(The construction goal of the campus network of xx Software Industry Technology College is to use a 1GB optical fiber switching network to realize the information interconnection required by the campus, the optical cable connection, and the main floors of the whole school. It adopts 10/100/1000Nbps switching technology in an all-round way to connect various PCs, servers, terminal equipment and local area networks of the school, and writes Intranet and CERNET to connect. Construct a campus network with computer network as the frame and network use, computer multimedia assisted teaching and teaching management office automation as the platform. The design of the system should ensure advanced technology, safe and reliable operation, and good openness and scalability.)