FreeBSD, Thinkpad X40, Intel 2200BG and WPA

I have the intel 2200bg wirelss card and used the iwi-firmware .

Load modules at boot :

**vi /boot/loader.conf **
if_iwi_load=”YES”
wlan_load=”YES”
firmware_load=”YES”
legal.intel_iwi.license_ack=1

configure iwi network options :

**vi /etc/rc.conf **
ifconfig_iwi0=”WPA DHCP”

configure WPA settings :

vi /etc/wpa_supplicant.conf
ctrl_interface_group=0
network={
ssid=”ssid”
key_mgmt=WPA-PSK
psk=”shared-key”
}