EnGenius Technologies ESR9855G - Manual (Page 59)

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WPA Mode: Select the WPA / WPA2 from the drop-down list.
Cipher Type: Select TKIP or AES as the cipher suite. The encryption algorithm used to secure the data communication. TKIP. Use
TKIP only. TKIP (Temporal Key Integrity Protocol) provides per-packet key generation and is based on WEP. AES. Use AES only.
AES (Advanced Encryption Standard) is a very secure block based encryption. Note that, if the bridge uses the AES option, the bridge
can associate with the access point only if the access point is also set to use only AES. TKIP and AES. The bridge negotiates the
cipher type with the access point, and uses AES when available.
Group Key Update Interval: Specify the number of seconds before the group key used for broadcast and multicast data is changed.
Authentication Timeout: Specify the number of minutes after which the client will be required to re-authenticate.
RADIUS Server IP Address: Specify the IP address of the RADIUS server.
RADIUS Server Port: Specify the port number of the RADIUS server, the default port is 1812.
RADIUS Server Shared Secret: Specify the pass-phrase that is matched on the RADIUS Server.
MAC Address Authentication: Check this box if you would like the user to always authenticate using the same computer.
Optional Backup RADIUS server: This option enables configuration of an optional second RADIUS server. A second RADIUS server
can be used as backup for the primary RADIUS server. The second RADIUS server is consulted only when the primary server is not
available or not responding.
Click on the Save Changes button to store these settings.