The Application of VLAN Technique in Campus Network Building

Virtual Local Area Network(VLAN)can not only increase the efficiency of network running,but also benefit network security and preventing network storms,and solve many other questions. The overreach of L3 switch creates the condition of VLAN application. In network upgrade and rebuilding,using VLAN technique can solve network management and network extending problem etc.,and it can make the most use of inherence equipment,protect inhereance investment. The paper particularly discusses the application of VLAN technique in campus network building.