Cisco AP541N Dual-band Single-radio Access Point Administration ...

4WirelessModifying Virtual Access Point SettingsWPA PersonalWPA Personal is a Wi-Fi Alliance IEEE 802.11i standard, which includes AES-CCMPand TKIP mechanisms. The Personal version of WPA employs a pre-shared key(instead of using IEEE 802.1X and EAP as is used in the Enterprise WPA securitymode). The PSK is used for an initial check of credentials only.This security mode is backwards-compatible for wireless clients that support theoriginal WPA.Table 15FieldWPA Personal Field DescriptionsDescriptionWPA VersionsSelect the types of client stations you want to support:WPA. If all client stations on the network support the originalWPA but none support the newer WPA2, select WPA.WPA2. If all client stations on the network support WPA2, wesuggest using WPA2, as it provides the best security bysupporting the IEEE 802.11i standard.WPA and WPA2. If you have a mix of clients, some of whichsupport WPA2 and others which support only the originalWPA, select both of the check boxes. This lets both WPA andWPA2 client stations associate and authenticate, but uses themore robust WPA2 for clients that support it. This WPAconfiguration allows more interoperability, at the expense ofsome security.71 Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide