As with hubs, Ethernet implementations of network switches are the most common.

和集线器一样，网络交换机的以太网实现是最常见的。

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One limitation that applies to hubs and switches alike is that an Ethernet network must be loop-free.

集线器和交换机有同一个局限，即以太网网络必须是无路由循环的。

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These multiport bridges were called switching hubs or Ethernet switches.

这些多端口网桥叫交换式集线器或以太网交换机。

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And at least theoretically, using additional Ethernet hubs, you could share it with up to 253 computers.

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Also, given the possibility of network sniffing, use switched Ethernet hubs wherever possible to isolate traffic (thus minimizing the amount of sniffable information).

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