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Chapter 4 - Operation and Administration
BreezeACCESS VL System Manual
208
Open System: An SU configured to Open System can only associate with an
AU also configured to Open System. In this case, the authentication
encryption algorithm is not used.
Shared Key: The authentication messages are encrypted. An SU configured to
use a Shared Key can only be authenticated by an AU configured to use a
Shared Key, provided the applicable Key (which means both the key number
and its content) in the AU is identical to the key selected as the Default Key in
the SU.
The default is Open System.
NOTE
The Shared Key option cannot be selected before at least one Key is defined. In the SU, a Default
Key that refers to a valid Key must be selected.
The AU and all the SUs it serves should be configured to the same Authentication Algorithm option.
Mixed operation is not supported.
4.2.6.7.2 Data Encryption Option
The Data Encryption Option allows enabling or disabling data encryption. When
enabled, all data frames, including frames using management protocols such as
Telnet, FTP, TFTP, SNMP, DHCP and ICMP, are encrypted.
The default is Disable.
NOTE
The AU and all the SUs it serves should be configured to the same Data Encryption Option.
Mixed operation is not supported.
A unit with Data Encryption Option enabled can accept non-encrypted data frames.
The Maximum Number of Associations must be set to a value of 124 or lower to enable Data
Encryption. As long as Data Encryption is enabled, the Maximum Number of Associations
cannot be set to a value higher than 124.The Maximum Number of Associations Limit (512
when Data Encryption is disabled, 124 when Data Encryption is enabled) is indicated in the
Show Air Interface Parameters display.
4.2.6.7.3 Security Mode
The Security Mode option enables selecting the algorithm to be used for
encrypting the authentication messages and/or data frames.
The available options are WEP, AES OCB and FIPS 197 (if available).
The default is WEP.
4.2.6.7.4 Default Key (SU only)
The Default Key defines the Key to be used for encrypting/decrypting the
authentication messages (Shared Key mode) and/or data frames (Data
Encryption enabled). The AU learns the Default Key from the SU provided it is