System Configuration
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multicast and broadcast traffic must be the same for all clients,
therefore it restricts encryption to a WEP key.
Advanced Encryption Standard (AES) Support: WPA specifies
AES encryption as an optional alternative to TKIP and WEP. AES
provides very strong encryption using a completely different
ciphering algorithm to TKIP and WEP. The developing IEEE
802.11i wireless security standard has specified AES as an
eventual replacement for TKIP and WEP. However, because of
the difference in ciphering algorithms, AES requires new
hardware support in client network cards that is currently not
widely available. The access point includes AES support as a
future security enhancement.
The WPA configuration parameters are described below:
WPA Configuration Mode – The access point can be configured
to allow only WPA-enabled clients to access the network, or also
allow clients only capable of supporting WEP.
WPA Key Management – WPA can be configured to work in an
enterprise environment using IEEE 802.1x and a RADIUS server
for user authentication. For smaller networks, WPA can be
enabled using a common pre-shared key for client authentication
with the access point.
•
WPA authentication over 802.1x: The WPA enterprise mode
that uses IEEE 802.1x to authenticate users and to
dynamically distribute encryption keys to clients.
•
WPA Pre-shared Key: The WPA mode for small networks that
uses a common password string that is manually distributed.
If this mode is selected, be sure to also specify the key string.
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