如何在 Xamarin.Forms 中获取连接移动数据的客户端设备的 MAC 地址？

Question

In my client-server-solution I need the MAC addresses of frontend devices, running my Xamarin.Forms app. Currently I just have get Mac Address connected by Wifi is correct in info about device. But, I used mobile data then get Mac Address in device not correct.

var lstAllNetWorkInfaces = NetworkInterface.GetAllNetworkInterfaces();
                        var ni = lstAllNetWorkInfaces.FirstOrDefault(intf => (intf.OperationalStatus == OperationalStatus.Up)
                                                             && (intf.NetworkInterfaceType == NetworkInterfaceType.Wireless80211
                                                                 || intf.NetworkInterfaceType == NetworkInterfaceType.Ethernet));
                        var hw = ni.GetPhysicalAddress();
                        physicalWifiAddress = string.Join(":", (from ma in hw.GetAddressBytes() select ma.ToString("X2")).ToArray());

Please let me know if there's a bug or if you found a better solution.

Answer 1

" Layer 2 (Data Link) - It provides a reliable signaling link between the mobile station (MS) and the network. Protocol is based on the LAPDm of ISDN "

Source is Does the OSI model also apply to mobile networks? .

So in 2G networks ARP is not used so MAC addresses are not a thing in that scenario. You should consider other client authentication method.

I would suggest client side certificates, they work in any device.