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GNS3 1.5.2 Released!

Level 11

GNS3 version 1.5.2 has been released. This is a minor release to fix some issues found in version 1.5.1


  • The GNS3 server default port has been moved from 8000 to 3080.
  • Qemu VM type has been dropped when adding a new Qemu template using the Wizard.
    • Please download a template from the marketplace to install pre-configured VMs as described in this documentation.
  • Please report bugs/issues found in that release. We cannot possibly test every use case and we depend on reports to improve GNS3 (Thanks!).

Windows and Mac OS X

Files for Windows and Mac OS X can be downloaded from here.

Linux installation

For Linux users we recommend an installation via Pypi.

pip3 install gns3-gui==1.5.2 pip3 install gns3-server==1.5.2

For an installation from our PPA (Ubuntu based Linux):

sudo add-apt-repository ppa:gns3/stable sudo apt-get update sudo apt-get install gns3-gui


Network Training Updates

Over the past couple of weeks we have launched a couple new courses in GNS3 that you should check out:

Level 21

Nice!  Just what a full-service company would do!

Level 11

Richard - any feedback for us on things we can improve on to help with your experience with GNS3?

Level 18

Excellent news !

Level 11

Thanks Jfrazier! Interest to know how you are using GNS3 at work or for personal use?

Level 21

Leverage Moore's Law and you'll make us all happy.  More power, more features, lower cost, or even free.

Level 11


Will always be free - you can count on that!

Level 20

Looks good!

Level 13

I really need to get into these and work toward my CCNA. I got the ICND1 passed, now just need 2

Level 13

Looks like GNS3 has a course that will take me through it! And it's on sale! The Complete Networking Fundamentals Course. Your CCNA start | GNS3 Academy

Dang! I'm gettin that now!