Graphical Network Simulator-3
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| Developer(s) | Jeremy Grossmann, Dominik Ziajka, Piotr Pękala |
|---|---|
| Initial release | 2008 |
| Stable release | 3.0.5[1] 
/ 14 May 2025 |
| Repository | |
| Written in | Python |
| Type | Network simulator |
| License | GNU GPL |
| Website | gns3 |
Graphical Network Simulator-3 (shortened to GNS3) is a network software emulator first released in 2008.[2][3][4] It allows the combination of virtual and real devices, used to simulate complex networks. It uses Dynamips emulation software to simulate Cisco IOS.[2]: 55 [5]
GNS3 is used by many large companies including Exxon, Walmart, AT&T and NASA, and is also popular for preparation of network professional certification exams. As of 2015, the software has been downloaded 11 million times.[5]
References
- ^ "Release 3.0.5". 14 May 2025. Retrieved 25 May 2025.
- ^ a b Hassine, Jameleddine; Hamou-Lhadj, Abdelwahab (29–30 September 2014). "Toward a UCM-Based Approach for Recovering System Availability Requirements from Execution Traces". In Amyot, Daniel; Pau Fonseca i Casas; Mussbacher, Gunter (eds.). System Analysis and Modeling: Models and Reusability. 8th International Conference, SAM 2014. Vol. 8769. Valencia, Spain: Springer. pp. 48–63. ISBN 9783319117430.
- ^ Neumann, Jason C. (2015). The Book of GNS3: Build Virtual Network Labs Using Cisco, Juniper, and More. No Starch Press. ISBN 9781593276959.
gns3 book.
- ^ Welsh, "RedNectar" Chris (2013). GNS3 Network Simulation Guide. Packt Publishing Ltd. ISBN 9781782160816.
- ^ a b Fogarty, Susan. "GNS3 Network Simulator Raises Its Game". Network Computing. UBM Tech. Archived from the original on 30 May 2015. Retrieved 30 May 2015.
External links
Wikiversity has learning resources about GNS3
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