Applied Study of Layer 3 Switching Configuration Based on VLAN among Colleges´ Library Network Systems

Along with the unceasing expansion of colleges´ library network scale, the problems of network security are obviously increased. This thesis describes the advantages of VLAN and its practical significance on library local area network, and analyses the library network application and structure in colleges and universities. Based on the design of the library network in Xinyang Agricultural College, coping with unsafe factor and the colleges´ libraries individual features, the paper proposes the available solution on the security issue and the library network partitioning strategy.