使用WinPcap（SharpPcap）实现ARP抓包以实现设备IP修改功能

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参考上一篇：

使用WinPcap（SharpPcap）实现ARP抓包以实现设备IP搜索功能

搜索出设备后，需要修改设备IP网关掩码等信息

继续采用ARP包

getBas类似之前的，根据用户电脑的网卡物理地址mac，还有修改后的ip, netmask, gateway发送arp包
设备接收到后解析修改即可。

//遍历网卡
foreach (var device in devices1)
{
if (!device.Description.ToLower().Contains("vmware") && !device.Description.ToLower().Contains("virtual"))//排除虚拟机网卡
{
DeviceThread = new Thread(new ThreadStart(() =>
{
if (device.Addresses.Count > )
{
foreach (var address in device.Addresses)
{
if (address.Addr.type == SharpPcap.LibPcap.Sockaddr.AddressTypes.AF_INET_AF_INET6)
{
if (address.Addr.ipAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
localIP = address.Addr.ipAddress;
break;
}
}
}
}
foreach (var address in device.Addresses)
{
if (address.Addr.type == SharpPcap.LibPcap.Sockaddr.AddressTypes.HARDWARE)
{
localMAC = address.Addr.hardwareAddress;
}
}
var ethernetPacket = new EthernetPacket(localMAC, pmac, EthernetPacketType.Arp);
var arpPacket = new ARPPacket(getBas(mac, ip, netmask, gateway));
ethernetPacket.PayloadPacket = arpPacket;
device.Open();
device.SendPacket(ethernetPacket);
device.Close();
}));
DeviceThread.IsBackground = true;
DeviceThread.Start();
}
}