linux下可以用echo来发送udp包到指定端口,方便测试
#send to local 发送udp包到本地的1234端口
#echo test udp infomation > /dev/udp/localhost/1234
或(本机地址为192.168.0.81)
#echo test udp infomation > /dev/udp/192.168.0.81/1234
#send to remote 发送udp包到远程机器的1234端口
#echo test udp infomation > /dev/udp/192.168.0.81/1234