GNS3 2.2.61 for Mac
Mac UtilitiesGNS3 is a network simulator that lets you build virtual networks on your own computer instead of buying racks of real hardware. Network engineers and students use it to draw a topology, connect virtual routers, switches and computers, and then test how traffic would behave before touching a live network. GNS3 works with several emulation technologies behind the scenes, including QEMU, Docker and Dynamips, and many people run the heavier parts inside the GNS3 virtual machine. The current stable release is version 2.2.61, while the 3.1 line is still in testing, so most Mac users should choose the stable build.
Features of GNS3
- Drag and drop network building with routers, switches, hosts and links
- Supports emulation through QEMU, Docker, Dynamips and virtual machines
- Save lab topologies as projects and return to them later
- Packet capture integration for studying traffic inside your lab
- Large community marketplace of ready made appliance templates
How to Download
GNS3 is free and open source, and the safe place to get it is the project site itself. Create a free account if the site asks, choose the Mac download for the stable release, and follow the official setup guides for connecting the GNS3 virtual machine. You can Download from the official site from the Free Download section.
Frequently Asked Questions
Is GNS3 free?
Yes. GNS3 itself is free and open source. Some network operating system images used inside labs are commercial and need their own licences.
Should I install the 3.1 alpha version?
Most people should not. The 3.1 branch is a testing release. Version 2.2.61 is the current stable release listed on the official site.
Does GNS3 include Cisco images?
No. GNS3 provides the lab environment only. You add device images that you already have the right to use.
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