使用SharpPcap发送虚假构造的伪IP的UDP数据包

发送虚假构造的伪IP的UDP数据包。构造数据包经常出错！！！原因是很多属性没设置好。。我调试了很多次才发送成功！！！private void SendPacket()        {            string strGateWayIp = "192.168.100.1";            string strSouMac = new Class1().GetMACFromIP("192.168.100.106");//            PcapDeviceList allDevices = SharpPcap.GetAllDevices();            PcapDevice device = allDevices[0];            NetworkDevice device2 = (NetworkDevice)device;            int lLen = EthernetFields_Fields.ETH_HEADER_LEN;            string strGateWayMac = new Class1().GetMACFromIP(strGateWayIp);// zfrong            byte[] bytes = new byte[60];

            UDPPacket p = new UDPPacket(lLen, bytes);//            p.EthernetProtocol = EthernetProtocols_Fields.IP;            p.IPVersion = IPVersions_Fields.IPV4;            p.IPProtocol = IPProtocols_Fields.UDP;//

            p.TimeToLive = 2;//            p.IPHeaderLength = IPFields_Fields.IP_HEADER_LEN;//            p.Length = 60;//

            p.SourceHwAddress = strSouMac;            p.DestinationHwAddress = strGateWayMac;

            p.SourceAddress = "201.23.12.88";            p.SourcePort = 12345;                        p.DestinationAddress = "192.168.100.106";            p.DestinationPort = 9000;

            p.ComputeIPChecksum(true);//            p.ComputeUDPChecksum(true);                        int k=0;            while(k<20)            {                device2.PcapOpen(true, 200);                device2.PcapSendPacket(p); k++;                device2.PcapClose();            }                    }