功能 使局域网内的某主机断网 收不到数据包 可依据ip,mac地址，计算机名进行断网（非arp) 基于交换机mac表的自动学习功能 c#+sharppcap（winpcap开发包的c#插件）编写 环境 .net3.5+winpacp4.02,Feature allows a host within the LAN can not receive packets off network can be based on ip, mac address, computer name for plan