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Linux网络带宽测速(iperf3实操)

  • 2026-03-24 09:39:58
Linux网络带宽测速(iperf3实操)

日常用Linux测网络带宽、设备间传输能力,iperf3是最精准、运维常用的工具,无需复杂配置,复制命令就能实操,新手也能快速上手。

核心用途:测Linux本机网络带宽,或两台设备(本机与服务器/局域网设备)之间的最大传输带宽,比普通测速工具更精准。

一、前期准备

需在两台测试设备(客户端+服务器)上,均安装iperf3工具,步骤简单,适配主流Linux系统。

1. 安装命令(Ubuntu/Debian系统)

sudo apt update && sudo apt install iperf3 -y

2. 安装命令(CentOS/RHEL系统)

sudo yum install iperf3 -y

二、实操步骤(核心,分服务器端+客户端)

测试需两台设备配合,服务器端启动服务,客户端发起连接,缺一不可,步骤如下:

① 服务器端操作(被测试设备,如远程服务器、局域网主机)

输入命令启动iperf3服务,无需额外配置,启动后保持终端开启即可:

iperf3 -s

② 客户端操作(发起测试设备,如你的Linux本机)

输入命令连接服务器,开始测速,替换命令中的“服务器IP”为实际设备IP即可:

iperf3 -c 服务器IP

举个例子

若服务器IP为192.168.1.100,客户端直接输入以下命令,即可开始测速:

iperf3 -c 192.168.1.100

三、结果解读

1. 结果解读

测试默认持续10秒,结束后会清晰显示两项核心数据,无需手动计算:

- sender:客户端到服务器的上传速度(单位:Mbps)

- receiver:服务器到客户端的下载速度(单位:Mbps)

2. 关键小贴士

① 测试时请关闭两台设备的防火墙,或开放iperf3默认端口(5201),避免防火墙拦截,影响测试结果;

② 尽量在网络空闲时测试,减少其他网络任务(如下载、浏览)的干扰,结果更精准。

iperf3测速步骤简单、结果精准,是Linux运维、日常测速的首选工具,收藏起来,下次测速直接用~

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  139. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/runtime/temp/067d451b9a0c665040f3f1bdd3293d68.php ( 11.98 KB )
  140. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.001019s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001477s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000807s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000729s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001394s ]
  6. SELECT * FROM `set` [ RunTime:0.000536s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001487s ]
  8. SELECT * FROM `article` WHERE `id` = 480794 LIMIT 1 [ RunTime:0.000872s ]
  9. UPDATE `article` SET `lasttime` = 1774581648 WHERE `id` = 480794 [ RunTime:0.014124s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000865s ]
  11. SELECT * FROM `article` WHERE `id` < 480794 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001250s ]
  12. SELECT * FROM `article` WHERE `id` > 480794 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000975s ]
  13. SELECT * FROM `article` WHERE `id` < 480794 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008743s ]
  14. SELECT * FROM `article` WHERE `id` < 480794 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004477s ]
  15. SELECT * FROM `article` WHERE `id` < 480794 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003387s ]
0.136341s