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SonicOS Enhanced 4.0 Administrator Guide
• Radius Server 2 IP and Port: Enter the IP address and port number for your secondary
RADIUS server, if you have one.
• Radius Server 2 Secret: Enter the password for access to Radius Server
Click Apply in the top right corner to apply your WPA settings.
WPA/WPA2 Encryption Settings
Like WPA, WPA2 supports two protocols for storing and generating keys:
• Pre-Shared Key (PSK): PSK allows WPA2 to generate keys from a pre-shared passphrase
that you configure. The keys are updated periodically based on time or number of packets.
Use PSK in smaller deployments where you do not have a RADIUS server.
• Extensible Authentication Protocol (EAP): EAP allows WPA to synchronize keys with an
external RADIUS server. The keys are updated periodically based on time or number of
packets. Use EAP in larger, enterprise-like deployments where you have an existing
RADIUS framework.
• WPA2 PSK / WPA2 EAP: There are optional AUTO modes for each WPA2 protocol. WPA2
EAP AUTO and WPA2 PSK AUTO try to connect using WPA2 security, and will default back
to WPA if the client is not WPA2 capable.
Note WPA2 support is only available in Access Point Mode. WPA support is not available in
Bridge Mode.
WPA2-PSK Settings
Encryption Mode: In the Authentication Type field, select WPA2-PSK.
WPA Settings:
• Cypher Type: select AES. Advanced Encryption Standard (AES) is an advanced block
cipher protocol for enforcing key integrity.
• Group Key Update: Specifies when the SonicWALL Secure Anti-Virus Router 80 Wireless
updates the key. Select By Timeout to generate a new group key after an interval specified
in seconds. Select By Packet to generate a new group key after a specific number of
packets. Select Disabled to use a static key.
• Interval: If you selected By Timeout, enter the number of seconds before WPA2
automatically generates a new group key.