Well here is the long story, my internet connection is purely wireless, so I dont have direct access to that router.
I share my net connection from my mac to my xbox for xbox live...
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What I have tried thus far:
Firewire
-Direct connection between the two, with ips set "correctly" (i dont know if they have been yet?) neither computer sees the other
-Turning internet sharing on on the mac, the pc will pick up an ip, but not do anything beyond that
Ethernet
-Direct works... but only when wireless is turned off on both :|
-Also takes away ability to share net connection to xbox
Ethernet -> Router -> PC and Xbox
-PC doesnt see mac anymore, but xbox works...
-Router doesnt pick up ip from mac
....
this is getting frustrating... only option I see so far is just connecting both to a router, and giving up xbox live heh