自己编写的查找空闲IP的程序,需要winpcap的支持,主要原理是发送arp包进行探测存活的ip,arp包源mac地址是经过修改的,绝对不会引起IP冲突,当检测到空闲IP之后,可以直接进行IP地址的指定,dns支持三个-prepared to search their spare IP procedures, the need to winpcap support the main principle is to send arp su