that
identifies a network. All devices on a network must
share the same wireless network name in order to
communicate on the network. If you decide to change
the wireless network name from the default setting,
enter your new wireless network name in this field.
Visibility Status
Select
Visible
, the SSID can be detected. Select
Invisible
, the SSID cannot be detected.
Country
Select the country you located from the drop-down list.
Control
Sideband
Choose the channel selection mode as
Upper
or
Lower
.
Wireless
Channel
Select the wireless channel from the pull-down menu.
It is different for different country.
802.11 Mode
Select the appropriate 802.11 mode based on the
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Field
Description
wireless clients in your network. It is recommended to
keep it as default.
Band Width
Select the appropriate band of
20M
,
40M
or
20M/40M
according to your subscribed broadband service.
There is a
2-Dimension Code
on the right of the page. This code can help your
cellphone connect to the wireless network of DSL-
2750E
automatically by
shooting the 2-Dimension code with the cellphone.
Note:
A cellphone can not connect to the wireless network unless a
2-Dimension code software is installed on your cellphone.
Click
Apply
to save the settings.
3.2.3.2
Wireless Security
In the
Wireless
page, click
Wireless Security
. The page shown in the following
figure appears. Wireless security is vital to your network to protect the wireless
communication among wireless stations, access points and wired network.
If the Security Mode is set to be
WEP
, the following page appears.
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The following table describes the parameters of this page.
Field
Description
Security Mode
Configure the wireless encryption mode. You can
choose
None
,
WEP
,
Auto (WPA or WPA2)
,
WPA
2 Only
or
WPA Only
.
Wired equivalent privacy (WEP) encrypts
data frames before transmitting over the wireless
network.
Wi-Fi protected access (WPA) is a subset of
the IEEE802.11i security specification draft.
WPA2 Mixed is the collection of WPA and
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Field
Description
WPA2 encryption modes. The wireless client
establishes the connection between the modem
through WPA or WPA2.
Key differences between WPA and WEP are user
authentication and improved data encryption.
WEP Key Length
Choose the WEP key length. You can Choose
64-bit
or
128-bit
.
Choose WEP Key
Choose the index of WEP Key. You can choose
Key 1
,
2
,
3
or
4
.
WEP Key 1/2/3/4
The Encryption keys are used to encrypt the data.
Both the modem and wireless stations must use
the same encryption key for data transmission.
The default key 1 is
1234567890
.
Authentication
There are 2 authentications in WEP encryption.
Open
and
Share key
. Both authentications
support WEP encryption. But the message header
is different in wireless broadcast.
If the Security Mode is set to be
Auto (WPA or WPA2)
,
WPA2 only
,
or
WPA only
,
the following page appears.
19216811.live