GNS3 2.8



Publisher Description



GNS3 is a graphical network simulator that allows you to design complex network topologies. You may run simulations or configure devices ranging from simple workstations to powerful Cisco routers. It is based on Dynamips, Pemu/Qemu and Dynagen.
GNS3 is used by hundreds of thousands of network engineers worldwide to emulate, configure, test and troubleshoot virtual and real networks. GNS3 allows you to run a small topology consisting of only a few devices on your laptop, to those that have many devices hosted on multiple servers or even hosted in the cloud.
GNS3 is open source, free software that you can download from http://gns3.com
It is actively developed and supported and has a growing community of over 800,000 members. By joining the GNS3 community you will be joining fellow students, network engineers, architects and others that have downloaded GNS3 over 10 million times to date. GNS3 is used in companies all over the world including Fortune 500 companies.
GNS3 can help you prepare for certification exams such as the Cisco CCNA, but also help you test and verify real world deployments. Jeremy Grossman, the original developer of GNS3 originally created the software to help him study for his CCNP certifications. Because of that original work, you can today use to help you do the same without paying for expensive hardware.
Network Function Virtualization (NFV) is a hot topic of discussion today in networking circles, but GNS3 has been virtualizing network devices for over 10 years. Originally only emulating Cisco devices using software called Dynamips, GNS3 has now evolved and supports many devices from multiple network devices including Cisco virtual switches, Cisco ASAs, Brocade vRouters, Cumulus Linux switches, Docker instances, HPE VSRs, multiple Linux appliances and many others. Go here to see a list of appliances available: https://gns3.com/marketplace/appliances
TIP: GNS3 has been around for over 10 years. Some information you will find on the Internet is outdated or unfortunately entirely incorrect. This document will hopefully help answer questions and help you get started on your journey with GNS3.
TIP: GNS3 does not only support Cisco devices. Cisco is often discussed because that is what most network engineers are interested in learning about. However, many other commercial and open source vendors are supported today in GNS3. You are now able to test interoperability between many vendors and even try out esoteric setups using network technologies with SDN, NFV, Linux and Docker.
Recommendation: If you are using an older version of GNS3, it is recommended that you upgrade to the current stable release of GNS3 (v 1.5). Once you are more experienced using GNS3 you can start using version 2 which is currently in alpha.


About GNS3

GNS3 is a free software published in the Other list of programs, part of System Utilities.

This program is available in English. It was last updated on 19 March, 2024. GNS3 is compatible with the following operating systems: Linux, Mac, Windows.

The company that develops GNS3 is dominikgns3. The latest version released by its developer is 2.8. This version was rated by 61 users of our site and has an average rating of 4.2.

The download we have available for GNS3 has a file size of 19.98 MB. Just click the green Download button above to start the downloading process. The program is listed on our website since 2020-05-07 and was downloaded 50,174 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded software with your antivirus. Your antivirus may detect the GNS3 as malware if the download link is broken.

How to install GNS3 on your Windows device:

  • Click on the Download button on our website. This will start the download from the website of the developer.
  • Once the GNS3 is downloaded click on it to start the setup process (assuming you are on a desktop computer).
  • When the installation is finished you should be able to see and run the program.



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Users Rating:  
  4.2/5     61
Downloads: 50,174
Updated At: 2024-03-19
Publisher: dominikgns3
Operating System: Linux, Mac, Windows
License Type: Free