iperf 网络带宽测试工具

iperf 程序是一个网络性能测试工具，通常可以用于测试网络设备之间的带宽质量，支持UDP/TCP

在Ubuntu1804中安装iperf

sudo apt install -y iperf

下面以测试本地到服务器（104.160.18.230）之间的网络质量

在104.160.18.230上安装iperf并运行

sudo apt install -y iperf

iperf -s -p 55201

参数解释

-s 服务端
-p 指定端口（默认55201）

在本地的Ubuntu1804机器上安装iperf并运行

sudo apt install -y iperf

iperf -c 104.160.18.230 -t 30s -i 1s -p 55201

参数解释

-c 客户端运行
-w tcp 数据包大小
-t 测试时间
-i 刷新时间
-p 服务端接收的端口

测试结果输出如下

➜  ~ iperf -c 104.160.18.230 -w 2m -t 30s -i 1s -p 55201
Invalid value of '1s' for -i interval
------------------------------------------------------------
Client connecting to 104.160.18.230, TCP port 55201
TCP window size:  416 KByte (WARNING: requested 1.91 MByte)
------------------------------------------------------------
[  3] local 192.168.4.11 port 50038 connected with 104.160.18.230 port 55201
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 1.0 sec   892 KBytes  7.31 Mbits/sec
[  3]  1.0- 2.0 sec  1.12 MBytes  9.44 Mbits/sec
[  3]  2.0- 3.0 sec  1.62 MBytes  13.6 Mbits/sec
[  3]  3.0- 4.0 sec  1.50 MBytes  12.6 Mbits/sec
[  3]  4.0- 5.0 sec  2.12 MBytes  17.8 Mbits/sec
[  3]  5.0- 6.0 sec  2.25 MBytes  18.9 Mbits/sec
...
[  3] 24.0-25.0 sec  3.00 MBytes  25.2 Mbits/sec
[  3] 25.0-26.0 sec  2.75 MBytes  23.1 Mbits/sec
[  3] 26.0-27.0 sec  2.88 MBytes  24.1 Mbits/sec
[  3] 27.0-28.0 sec  2.50 MBytes  21.0 Mbits/sec
[  3] 28.0-29.0 sec  2.25 MBytes  18.9 Mbits/sec
[  3] 29.0-30.0 sec  3.00 MBytes  25.2 Mbits/sec
[  3]  0.0-30.1 sec  87.7 MBytes  24.4 Mbits/sec

iperf 网络带宽测试工具

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