用基于第三层交换的VLAN技术改善校园网

improving Campus Networks by VLAN Technique Based on Three-layer Switching

虚拟局域网（VLAN）技术改变了传统网络的结构，为计算机网络的不断发展创造了新的条件。本文主要介绍了虚拟局域网（VLAN）技术的概念，并通过具体事例展示了基于第三层交换的VLAN技术在提高校园网络性能上的优越性。

The VLAN technique changes the structure of traditional networks and creates new condition for the increasing development of networks.In this paper, the concept of the VLAN techuque was discussed.With correlative examples, we introduce the superiority in improving the performance of campus networks by using the VLAN technique based on the three-layer switching.