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目前网络朝着大型化,多子网的方向发展。以太网三层交换技术的出现,解决了网络中网段划分之后,网段中子网必须依赖路由器进行管理的局面,解决了传统路由器低速、复杂所造成的网络瓶颈问题。本文分析了三层交换的主要体系结构及工作原理。为读者选取三层交换机提供理论依据。
The current network toward large-scale, multi-sub-network direction. The emergence of Ethernet Layer-3 switching technology solves the problem of network bottlenecks caused by the low speed and complexity of the traditional routers after the network segment division in the network is resolved and the subnet in the network segment needs to be managed by the router. This article analyzes the main three-tier exchange architecture and working principle. For the reader to choose three switches provide a theoretical basis.