Step 1: Login to your ASUS router via the default gateway.

Step 2: Click on “WAN” under “Advanced Settings.”

Step 3: Click on the “DDNS” tab.
Please Note: Depending on your firmware this page may differ.

Step 4: Click on “Yes” to Enable the DDNS Client. 

Step 5: Select No-IP on the Server dropdown. Then enter your No-IP hostname, username and password.

Step 5: Click “Apply.”

Congratulations, the ASUS router should now send us updates whenever the IP address changes.