C
HAPTER
7
| Wireless Configuration
WLAN Security
– 73 –
Figure 33: Security Mode - WPA
Security Mode — Configures the WPA and WPA2 security modes used by
clients. When using WPA or WPA2, be sure there is a RADIUS server in the
connected wired network, and that the RADIUS settings are configured.
See “IEEE 802.1X and RADIUS” on page 74 for more information.
(Default: Disable)
◆ WPA — Clients using WPA with an 802.1X authentication method are
accepted for authentication. The default data encryption type for WPA
is TKIP.
◆ WPA2 — Clients using WPA2 with an 802.1X authentication method
are accepted for authentication. The default data encryption type for
WPA is AES.
◆ WPA1_WPA2 — Clients using WPA or WPA2 with an 802.1X
authentication method are accepted for authentication. The default
data encryption type is TKIP/AES.
◆ WPA Algorithms — Selects the data encryption type to use. (Default
is determined by the Security Mode selected.)
■
TKIP — Uses Temporal Key Integrity Protocol (TKIP) keys for
encryption. WPA specifies TKIP as the data encryption method to
replace WEP. TKIP avoids the problems of WEP static keys by
dynamically changing data encryption keys.
■
AES — Uses Advanced Encryption Standard (AES) keys for
encryption. WPA2 uses AES Counter-Mode encryption with Cipher
Block Chaining Message Authentication Code (CBC-MAC) for
message integrity. The AES Counter-Mode/CBCMAC Protocol (AES-
CCMP) provides extremely robust data confidentiality using a 128-
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