I have had this router for a while now and I have been experiencing these problems for forever. I can't seem to have two Xbox360's stay on OPEN NAT type permanently. I have tried port forwarding both xbox's, just my xbox, just my dad's xbox etc... I have tried DMZ on one with or without the other on Port Forwarding. I have turned UPNP on I have it so the filtering is set to endpoint independent . I have tried without . I have even tried port triggering today. I have manually set static ip addresses on both the xbox and the router. I even have the most recently upgraded firmware. Now... How do I get TWO Xbox 360's on OPEN NAT ? I would love to know please write me a tutorial on what has worked for you because I have basically tried EVERYTHING so please again tell me how to get two xbox360's on permanent OPEN NAT status.
Thanks