Alvarion BreezeACCESS 4900 Specifications Page 222

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Chapter 4 - Operation and Administration Menus and Parameters
BreezeACCESS 4900 196 System Manual
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 one of the Keys
defined in the AU. The AU may use different keys when authenticating and/or
communicating with different SUs.
Available values range from 1 to 4.
The default is KEY # 1.
4.2.6.7.5 Default Multicast Key (AU only)
The Multicast Default Key defines the Key to be used for encrypting multicasts
and broadcasts when Data Encryption is enabled.
Available values range from 1 to 4.
The default is KEY # 1.
4.2.6.7.6 Key # 1 to Key # 4
The Key # options enables defining the encryption key to be used for initializing
the pseudo-random number generator that forms part of the
encryption/decryption process. The Keys must be set before the Shared Key
authentication algorithm or Data Encryption can be used. To support proper
operation, both the Key # and the content must be identical at both sides of a
wireless link.
Each Key is a string of 32 hexadecimal numbers. For security reasons, it is a
"write only" parameter, displayed as a string of asterisks ("*").
The default for all 4 Keys is 000…0 (a string of 32 zeros), which means no key.
4.2.6.7.7 Promiscuous Authentication (AU only)
The Promiscuous Authentication mode enables new SUs to join an active cell
where Shared Key operation and/or Data Encryption are used, even if this SU
does not have the correct security parameters. In promiscuous mode, all downlink
transmissions (from AU to SUs) are not encrypted, allowing remote configuration
of security parameters, regardless of the current settings in the SUs of the
parameters related to data encryption. After a new SU joins the cell it should be
remotely configured with the proper parameters (or upgraded). When the SU is
configured properly, the Promiscuous Mode should be disabled.
The default is Disable.
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