-Clear the TP-Link to Factory State (hold small reset button on the back down for 30 seconds with a pen or a straightened paperclip)
-Login to the modem's configuration page at http://192.168.1.1 (default username: admin, password: admin)
-Click on Quick Setup on the left
-Enter 0 for VPI and 35 for VCI, [DO NOT check the box for Quality of Service] click Next
-Choose "PPP over Ethernet (PPPoE)" and set Encapsulation Mode to "LLC/SNAP-BRIDGING", click Next
-Enter your PPPoE login and password in "PPP Username" and "PPP Password", click Next and Next again
-Enter the desired wireless network name under SSID and click Next
-Click on Save/Reboot
-Wait two minutes - once the router has rebooted, access the configuation page at http://192.168.1.1 again
-Click on Wireless, then Security
-Change Network Authentication to "Mixed WPA2/WPA-PSK"
-Select WPA-PSK/WPA2-PSK by clicking on the circle next to it
-Set the WPA Pre-Shared Key to a value of your choice - you will also enter this on devices which connect to your wireless network
-Click on Save/Apply
-At the bottom of the screen, a message in red letters will appear: "The change of wireless config will not take effect until the Router reboots, please click here to reboot." Click on the link that says "click here"
-Click on the Reboot button