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交换式集线器是一种新的迅速发展的高技术网络互连设备。介绍动态以太网交换技术和在集线器中信息包的转发方式；给出基于ＬＳ结构的交换式集线器和基于ＳＲ１０００的交换式集线器的硬件设计方案和交换实现过程；最后对两种方案进行了比较。
Switching hub is a new rapid development of high-tech network interconnection equipment. Introduces the dynamic Ethernet switching technology and packet forwarding in the hub; presents the hardware design and exchange implementation of the switching hub based on the LS structure and the SR1000 based switching hub; and finally compares the two schemes.