virtual local area network

Multiple technology like local area network database separate operaton, real time data concentration and distribution mechanism, allopatric backup, and optical fiber virtual private network ( VPN) were used.

研究中运用多局域网数据库独立运行、实时数据集中分发机制和异地备份技术，以及光纤VPN网技术。

this article introduces virtual local area network technology and its effect in brief, discusses related stan ˉ dard and pays attention to application, and explains vlan configure way in practice by an example.

本文简要介绍了虚拟局域网的概念和作用，讨论了有关标准和在应用中应注意的问题，通过具体实例说明在实际工作中VLAN的配置方法。

The VLAN ( Virtual Local Area Network) technology, a key technology in the Ethernet switch, can contain broadcast traffic effectively and make it possible to realize the routing functions in the Ethernet switch.

VLAN（Virtual Local Area Network）技术是以太网交换机的核心技术之一，它可以有效地抑制网络广播风暴，并使得在交换机上实现路由功能成为可能。