IPerf3
iPerf3 is an open source network testing tool used to measure maximum network throughput. It works by creating TCP and UDP data streams and measuring the throughput between two endpoints.
throughput
bandwidth
speed-test
tcp
udp
iPerf3: Open Source Network Testing Tool for Maximum Throughput
iPerf3 measures network throughput by creating TCP and UDP data streams, offering a comprehensive tool for network performance analysis.
What is IPerf3?
iPerf3 is an open-source network testing application used to measure the maximum achievable network throughput. It works by creating TCP and UDP data streams and measuring the throughput between two endpoints.
Some key features of iPerf3 include:
- Measuring TCP and UDP throughput
- Tuning various parameters like window size, parallel streams, etc. to optimize throughput
- CPU utilization reporting
- Support for IPv4 and IPv6
- publisher/subscriber support using JSON output
- Secure connections using SSL/TLS
iPerf3 is useful for tasks like checking network speed, validating network capacity before deployment, tuning network settings for optimal performance, identifying bottlenecks, and monitoring network usage over time. It provides rich statistics and reporting for in-depth analysis.
As an open-source tool, iPerf3 benefits from constant updates and improvements from a global community of developers and networking professionals. It runs on various platforms including Linux, Windows, macOS, FreeBSD, and more.
IPerf3 Features
Features
- Bandwidth measurement
- Multi-threaded for simultaneous testing
- UDP testing for packet loss and jitter
- IPv4 and IPv6 support
- Customizable test durations
- Client/server architecture
Pricing
- Open Source
Pros
Free and open source
Cross-platform (Windows, Linux, macOS)
Lightweight and easy to use
Can test wired and wireless networks
Detailed bandwidth statistics
Cons
Limited reporting compared to commercial tools
Requires installation on both endpoints
CLI-focused, lacks GUI
Official Links
The Best IPerf3 Alternatives
Top Network & Admin and Network Testing and other similar apps like IPerf3
Here are some alternatives to IPerf3:
Suggest an alternative ❐
PPerf
PPerf is an open source performance monitoring and profiling tool for Windows operating systems. It allows developers and IT professionals to analyze the performance of Windows applications and system components in depth.Some of the key features of PPerf include:Lightweight profiler that hooks into running processes with low overheadMonitors CPU usage,...
TamoSoft Throughput Test
TamoSoft Throughput Test is a free open-source network throughput testing utility for Windows. It can be used to measure the maximum bandwidth capacity and quality of a network connection.The software works by opening a TCP connection between two computers and transferring random data packages between them while accurately measuring the...
Netperf
Netperf is an open source network performance benchmarking and testing tool. It allows users to measure various aspects of network performance like:TCP and UDP throughputRequest/response performance and transaction ratesLatencyBandwidthCPU utilizationNetperf can generate both TCP and UDP test workloads to measure the performance characteristics of the network path between two systems....
NiceTools
NiceTools is a popular software suite that provides computer utility applications for Windows-based PCs. It aims to help users get the most out of their devices by offering various optimization, security, and customization tools.The core functionality of NiceTools focuses on freeing up hard drive space by finding and removing unnecessary,...
Packet Loss Test
Packet Loss Test is a small network utility software designed to test for packet loss over an Internet connection. It works by sending a series of test packets to a specified destination and measuring how many packets are lost in transmission.To use Packet Loss Test, you simply enter the IP...
NetStress
NetStress is a comprehensive network stress testing and performance analysis utility for Windows operating systems. It is designed to diagnose networking issues, measure network capacity, test new infrastructure, and validate application design.Some key features of NetStress include:Generating high workloads of TCP, UDP, HTTP, FTP, and other IP-based network protocols to...
Flent
Flent is an open-source network testing application designed for running automated tests, measurements, and data visualization. It provides a flexible framework for specifying test scenarios and collecting and analyzing performance data.Some key features of Flent include:Automated testing - Allows scripting tests for continuous integration or long-duration soak testing.Custom test cases...
PacketCheck
PacketCheck is a free and open source network monitoring software for Windows. It provides home and small business users with insightful tools to monitor and analyze network traffic, troubleshoot connectivity issues, identify bandwidth hogs or intruders, log events, and more.Some key features of PacketCheck include:Real-time display of network traffic and...
LANBench
LANBench is a comprehensive network benchmarking and analysis software used to measure file transfer speeds, response times, and overall performance of local area networks (LANs). It provides detailed analytics to help evaluate and troubleshoot LANs.Some key features of LANBench include:Testing network throughput by transferring files of different sizes and monitoring...
Nuttcp
nuttcp is an open source command-line network performance measurement tool used for testing TCP and UDP bandwidth performance. It was originally developed by Samsung and is now maintained on GitHub.Some key features of nuttcp include:Cross-platform support - works on Linux, Windows, macOS, FreeBSD etc.Flexibility in tuning various parameters like protocol...
Oka WiFi Speed Test
Oka is a WiFi speed testing application available for Android and iOS devices. It allows users to easily measure the internet speed and performance of their home or office WiFi network. Some key features of Oka WiFi Speed Test include:Real-time download and upload speed testsMeasurement of latency, jitter, and packet...
JPerf
JPerf is a free, open-source load and performance testing tool for web applications. It is designed to help analyze and measure the capacity and performance of web servers, application servers, and web applications under various user load conditions.Some key features of JPerf include:Ability to simulate multiple concurrent virtual users sending...
OpenSpeedTest-Server
OpenSpeedTest-Server is an open source internet speed test server software written in Python. It allows anyone to set up their own speed test server using a Linux based system. The software is designed to work with various speed test client applications and websites to measure a user's internet connection speed...
