A graphical network simulator to design and configure virtual networks

GNS3

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GNS3 2.2.3

  -  84.5 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of GNS3 2.2.3.


For those interested in downloading the most recent release of GNS3 or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download GNS3 2.2.3

  • GNS3 2.2.3 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    GNS3 2.2.3 Screenshot 1
  • GNS3 2.2.3 Screenshot 2
  • GNS3 2.2.3 Screenshot 3
  • GNS3 2.2.3 Screenshot 4

What's new in this version:

GUI:
- Fix issue when binding on 0.0.0.0
- Allow double click on cloud with configured console to open session
- Officially support Python 3.8
- Set psutil to version 5.6.3 in requirements.txt

Server:
- Improved how the path to the config file is actually determined
- Return HTTP status code 204 in API when project successfully closed
- Python3.8 support
- Make sure still support Python >= 3.5.3
- Added workaround for #1690. Added venv/ to .gitignore
- Fix exception when adding VirtualBox VM
- Set psutil to version 5.6.3 in requirements.txt
- Add LimitNOFILE=16384 to GNS3 service
- Change the default UDP port range to be 20000 to 30000

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