GNS3 Network Emulator

Construct and test your network in a risk-free virtual environment 

  • Assess the capabilities of 20+ network vendors in a risk-free virtual environment.
  • Generate dynamic network maps for pre-deployment troubleshooting and proof of concept (POC) testing.
  • GNS3 can be connected to any real network to leverage your existing hardware and expand your current lab.

12,526,460 total downloads

Construct and test networks in a risk-free virtual environment without the need for network hardware. GNS3 allows you to easily build and test networks of any size with virtual servers, routers, switches, and more. 

You will have access to the GNS3 networking community with over 800,000 members to help you along the way.


Monitor and validate the performance of your GNS3 Virtual Network
with SolarWinds Network Performance Monitor

Network Performance MonitorStarts at $2895

Revolutionary network monitoring software with end-to-end visibility to pinpoint performance issues

  • Fault, performance and availability monitoring with outputs displayed in easy-to-read interactive charts and graphs
  • View hop-by-hop analysis along critical paths utilizing NPM’s NetPath™ application.
  • Create alerts that respond to multiple condition checks, correlated events, network topology, and device dependencies

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Fully functional for 30 days

SolarWinds is trusted by 150,000 customers in 170 countries