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虚拟局域网(VLAN)是在物理网络的基础上通过技术手段按照管理功能建立的逻辑网络,它不仅可以提高网络运行的效率,而且有利于网络安全和防止网络风暴,能解决许多其他问题。在实现网络构架时,采用VLAN技术可解决网络管理、扩容等问题,并可尽量发挥设备的功能,提高网络稳定性。本文就vlan的的基本概念和原理、种类划分及其特点,并结合实际分析了VLAN技术在我院校园一卡通网络建设中的应用。
Virtual Local Area Network (VLAN) is a logical network based on the management of physical network and based on management. It can not only improve the efficiency of network operation, but also benefit network security and prevent network storms and solve many other problems. In the realization of network architecture, the use of VLAN technology can solve the network management, capacity expansion and other issues, and can maximize the function of the device to improve network stability. In this paper, the basic concepts and principles of vlan, the type of classification and its characteristics, combined with the actual analysis of VLAN technology in our college campus card network construction application.