You could set up your router to do manual assignment of IP address instead of using DHCP, but that is a PITA, because then you'd have to manually set up IP for all your devices.





If you have AirPOrt Extreme, you could do this:





In your Apple TV, go to the Settings >> About and write down the MAC address of your ATV Start up the AiPort Admin Utility Go to Network tab click + in the DHCP reservations Choose an IP you want for your ATV & Enter the MAC address From now on, this IP address will be reserved to the MAC address and only your ATV will be able to get it, no other device will. It is not a static IP in a true sense, but behaves just like one.





Works great for me...





If you don't have a AP Extreme, I'm sure other routers will allow you do reservations too.