1.tcp重传率计算
watch -n 5 “cat /proc/net/snmp”

如下博客所讲
https://blog.csdn.net/michaelwoshi/article/details/121189743

2.iperf测试网络带宽
#客户端
#tcp
iperf -c 服务端ip -P 4 -b 200M

#udp
iperf -c 服务端ip -u -P 4 -b 1000M -l 10K

#服务端
iperf -s