You may follow the steps below to enable the DDNS feature,
1.Log in to http://laviewddns.com/ and set up an account
2.In the NVR interface, enter the correct account and setting in DDNS menu
3.In the router menu, assign Port 80, Port 8000 and Port 8554 to the IP address of the system
4.Go to www.canyouseeme.org to ensure the ports are opened
Feel free to email the LaView Suppor Team if you have further questions.