交换机、集线器、路由器区别和使用浅谈

首先说HUB,也即是集线器。它的作用可以简单的理解为将一些机器连接起来构成一个局域网。而交换机（又名交换式集线器）作用与集线器大体一样。但是两者在功能上有区别：集线器选用的式共享带宽的办公方式，而交换机是独享带宽

(First of all, HUB, that is, the hub. Its role can be simply understood as connecting some machines to form a local area network. Switches (aka switching hubs) function in much the same way as hubs. However, there are differences in function between the two: the hub uses a shared bandwidth office mode, while the switch uses exclusive bandwidth.)

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