Study on Computer Network Safety System of the College Library Based on Network Layer
基于网络层的高校图书馆网络安全体系的构建研究

The applications of the technology of VLAN, L3 -switch and access -list are studied in this paper to establish the computer network safety system of the college library based on network layer. The computer network safety system based on network layer is the most important part of the whole computer network safety system of the college library.