freebsd 8.1 wireless wpa supplicant with my usb nic

rc.conf
moused_enable="NO"
sshd_enable="YES"
ntpd_sync_on_start="1"
wlans_rum0="wlan0"
ifconfig_wlan0="WPA DHCP"

/etc/wpa_supplicant.conf wpa2 in our router
network={
ssid="mywireless"
psk="mypass"
priority=5
}

service netif start
/etc/rc.d/netif start


http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/network-wireless.html