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: Navigate to Port Forwarding/Port Triggering and select Port Forwarding. Select HTTP from the Service Name drop-down list. Click Add Service button.
In the Service Name, type a name, like “camera”
In the Service Type, select TCP/UDP.
In the Starting Port, enter camera’s port number. Eg:8090
In the Ending Port, enter camera’s port number. Eg:8090
In the Server IP Address, enter camera’s IP address. Eg:192.168.1.5
Click Apply. You may need to restart the router for the changes to take effect.
You can check port is forwarded successful or not on
http://www.yougetsignal.com/tools/open-ports/