rpm -ivh   安装
iperf3 -s   端口


sudo firewall-cmd --zone=public --add-port=5201/tcp --permanent
sudo firewall-cmd --reload 

iperf3 -c 192.168.3.32 -p 5201  -b 1000M   --logfile=a1.log


iperf3 -s 5201


iperf3 -c 10.170.138.16 -p 5201  -b 1000M   --logfile=a1.log

iperf3 -c 10.170.138.33 -p 5201  -b 1000M   --logfile=a1.log



yum install iperf3