Configuring WPA2 on Cisco Aironet

1240AG> enable
1240AG# configure terminal
1240AG (config)# interface dot11radio 0
1240AG (config-if)# encryption vlan 30 mode ciphers aes-ccm
1240AG (config-if)# ssid Admin
1240AG (config-if-ssid)# vlan 30
1240AG (config-if-ssid)# authentication open
1240AG (config-if-ssid)# authentication key-management wpa version 2
1240AG (config-if-ssid)# wpa-psk ascii $key