The process needs the aircrack-ng tool. If you are using any penetration testing Linux distro then you dont have to install it. Use this command to scan for available networks with initial scanning we will get network BSSID and channel. The devices should now be disconnected from the network. Back up your wireless card and send it back up using this command ifconfig wlan0 up. Back to the page you came from the bottom of the tutorial. The next step is to send deAuth packets to the device.”]
Source: https://gbhackers.com/kickout-devices-out-of-your-network-and-enjoy-all-the-bandwidth/