Currently, layer 3 switch network devices have spread from the core of network to the edge of network. It occupys a large part of network devices market.
目前第三层交换机已由网络的核心延伸至网络的边缘，占据了相当大的市场份额。
Currently, layer 3 switch network devices have spread from the core of network to the edge of network. It occupys a large part of network devices market.
目前第三层交换机已由网络的核心延伸至网络的边缘，占据了相当大的市场份额。
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