Network Speed Testing with iPerf Tool Guide

Network Speed Testing with iPerf

Network speed tests using browser-based services like Google Speed Test or Speedtest.net provide limited results due to their built-in speed restrictions. iPerf offers accurate network performance measurements for server connections.

Installation

Download and Setup

1. Download iPerf for Windows
2. Extract the zip file to your desktop
3. Navigate to the extracted iperf-3.1.3-win64 folder

Command Prompt Configuration

1. Open the iPerf folder containing the iperf3 executable
2. Right-click the address bar at the top of the folder window
3. Select "Copy address as text"
4. Open Command Prompt
5. Type cd followed by a space
6. Right-click to paste the copied directory path
7. Press Enter to navigate to the iPerf directory

Speed Test Commands

Command	Function
iperf3 -c YourServerIP	Tests download speed from server
iperf3 -c YourServerIP -R	Tests upload speed to server

Usage

Replace YourServerIP with your actual server IP address:

iperf3 -c 192.168.1.100
iperf3 -c 192.168.1.100 -R

The first command measures download performance while the second command (-R flag) reverses the test direction to measure upload performance.

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