这个例子告诉您这个服务器上有两个虚拟交换机，它们的名字(. name)，以及它们正在使用哪些设备(. device)。

This example tells you there are two virtual switches on the server, their names (.name), and which devices they are using (.device).

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然后，交换机间可以同步各种数据，其中包括名字服务数据。

Then, the data can be synchronized between switches, including the data of name service.

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