3、备的选型、网络安全设计、路由设计等方面进行了分析与描述,并给出了具体的设计方案。关键词:Internet技术、企业网、拓扑结构、端口聚合、访问控制、VLANAbstract The current rapid development of computer network technology,the use ofinformation transmission networke has become a basic wayofoperation.Moreandmorecomputersconnected