可靠性和安全性是企业计算机网络建设的重要目标,本文通过对网络结构、路由协议、冗余备份、协议安全、访问控制等技术的分析,提出了实现可靠、安全的企业计算机网络的设计方案。 Reliability and security are the important goals of enterprise computer network construction. By analyzing the network structure, routing protocol, redundant backup, protocol security, access control and other technologies, this paper puts forward the design scheme of realizing reliable and secure enterprise computer network .