The Study of Cryptography in the Application of the Land Management of Campus Network

With the expansion of the campus network, the numbers of the servers and switches needing to manage increase rapidly. It is a problem what need to resolve in the campus network management, how to manage these network devices quickly and safe. Commercial network management system is expensive, so this paper based on the campus network to implement the system using free radius authentication login network equipment, to improve the safety of the network device management in the campus network environment.