A graphical network simulator to design and configure virtual networks

GNS3

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GNS3 2.1.18

  -  64.9 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 2.1.18.


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.


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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 2.1.18

  • GNS3 2.1.18 Screenshots

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

    GNS3 2.1.18 Screenshot 1
  • GNS3 2.1.18 Screenshot 2
  • GNS3 2.1.18 Screenshot 3
  • GNS3 2.1.18 Screenshot 4

What's new in this version:

GUI:
- Fix error in HTTPConnection.request for Python3.6
- Catch more OSError/PermissionError when checking md5 on remote images
- Fix exception when grid size is 0
- Catch PermissionError when scanning local image directories
- Revert "Make sure the latest PyQt5 version 5.12.x is used on Windows."

Server:
- Revert "Force aiohttp version to 2.3.10 and aiohttp-cors version to 0.5.3" Ref GNS3/gns3-server#1583 Ref GNS3/gns3-server#1592
- Fix invalid reStructuredText for long description in setup.py

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