使用 iperf3 测试网速

[Bpazy]

Ubuntu 安装 iperf3:

$ sudo apt install -y iperf3

A 服务器启动 iperf3 服务端:

$ iperf3 -s

B 服务器启动 iperf3 客户端，并指定服务端地址:

$ iperf3 -c 192.168.31.31

Connecting to host 192.168.31.31, port 5201
[  5] local 192.168.31.41 port 53852 connected to 192.168.31.31 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  14.2 MBytes   120 Mbits/sec    0    600 KBytes       
[  5]   1.00-2.00   sec  10.8 MBytes  90.2 Mbits/sec    0   1.14 MBytes       
[  5]   2.00-3.00   sec  12.4 MBytes   104 Mbits/sec    0   1.70 MBytes       
[  5]   3.00-4.00   sec  10.9 MBytes  91.2 Mbits/sec    0   2.26 MBytes       
[  5]   4.00-5.00   sec  10.8 MBytes  90.2 Mbits/sec    0   2.82 MBytes       
[  5]   5.00-6.00   sec  10.9 MBytes  91.2 Mbits/sec    0   3.15 MBytes       
[  5]   6.00-7.00   sec  11.0 MBytes  92.3 Mbits/sec    0   3.15 MBytes       
[  5]   7.00-8.00   sec  11.0 MBytes  92.3 Mbits/sec    0   3.15 MBytes       
[  5]   8.00-9.00   sec  12.5 MBytes   105 Mbits/sec    0   3.15 MBytes       
[  5]   9.00-10.00  sec  11.0 MBytes  92.3 Mbits/sec    0   3.15 MBytes       
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec   115 MBytes  96.8 Mbits/sec    0             sender
[  5]   0.00-10.31  sec   115 MBytes  93.4 Mbits/sec                  receiver

iperf Done.

这里可以看到约为 100M 带宽。