介绍利用SDH设备传送以太网业务时，ZXONM E300网管的配置流程，并以ZXMP S320设备SFE4板组成的网络实例为基础，说明虚拟局域网业务的详细配置方法。-Introducing the use of SDH transmission equipment Ethernet service, ZXONM E300 network configuration processes, and network equipment SFE4 instances ZXMP S320 plates a

Hanoi tower (Towers of Hanoi) is the French M.Claus (Lucas) in 1883 Thailand to France, Hanoi is the capital of North Vietnam during the Vietnam War, which is now the city of Hu Zhiming in 1883, the French mathematician Edouard Lucas mentioned this s