Abstract:

This paper presents a solution for preventing virus and ARP attack from the view of network architecture，aiming at campus network collapsed by virus and ARP attack which is a general phenomena in campus network for high education.The solution makes each access user isolated and prevents virus and ARP attack by virtual LAN（VLAN）technology.This solution is imployed in campus network of China University of Political Science and Law and this practice shows that the solution is economical and effective.Finally，we give some suggestion on design of campus network based on our practice and actual situation of campus network.

Key words: campus network, network architecture, network design