aireplay-ng --test ra0
03:34:16 Trying broadcast probe requests...
03:34:18 No Answer...
03:34:18 Found 1 AP

03:34:18 Trying directed probe requests...
03:34:18 00:18:F8:40:F3:B8 -...

I'm getting the same problem as well.


aireplay-ng -1 0 -a 00:18:F8:40:F3:B8 -h 00:15:AF:E6:3A:34 ra0
19:06:49 Waiting for beacon frame (BSSID: 00:18:F8:40:F3:B8)

19:06:49 Sending...