一个简单的arp封包程序，可以伪装成任意ip，mac。代码简单可塑性强，适合winpcap初学者或arp防御测试者使用，对于不好的地方希望多多交流相互学习-Arp packet with a simple procedure that can masquerade as any ip, mac. Code is simple and plasticity, and is suitable for beginners or arp defense winpcap test to use, the

Make a shell scr ipt in order to create a system as a router and make a wired connection between systems, so as to ensure that the router can MASQUERADE to the outer world and wired system is not connected to any other network but to the router (dire