利用WMI修改IP，dns，网关（不用重启计算机）适合XP,win7，vista,The use of WMI change IP, dns, gateway (do not restart the computer) for XP, win7, vista

分布式网关技术规范: 分布式网关系统能实现单个网关能连接大容量客户端连接,网关之间能自动交换信息\自动路由,动态提供连接和自动冗余.-Distributed Gateway technical specifications: Distributed gateway system to achieve a single gateway can connect the client to connect large-capacity, gateway to automatically ex