1.Open browser and enter router ip address 192.168.0.1 then ENTER.
2.Its says Authentication Password. Default username and password is admin.
3.Sucessfully Logged in TP-LINK Router console.
4.Click Bandwidth Control List -> Control Settings ->Enable bandwidth control.
6.After that Click Rule List and add a New Rule.
7.Enter the IP address range you want to enable. and set upload and download bandwidth size.
8.Click Save button and Enjoy.