A graphical network simulator to design and configure virtual networks

GNS3

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GNS3 2.2.1

  -  82.4 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 2.2.1.


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 2.2.1

  • GNS3 2.2.1 Screenshots

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

    GNS3 2.2.1 Screenshot 1
  • GNS3 2.2.1 Screenshot 2
  • GNS3 2.2.1 Screenshot 3
  • GNS3 2.2.1 Screenshot 4

What's new in this version:

GUI:
- Check if console_type is None
- Explicitly cleanup the cache directory
- Get Windows interface from registry if cannot load win32com module
- Ignore OSError returned by psutil when bringing console to front
- Catch error if NPF or NPCAP service cannot be detected. Ref GNS3/gns3-server
- Better handling for reading synchronous JSON response from server
- Fix JSONDecodeError when getting server version
- Fix FileNotFoundError exceptions when launching SPICE or VNC clients
- Fix UnboundLocalError local variable 'win32serviceutil' referenced before assignment
- 'Fix' tab order in preferences dialog so it follows the layout
- 'Fix' tab order in edit project dialog so it follows the layout
- Use compatible shlex_quote to handle case where Windows needs double quotes around file names, not single quotes
- Use 0.0.0.0 by default for server host. Fixes GNS3/gns3-server
- Catch IndexError when configuring port names

Server:
- Handle builtin entry does not exist when adding node from template
- Upgrade aiohttp to version 3.6.2
- Fix issue when linking to more than one NAT node with allowed_interface option enabled
- Prevent deleting a GNS3 project outside the project directory
- Do not send "console_type" property to computes for all builtin nodes excepting Ethernet switches
- Fix QEMU link detection flaky on last port
- Use compatible shlex_quote to handle case where Windows needs double quotes around file names, not single quotes
- Use 0.0.0.0 by default for server host. Fixes GNS3/gns3-server
- Improvement to validate HTTP authentication config
- Use versioned config directory for profiles
- Enable nested hardware virtualization by default for GNS3 VM running in VirtualBox. Fixes #1377 No error is sent by VBoxManage is this feature is not available, for instance with Intel processors
- Improve process to get guest IP address from GNS3 VM running in VMware workstation/player
- Fix error with console type in Ethernet switch schema

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