Abstract: with the gradual popularization of the network, campus network construction is the school to the inevitable choice for the development of information technology, campus network system is a very huge but complicated system, it not only for modern teaching, integrated information management and office automation applications such as a series of provide basic operating platform, but also can provide various application service, make the information timely, accurately transmitted to each system. The campus network construction in the main applications of network technology to the important branch local area network technology to construct and the management, therefore the subject of this graduation project will be mainly in the campus local area network construction process may be used in a variety of technical and implementation options for the design direction, the construction of the campus network and provide a theoretical basis and practical guidance.
Keywords: local area network, Internet, computer network, network protocol, server, firewall