Benchmarking Network Performance with Keysight's CyPerf CE

CyPerf CE brings you enhanced control over TCP traffic simulation, providing features that surpass traditional tools like iPerf, while remaining simple and accessible

Install now
Explore Use Cases
Built on Keysight's CyPerf — Trusted by Industry Leaders
Advanced Precision Benchmarking

Engineered for Precision, Trusted by Innovators

Built on Keysight CyPerf, the Community Edition enhances iPerf & NetPerf with advanced TCP benchmarking, including CPS, concurrent sessions, and expanded performance metrics.

Key Measurements

Gain Deeper Insights Into Your Network’s Performance

From benchmarking network throughput, connection rates, concurrent sessions, and latencies to advanced TCP-level measurements, CyPerf CE delivers the insights needed to fully understand and optimize your network’s performance.

Install now
Measure What Matters Most

What Traffic Type and Scale Can You Achieve?

100K
TCP connections per second
64K
Concurrent TCP sessions
100%
Stateful TCP traffic
10 Gbps
Maximum TCP bandwidth
Discover if CyPerf CE Is Built for You

Who Benefits from CyPerf Community Edition?

TCP connections per second
Cloud Architects
System Administrators
Developers
Students & Tech Enthusiasts
Use Cases

Key Use Cases of 
CyPerf CE

CyPerf CE provides a simple CLI tool for benchmarking TCP performance, supporting up to 10 Gbps and 100K connections per second. The commercial edition scales to terabit performance with advanced enterprise features.

TCP connections per second
Measure the maximum TCP bandwidth between an emulated client and server (max 10 Gbps)
Benchmarking TCP Connection Rate
Measure the maximum TCP connection rate between two hosts (up to 100K connections per second)
Benchmarking TCP Concurrent Sessions
Measure the maximum number of concurrent TCP sessions that can be established between two hosts (up to 64,000 sessions)
CyPerf in Action

Proven Performance, 
Real Results

Customer Stories
“The CyPerf Community edition was perfect for our startup's initial network testing needs. Even with the 2-agent limit, we were able to thoroughly validate our application's performance before launch.”
MT

Michael T, Network Administrator

Customer Stories
“The CyPerf Community edition was perfect for our startup's initial network testing needs. Even with the 2-agent limit, we were able to thoroughly validate our application's performance before launch.”
MT

Michael T, Network Administrator

Customer Stories
“The CyPerf Community edition was perfect for our startup's initial network testing needs. Even with the 2-agent limit, we were able to thoroughly validate our application's performance before launch.”
MT

Michael T, Network Administrator

Customer Stories
“I was skeptical about the value of a free network testing tool, but CyPerf Community exceeded my expectations. The detailed TCP traffic measurements helped me identify several configuration issues in our network that had been causing intermittent problem. ”
MT

Michael T, Network Administrator

Customer Stories
“As an educator, I needed affordable tools to teach network benchmarking concepts. CyPerf Community edition has been invaluable in our lab environment. Students can run real TCP traffic and control objectives like bandwidth, connection rates, and concurrent sessions while getting full insight into the TCP metrics.”
DP

Dr. Pryia, Professor

Customer Stories
“The CyPerf Community edition was perfect for our startup's initial network testing needs. Even with the 2-agent limit, we were able to thoroughly validate our application's performance before launch."
AR

Alex R, DevOps

Unlock Actionable Insights to Optimize your Network

Simulate real-world traffic, uncover hidden bottlenecks, and make data-driven decisions to optimize your infrastructure – whether in the cloud or on-premises.

Install now
Step-by-Step Video Guides

Getting Started with CyPerf CE for Network Testing

Master CyPerf CE with our expert video guides! Whether you're setting up for the first time or diving into advanced performance testing, these tutorials will help you install, configure, and benchmark key network transport metrics, including latency, bandwidth, max connection rate, and max concurrent sessions. Learn how to optimize on-prem, cloud, and hybrid deployments with real-world performance insights.

A Beginner’s Guide
How to Install
A Beginner’s Guide
High Transaction High Connection Usecase
A Beginner’s Guide
Distributed Hybrid Cloud Network Testing
A Beginner’s Guide
Distributed Hybrid Cloud Network Testing
CyPerf CE FAQ

Get the Answers You Need

How many agents can I deploy in CyPerf CE?

Does CyPerf CE have a GUI?

Can I use CyPerf CE to test SSL VPNs?

Can I use CyPerf CE for real-world attack simulations?

How does CyPerf CE compare to CyPerf Enterprise Edition?

Go Beyond Community Edition – Discover CyPerf Enterprise

Need Higher Scale and More Traffic Patterns?

Need advanced network capabilities? CyPerf’s full edition delivers terabit-level performance, extensive app traffic emulation, advanced security testing, and enterprise-grade features—perfect for hybrid clouds, multi-tenant networks, and cutting-edge applications.

Upgrade to full version
Edition
CyPerf Community
CyPerf Enterprise
Licensing
License type
Freeware
Commercial
Scale Limits
Agents per test
2
Uncapped
Max TCP connection rate
100,000
Uncapped, millions
Max TCP bandwidth
10 Gbps
Uncapped, terabits
Max TCP concurrent sessions
64,000
Uncapped, billions
User
CLI
Yes
Yes
GUI
–
Yes
REST API
–
Yes
Max TCP concurrent sessions
64,000
Uncapped, billions
Emulated Network Traffic
TCP traffic
Yes
Yes
UDP traffic
–
Yes
HTTP/HTTPS
–
Yes
IPsec and SSL VPN clients/servers
–
Yes
Packet Capture Replay
–
Yes
Application Mix
–
Yes
Network-based Attack Emulation
Exploits
Yes
Yes
Commercial
–
Yes
CyPerf Community
CyPerf Enterprise
Licensing
License type
Freeware
Scale Limits
Agents per test
2
Max TCP connection rate
100,000
Max TCP bandwidth
10 Gbps
Max TCP concurrent sessions
64,000
User
CLI
Yes
GUI
–
REST API
–
Max TCP concurrent sessions
64,000
Emulated Network Traffic
TCP traffic
Yes
UDP traffic
–
HTTP/HTTPS
–
IPsec and SSL VPN clients/servers
–
Packet Capture Replay
–
Application Mix
–
Network-based Attack Emulation
Exploits
Yes
Commercial
–
Licensing
License type
Commercial
Scale Limits
Agents per test
Uncapped
Max TCP connection rate
Uncapped, millions
Max TCP bandwidth
Uncapped, terabits
Max TCP concurrent sessions
Uncapped, billions
User
CLI
Yes
GUI
Yes
REST API
Yes
Max TCP concurrent sessions
Uncapped, billions
Emulated Network Traffic
TCP traffic
Yes
UDP traffic
Yes
HTTP/HTTPS
Yes
IPsec and SSL VPN clients/servers
Yes
Packet Capture Replay
Yes
Application Mix
Yes
Network-based Attack Emulation
Exploits
Yes
Commercial
Yes