Port forwarding

[Craigst]

im using dual lan set up to double my internet speed but im having issues where i have to keep restarting as port forward always fails on me

whats best way to set up dual lan port forwarding is there a way to forward 1 wan all to 1 server so all port go to that server but still have double internet speed of both connections on my main pc ?

thanks open to ideas and wana know how others do there port forwarding