4. Enter your Slingbox IP address in an available IP address field. To find the IP address, start SlingPlayer and move your mouse over the name of your
Slingbox.
5. Enable TCP (required) and UDP (optional) on the router administration screen.
6. If you see an "Add Service" button within your router's administration screens, click it and name the new service "Slingbox."
Note
Your Slingbox IP address may be different from the one in this example.
Important
Make sure to leave your router on at all times.
If you use multiple routers, see "Multiple Routers In Your Home" on page 93.
For example, if your cable company gave you a modem/router combo and you
hooked up your regular router to it, you might experience problems.
Slingbox User Guide
Example of a new port entry for Slingbox on a typical router