Step 1: Open your web browser and enter router’s IP address (192.168.0.1 by default) in the address bar. Enter username ("admin" by default) and then password (blank by default)
Step 2: Click Applications & Gaming > Single Port Forwarding tab.
You enter a name what you like for the port forwarding. (Eg: Camera01)
Enter camera’s port number in External Port and Internal Port, select TCP for Protocol. (Eg: 8090)
Enter camera’s IP address and check Enable box. (Eg: 192.168.1.190)
After completing all the necessary entries, go to the bottom and click Save Settings.
You can check port is forwarded successful or not on
http://www.yougetsignal.com/tools/open-ports/