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Configuring SSID Settings 95
5 Configuring Access Point Settings
Table 13 describes the configuration options for WEP.
Table 13. Static WEP
Field Description
PSK or EAP Static WEP (PSK) uses static key management. You manually configure the
same keys to encrypt data on both the wireless client and the AP. Dynamic
WEP (EAP) uses dynamically generated keys to encrypt client-to-AP traffic.
Dynamic WEP is more secure than Static WEP, but you need a RADIUS
server to manage the keys.
If you select EAP, the screen refreshes, and there are no more fields to
configure. The AP uses the global RADIUS server IP address and secret or
the RADIUS server settings you specify for the VAP. For information about
how to configure the global RADIUS server settings on the WCS, see
“Configuring AAA and RADIUS Settings” on page 79
Authentication Choose the authentication type:
• Open System—No authentication is performed
• Shared Key—Provides a rudimentary form of user authentication,
which many experts consider to be less secure than Open System since it
sends the WEP key to the client in plain text.
• Both—Only WEP clients are authenticated.
WEP Key Type Select the key type by clicking one of the radio buttons:
• ASCII—includes upper and lower case alphabetic letters, the numeric
digits, and special symbols such as @ and #
• Hex—includes digits 0 to 9 and the letters A to F
WEP Key Length Specify the length of the key by clicking one of the radio buttons:
•64 bits
• 128 bits
• 152 bits
Tx The Transfer Key Index indicates which WEP key the access point uses to
encrypt the data it transmits. To select a transfer key, click the button located
between the key number and the field where you enter the key. In Figure 43,
the transfer key is 3.
WEP Keys You can specify up to four WEP keys. In each text box, enter a string of
characters for each key. These are the RC4 WEP keys shared with the
stations using the access point.
Use the same number of characters for each key. The number of keys you
enter depends on the Key Type and Key Length. The following list shows the
number of keys to enter in the field:
• 64 bit—ASCII: 5 characters; Hex: 10 characters
• 128 bit—ASCII: 13 characters; Hex: 26 characters
• 152 bit—ASCII: 16 characters; Hex: 32 characters
Each client station must be configured to use one of these same WEP keys in
the same slot as specified here on the AP.