ZyAIR G-2000 Plus User’s Guide

Table 24 Wireless: Static WEP Encryption

LABEL

DESCRIPTION

 

 

Key 1 to Key 4

The WEP keys are used to encrypt data. Both the ZyAIR and the wireless stations

 

must use the same WEP key for data transmission.

 

If you chose 64-bit WEP, then enter any 5 ASCII characters or 10 hexadecimal

 

characters ("0-9", "A-F").

 

If you chose 128-bit WEP, then enter 13 ASCII characters or 26 hexadecimal

 

characters ("0-9", "A-F").

 

You must configure all four keys, but only one key can be activated at any one time.

 

The default key is key 1.

Enable

Select this check box to enable the Breathing LED, also known as the ZyAIR LED.

Breathing LED

The blue ZyAIR LED is on when the ZyAIR is on and blinks (or breaths) when data is

 

being transmitted to/from its wireless stations.

 

Clear the check box to turn this LED off even when the ZyAIR is on and data is being

 

transmitted/received.

Preamble

Select a preamble type from the drop-down list menu. Choices are Long, Short and

 

Dynamic.

 

See the section on preamble for more information.

 

 

802.11 Mode

Select 802.11b Only to allow only IEEE 802.11b compliant WLAN devices to

 

associate with the ZyAIR.

 

Select 802.11g Only to allow only IEEE 802.11g compliant WLAN devices to

 

associate with the ZyAIR.

 

Select Mixed to allow either IEEE802.11b or IEEE802.11g compliant WLAN devices

 

to associate with the ZyAIR. The transmission rate of your ZyAIR might be reduced.

Apply

Click Apply to save your changes back to the ZyAIR.

 

 

Reset

Click Reset to reload the previous configuration for this screen.

 

 

7.5 Introduction to WPA

Wi-Fi Protected Access (WPA) is a subset of the IEEE 802.11i security specification draft. Key differences between WPA and WEP are user authentication and improved data encryption.

7.5.1 User Authentication

WPA applies IEEE 802.1x and Extensible Authentication Protocol (EAP) to authenticate wireless clients using an external RADIUS database. See “Internal RADIUS Server” on page 114 for for more information on authentication of Trusted User’s. See later in this chapter and the appendices for more information on IEEE 802.1x, RADIUS, EAP and PEAP.

If you don’t have an external RADIUS server you should use WPA-PSK (WPA -Pre-Shared Key) that only requires a single (identical) password entered into each access point, wireless gateway and wireless client. As long as the passwords match, a client will be granted access to a WLAN.

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Chapter 7 Wireless Security