Network connection settings

I am of the students.We have within the school network is connected to the computer, through a dial-up software, and then buy their own on the card to dial-up option is on the inside or outside the network of networks.Quarters, but we used the Routing , And we are just four holes of the router, and four computers.We do not want to take a route when the LAN switches, set up to ask how can we make the four computers, Hubuyingxiang, on their own Network (within the network, as well as on the outside do not affect net).Thank you, to tell you! ! !

campus network itself is a large local area network.
but you belong to one of the dormitory inside the network ip address, you are online Through the public school network ip gateway to the Internet
as long as you pick a 4 switch, or router, then 4 months, 4 computers can access the respective independent.Segment set free.