Description:
GUI for the Dynamips Cisco router emulator
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Type: Cask
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Latest Version: 3.0.6@0
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Tracked Since: Dec 28, 2025
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Links:
Homepage |
@GNS3 |
formulae.brew.sh
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Category: Networking
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Tags:
networking
emulator
cisco
virtualization
lab
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Install:
brew install --cask gns3
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About:
GNS3 is a powerful network emulation platform that allows users to design, build, test, and troubleshoot complex virtual network topologies. It connects real and virtual devices, including Cisco routers, switches, and firewalls, providing a realistic simulation environment for hands-on learning and validation.
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Key Features:
- Graphical network designer for topology creation
- Support for real device images (IOS, JunOS, ASA)
- Integration with VirtualBox, QEMU, and Docker
- Packet capture and traffic analysis tools
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Use Cases:
- Network engineer certification preparation (CCNA, CCNP)
- Pre-deployment testing of network configurations
- Protocol behavior analysis and troubleshooting
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Alternatives:
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EVE-NG
– EVE-NG is a web-based alternative often favored for enterprise-scale labs, while GNS3 offers a more accessible desktop-centric interface.
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Cisco Packet Tracer
– Packet Tracer is a proprietary simulator for Cisco learning, whereas GNS3 uses real network operating systems for higher fidelity.
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| Detected |
Version |
Rev |
Change |
Commit |
| Jan 28, 2026 4:17pm |
3.0.6 |
0 |
VERSION_BUMP |
33629fe5 |
| Aug 6, 2024 1:00pm |
2.2.49 |
0 |
VERSION_BUMP |
ab7fd66e |
| Jul 12, 2024 6:51pm |
2.2.48.1 |
0 |
VERSION_BUMP |
7d43367b |
| Jul 11, 2024 9:10am |
2.2.48 |
0 |
VERSION_BUMP |
21c8a28f |
| Jul 8, 2024 6:41pm |
2.2.48 |
0 |
VERSION_BUMP |
1698c248 |
| Jan 12, 2024 8:48am |
2.2.45 |
0 |
VERSION_BUMP |
fd6daf86 |
| Nov 7, 2023 1:40am |
2.2.44.1 |
0 |
VERSION_BUMP |
ba620a1e |
| Nov 6, 2023 10:53am |
2.2.44 |
0 |
VERSION_BUMP |
1f116684 |
| Sep 19, 2023 11:16am |
2.2.43 |
0 |
VERSION_BUMP |
8e3ec948 |
| Jun 10, 2023 9:02pm |
2.2.40.1 |
0 |
VERSION_BUMP |
fc455275 |
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