Configuring Access Point Security
6-21
6.8 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 access point:
1.
Select
Network Configuration
->
Wireless
->
Security
from the 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.
Summary of Contents for AP 5131 - Wireless Access Point
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