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现在路由器和交换机之间的区别已越来越模糊，多层路由器与交换机都可以同时实现交换和路由的功能，它们之间还有不同吗？各自特点何在？如何更好地根据应用需求进行选择？ 一、传统的交换机和路由器 普通交换机工作在开放系统互连（ＯＳＩ）七层模型的第二层，即数据链路层，
Now the difference between routers and switches has become increasingly blurred, multi-layer routers and switches can both exchange and routing functions, there is a difference between them? What are their characteristics? How to better choose according to the application needs? First, the traditional switches and routers Common switches work in the second layer of the Open Systems Interconnection (OSI) seven-layer model, the data link layer,