A graphical network simulator to design and configure virtual networks

GNS3

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GNS3 2.1.13

  -  64.8 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 2.1.13.


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 2.1.13

  • GNS3 2.1.13 Screenshots

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

    GNS3 2.1.13 Screenshot 1
  • GNS3 2.1.13 Screenshot 2
  • GNS3 2.1.13 Screenshot 3
  • GNS3 2.1.13 Screenshot 4

What's new in this version:

GUI:
- Disable computer hibernation detection mechanism
- Add some advice for request timeout message
- Show/Hide interface labels when status points are not shown
- Do not print critical message twice on stderr. Replace QMessageBox calls with no parent by log.error()/log.warning()
- Show critical messages before the main window runs
- Avoid using PyQt5.Qt, which imports unneeded stuff
- Fix SIP import error with recent PyQt versions
- Upgrade to Qt 5.12
- Adjust the setup wizard (VMware image size, layouts)

Server:
- Force jsonschema dependency to 2.6.0
- Less aggressive connections to uBridge
- Fix topology images (Pictures) disappearing from projects
- Reset MAC addresses when duplicating a project
- Fix API call to create a node from an appliance doesn't return the new node data
- Detect invalid environment variable and send a warning when creating a Docker node
- Do not export/import symlinks for projects
- Fix symlink not being created for duplicated IOU devices
- Configure coresPerSocket value in VMX file for the GNS3 VM
- Count logical CPUs to detect if the number of vCPUs is too high when configuring the GNS3 VM
- Add explicit error when trying to pull a Docker image from Docker Hub without Internet access
- Fixes double display output in GRUB in QEMU v3.1

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