Brocade Communications Systems Mobility 7131 Series Service Manual download pdf (Page 215)

Brocade Mobility 7131 Access Point Product Reference Guide 203

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6. Select the Allow WEP128 Clients checkbox (from within the KeyGuard Mixed Mode field) to

enable WEP128 clients to associate with an access point’s KeyGuard supported WLAN. The

WEP128 clients must use the same keys as the KeyGuard clients to interoperate within the

access point’s KeyGuard supported WLAN.

7. Cli c k th e Apply button to save any changes made within the KeyGuard Setting field of the New

Security Policy screen.

8. Click the Cancel button to undo any changes made within the KeyGuard Setting field and

return to the WLAN screen. This reverts all settings to the last saved configuration.

Configuring WPA/WPA2 Using TKIP

Wi-Fi Protected Access (WPA) is a robust encryption scheme specified in the IEEE Wireless Fidelity

(Wi-Fi) standard, 802.11i. WPA provides more sophisticated data encryption than WEP. WPA is

designed for corporate networks and small-business environments where more wireless traffic

allows quicker discovery of encryption keys by an unauthorized person.

The encryption method is Temporal Key Integrity Protocol (TKIP). TKIP addresses WEP’s

weaknesses with a re-keying mechanism, a per-packet mixing function, a message integrity check,

and an extended initialization vector.

Wi-Fi Protected Access 2 (WPA2) is an enhanced version of WPA. WPA2 uses the Advanced

Encryption Standard (AES) instead of TKIP. AES supports 128-bit, 192-bit and 256-bit keys.

WPA/WPA2 also provide strong user authentication based on 802.1x EAP. To configure WPA/WPA2

encryption on the Mobility 7131 Access Point:

1. Select Network Configuration -> Wireless -> Security from the Mobility 7131 Access Point menu

tree.

If security policies supporting WPA-TKIP exist, they appear within the Security

Configuration screen. These existing policies can be used as is, or their properties edited

by clicking the Edit button. To configure a new security policy supporting WPA-TKIP,

continue to step 2.

2. Click the Create button to configure a new policy supporting WPA-TKIP.

The New Security Policy screen displays with no authentication or encryption options

selected.

3. Select the WPA/WPA2 TKIP radio button.

The WPA/TKIP Settings field displays within the New Security Policy screen.

4. Ensure the Name of the security policy entered suits the intended configuration or function of

the policy.

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Brocade Communications Systems Mobility 7131 Series Service Manual Page 215