I have three seperate private network systems, I will call them 10.0.5.1, 10.0.3.1 and 10.0.1.1 255.255.255.248 subnet for all three networks. I am running these to a cisco 2950 and all networks are running on vlan 1 only. I have a cross over cable, one from each network, plugged into the 2950...