tcpip.rar 是一个51控制8019的程序,我已用于商用.还很稳定,有兴趣的可以看一下,对TCP IP UDP ICMP ARP RARP HTTP均可以实现.-tcpip.rar control is a 8019 51 procedures I have used the business. very stable, which is interested can look at it. TCP UDP ICMP IP ARP RARP HTTP are to be attained.