Use the dualcore netplay branch for Melee, it'll make things a lot easier for you. it has additional features, such as syncing memory cards, UDP connections (which are smoother if your routers support it) and has been tested by a whole community. Oh, and it lets you play on dualcore without desyncing.
http://goo.gl/T3hysi
Unlike normal builds of dolphin, it requires firewalls to be disabled.
http://goo.gl/T3hysi
Unlike normal builds of dolphin, it requires firewalls to be disabled.