DUAL NETWORk CARDS

I would like to use sticky notes but my pc has 2 network cards one for internet and one for my lan.The addresses use diff octets
Unfortunately not matter what i do, the other computers on the lan cannot access my desktop unless i disable my internet card address
this is not practical.
When i set up it always defaults to the internet card and thus I cannot use it for the lan and other uses cannot access me.

is it possible to set the sticky note to select which card can be used or any other ideas. :iconbiggrin: :iconbiggrin: