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111
C
HAPTER
6
Wireless
6.1
Overview
This chapter describes the ZyXEL Device’s
Network Setting > Wireless
screens.
Use these screens to set up your ZyXEL Device’s wireless connection.
6.1.1
What You Can Do in this Chapter
Use the
General
screen to enable the Wireless LAN, enter the SSID and select
the wireless security mode (
Section 6.2 on page 113
).
Use the
More AP
screen to set up multiple wireless networks on your ZyXEL
Device (
Section 6.3 on page 121
).
Use the
WPS
screen to enable or disable WPS, view or generate a security PIN
(Personal Identification Number) (
Section 6.4 on page 123
).
Use the
WMM
screen
to enable Wi-Fi MultiMedia (WMM) to ensure quality of
service in wireless networks for multimedia applications (
Section 6.5 on page
125
).
Use the
Scheduling
screen to schedule a time period for the wireless LAN to
operate each day (
Section 6.6 on page 127
).
You don’t necessarily need to use all these screens to set up your wireless
connection. For example, you may just want to set up a network name, a wireless
radio channel and some security in the
General
screen.
6.1.2
Wireless Network Overview
Wireless networks consist of wireless clients, access points and bridges.
A wireless client is a radio connected to a user’s computer.
An access point is a radio with a wired connection to a network, which can
connect with numerous wireless clients and let them access the network.
A bridge is a radio that relays communications between access points and
wireless clients, extending a network’s range.
Traditionally, a wireless network operates in one of two ways.
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112
An “infrastructure” type of network has one or more access points and one or
more wireless clients. The wireless clients connect to the access points.
An “ad-hoc” type of network is one in which there is no access point. Wireless
clients connect to one another in order to exchange information.
The following figure provides an example of a wireless network.
Figure 22
Example of a Wireless Network
The wireless network is the part in the blue circle. In this wireless network,
devices
A
and
B
use the access point (
AP
) to interact with the other devices (such
as the printer) or with the Internet. Your ZyXEL Device is the AP.
Every wireless network must follow these basic guidelines:
Every device in the same wireless network must use the same SSID.
The SSID is the name of the wireless network. It stands for Service Set
IDentifier.
If two wireless networks overlap, they should use a different channel.
Like radio stations or television channels, each wireless network uses a specific
channel, or frequency, to send and receive information.
Every device in the same wireless network must use security compatible with
the AP.
Security stops unauthorized devices from using the wireless network. It can also
protect the information that is sent in the wireless network.
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113
Radio Channels
In the radio spectrum, there are certain frequency bands allocated for unlicensed,
civilian use. For the purposes of wireless networking, these bands are divided into
numerous channels. This allows a variety of networks to exist in the same place
without interfering with one another. When you create a network, you must select
a channel to use.
Since the available unlicensed spectrum varies from one country to another, the
number of available channels also varies.
6.1.3
Before You Begin
Before you start using these screens, ask yourself the following questions. See
Section 6.7 on page 127
if some of the terms used here do not make sense to
you.
What wireless standards do the other wireless devices support (IEEE 802.11g,
for example)? What is the most appropriate standard to use?
What security options do the other wireless devices support (WPA-PSK, for
example)? What is the best one to use?
Do the other wireless devices support WPS (Wi-Fi Protected Setup)? If so, you
can set up a well-secured network very easily.
Even if some of your devices support WPS and some do not, you can use WPS to
set up your network and then add the non-WPS devices manually, although this
is somewhat more complicated to do.
What advanced options do you want to configure, if any? If you want to
configure advanced options, ensure that you know precisely what you want to
do. If you do not want to configure advanced options, leave them alone.
6.2
The Wireless General Screen
Use this screen to enable the Wireless LAN, enter the SSID and select the wireless
security mode.
Note: If you are configuring the ZyXEL Device from a computer connected to the
wireless LAN and you change the ZyXEL Device’s SSID or security settings,
you will lose your wireless connection when you press
Apply
to confirm. You
must then change the wireless settings of your computer to match the ZyXEL
Device’s new settings.
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Click
Network Setting > Wireless
to open the
General
screen.
Figure 23
Network Setting > Wireless > General
The following table describes the labels in this screen.
Table 12
Network > Wireless LAN > General
LABEL
DESCRIPTION
Wireless Network Setup
Wireless
Select the
Enable Wireless LAN
check box to activate the wireless LAN.
Wireless Network Settings
Wireless
Network
Name (SSID)
The SSID (Service Set IDentity) identifies the service set with which a
wireless device is associated. Wireless devices associating to the access
point (AP) must have the same SSID.
Enter a descriptive name (up to 32 English keyboard characters) for the
wireless LAN.
Hide SSID
Select this check box to hide the SSID in the outgoing beacon frame so a
station cannot obtain the SSID through scanning using a site survey tool.
BSSID
This shows the MAC address of the wireless interface on the ZyXEL Device
when wireless LAN is enabled.
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6.2.1
No Security
Select
No Security
to allow wireless stations to communicate with the access
points without any data encryption or authentication.
Mode Select
This makes sure that only compliant WLAN devices can associate with the
ZyXEL Device.
Select
802.11b/g/n
to allow IEEE802.11b, IEEE802.11g and
IEEE802.11n compliant WLAN devices to associate with the ZyXEL Device.
The transmission rate of your ZyXEL Device might be reduced.
Select
802.11b/g
to allow both IEEE802.11b and IEEE802.11g compliant
WLAN devices to associate with the ZyXEL Device. The transmission rate
of your ZyXEL Device might be reduced.
Select
802.11g Only
to allow only IEEE 802.11g compliant WLAN devices
to associate with the ZyXEL Device. Select
802.11n only in 2.4G band
to allow only IEEE 802.11n compliant WLAN devices with the same
frequency range (2.4 GHz) to associate with the ZyXEL Device.
Channel
Selection
Set the channel depending on your particular region.
Select a channel or use
Auto
to have the ZyXEL Device automatically
determine a channel to use. If you are having problems with wireless
interference, changing the channel may help. Try to use a channel that is
as many channels away from any channels used by neighboring APs as
possible. The channel number which the ZyXEL Device is currently using
then displays in the
Operating Channel
field.
Scan
Click this button to have the ZyXEL Device immediately scan for and select
a channel (which is not used by another device) whenever the device
reboots or the wireless setting is changed.
Operating
Channel
This is the channel currently being used by your AP.
Security Level
Security
Mode
Select
Basic
or
More Secure
to add security on this wireless network.
The wireless clients which want to associate to this network must have
same wireless security settings as the ZyXEL Device. When you select to
use a security, additional options appears in this screen.
Or you can select
No Security
to allow any client to associate this
network without any data encryption or authentication.
See the following sections for more details about wireless security modes.
Apply
Click
Apply
to save your changes back to the ZyXEL Device.
Cancel
Click
Cancel
to restore your previously saved settings.
Table 12
Network > Wireless LAN > General (continued)
LABEL
DESCRIPTION

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