gaor

aireplay-ng -1 0 -a F8:3D:FF:7A:9A:A4 mon0
No source MAC (-h) specified. Using the device MAC (00:18:DE:B4:1A:2A)
16:22:50  Waiting for beacon frame (BSSID: F8:3D:FF:7A:9A:A4) on channel -1
16:22:50  Couldn't determine current channel for mon0, you should either force the operation with --ignore-negative-one or apply a kernel patch
Please specify an ESSID (-e).