Chapter 5 Wireless LAN
NWA1300-NJ User’s Guide
36
5.1.1 What You Can Do in this Chapter
• Use the BASIC screen (
) to configure the general
wireless settings, such as the SSID, channel and 802.11 mode.
• Use the ADVANCED screen (
) to configure the advanced
wireless settings, such as the RTS/CTS Threshold and preamble type.
• Use the SECURITY screen (
) to configure the wireless
security settings.
5.1.2 What You Should Know
Every wireless network must follow these basic guidelines.
• Every wireless client in the same wireless network must use the same SSID.
The SSID is the name of the wireless network. It stands for Service Set IDentity.
• If two wireless networks overlap, they should use different channels.
Like radio stations or television channels, each wireless network uses a specific
channel, or frequency, to send and receive information.
• Every wireless client 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.
Wireless Security Overview
The following sections introduce different types of wireless security you can set up
in the wireless network.
SSID
Normally, the AP acts like a beacon and regularly broadcasts the SSID in the area.
You can hide the SSID instead, in which case the AP does not broadcast the SSID.
In addition, you should change the default SSID to something that is difficult to
guess.
This type of security is fairly weak, however, because there are ways for
unauthorized devices to get the SSID. In addition, unauthorized devices can still
see the information that is sent in the wireless network.
User Authentication
You can make every user log in to the wireless network before they can use it.
This is called user authentication. However, every wireless client in the wireless
network has to support IEEE 802.1x to do this.
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