A graphical network simulator to design and configure virtual networks

GNS3

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GNS3 2.2.6

  -  84.4 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 2.2.6.


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 2.2.6

  • GNS3 2.2.6 Screenshots

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

    GNS3 2.2.6 Screenshot 1
  • GNS3 2.2.6 Screenshot 2
  • GNS3 2.2.6 Screenshot 3
  • GNS3 2.2.6 Screenshot 4

What's new in this version:

GUI:
- Prevent locked drawings to be deleted
- Fix issues with empty project variables
- Upgrade psutil to version 5.6.6 due to CVE-2019-18874
- Use existing README.txt if existing when exporting portable project
- Allow creation of a diskless Qemu VMs
- Re-enable "create new version" in appliance wizard
- Fix unable to load project from project library
- Fix some permission denied errors when loading remote project
- Add 'Royal TS V5' to predefined console list
- Disallow invalid grid sized
- Check if hostname is blank
- Add nvme disk interface and fix scsi disk interface for Qemu VMs
- Add latest Qemu nic models
- Upgrade Qt version to 5.14.1

Server:
- Remove --local when starting Docker dev server
- Release 2020.1.0-alpha.1
- Monitor ubrige processes
- Add Xvnc command to the VNC servers list. Fixes
- Allow controller to reconnect to compute if communication is lost
- Improvement of support for docker USER directive
- Fix cannot delete Dynamips router the content of the "usage" field
- Prevent locked drawings to be deleted
- Fix issues with empty project variables
- Upgrade psutil to version 5.6.6 due to CVE-2019-18874
- Remove 'format=raw' from the Qemu options of the disk interfaces
- Allocate application IDs for IOU nodes on the controller. An application ID is used by IOU to generate its interface Mac addresses. They must be unique across all opened projects sharing the same computes to avoid Mac address collisions.
- Require VirtualBox >= 6.0 on AMD and >= 6.1 on Intel processors (for GNS3 VM only)
- Add nvme disk interface and fix scsi disk interface for Qemu VMs
- Disallow using "legacy networking mode" with Qemu >= 2.9.0
- Add latest Qemu nic models
- Attempt to fix error when loading wmi module
- Handle "aborted" state for VirtualBox VMs
- Change how Hyper-V VMs are found

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