When the mount file system on the arm Development Board has been error-checking on the internet, most of them say that UDP drops are a serious cause, and there is no solution to the problem after the attempt.
Finally found that the arm Development Board and other people's board IP conflict = =
1. Use arp-a to view IP and corresponding Mac, find MAC address inconsistent with your own Development Board MAC address, initial suspicion is IP conflict
[Email protected]:/usr/share/python/ns$ arp-a
Udp161248uds.ap.freescale.net (10.192.242.124) at 00:01:03:03:03:29 [ether] on eth0
Gateway-10-192-242.ap.freescale.net (10.192.242.254) at 00:00:0c:07:ac:66 [ether] on eth0
Imx6qdlsolo-010192242252.ap.freescale.net (10.192.242.252) at 6C:FA:89:5B:5E:CD [ether] on eth0
2. Unplug the Development Board power, Ping 10.192.242.252, found that the network is a pass, the basic can be concluded that IP conflicts.
Original server 10.192.242.184 not responding, still trying