The address table of MAC is an important data structure in the Ethernet two-layer switch. When the switch exchanges the information, it must study and Find the MAC address with the MAC address table.
MAC地址表是以太网二层交换机中的一个重要数据结构，对MAC地址的学习和查找是实现以太网二层交换的必需功能。
The device management network setup is usually very simple: a flat-layer two-type network on a 10/100 switch is acceptable for device management purposes, so no further explanation is needed.
设备管理网络的设置通常非常简单：在 10/100 兆交换机上平层的两类网络可以满足设备管理要求，所以无需多做说明。
Layer 3 switching can occur at two different locations on the switch.
三层交换可以发生的地方分成两种不同的模式。
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