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Xirrus Wi-Fi Array XR4420 User Manual

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Wi-Fi Array
Installing the Wi-Fi Array 83
Security Planning
This section offers some useful guidelines for defining your preferred encryption
and authentication method. For additional information, see “Understanding
Security” on page 210 and the Security section of “Frequently Asked Questions”
on page 432.
Wireless Encryption
Encryption ensures that no user can decipher another user’s data transmitted
over the airwaves. There are three encryption options available to you, including:
WEP-40bit or WEP-128bit
Because WEP is vulnerable to cracks, we recommend that you only use
this for legacy devices that cannot support a stronger encryption type.
Wi-Fi Protected Access (WPA)
This is much more secure than WEP and uses TKIP for encryption.
Wi-Fi Protected Access (WPA2) with AES
This is government-grade encryption available on most new client
adapters and uses the AES–CCM encryption mode (Advanced
Encryption Standard–Counter Mode).
Authentication
Authentication ensures users are who they say they are, and occurs when users
attempt to join the wireless network and periodically thereafter. The following
authentication methods are available with the Wi-Fi Array:
RADIUS 802.1x
802.1x uses a remote RADIUS server to authenticate large numbers of
clients, and can handle different authentication methods (EAP-TLS, EAP-
TTLS, EAP-PEAP, and EAP-LEAP Passthrough). Administrators may
Note that several advanced features in this section are part of the Xirrus
Advanced RF Security Manager (RSM). They require the license installed
on the Array to include support for RSM. Please see “About Licensing and
Upgrades” on page 325.

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Xirrus Wi-Fi Array XR4420 Specifications

General IconGeneral
BrandXirrus
ModelWi-Fi Array XR4420
CategorySpeaker System
LanguageEnglish

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