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3Com公司近日推出了宽带以太网VCN交换机,利用VCN交换机端口的硬件特性从网络第二层上完全隔离了每个端口的用户数据流,即利用硬件实观了传统交换机利用软件实观的VLAN功能,从而保证社区每一个用户数据的
3Com recently introduced a broadband Ethernet VCN switch, the use of VCN switch port hardware features from the second layer of the network completely isolate the user data stream for each port, that is, the use of hardware to see the traditional switch virtual LAN software features VLAN , So as to ensure every user data in the community