Cisco Packet Tracer is a powerful network simulation program that allows students to experiment with network behavior and ask 'what if' questions.
Best GNS3 Alternatives ranked by AI · updated May 2025
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GNS3 is a network software emulator that allows you to design complex network topologies and test them virtually.
Price: Free
🎯 gns3.com
Top 6 GNS3 alternatives
EVE-NG is a browser-based network emulation platform for assembling labs from virtual network appliances, servers, and security devices. It targets network engineers,...
Pros
- More realistic vendor appliance labs than Mininet
- Browser-based access simplifies centralized lab delivery
- Strong support for multi-vendor routing, switching, and security scenarios
Cons
- Usually needs more CPU, memory, and storage than Mininet
- Many appliance images require separate vendor licensing
- Less convenient for programmatic SDN topology generation
Free Community edition; paid Professional edition
3
VIRL is a network design and simulation environment from Cisco that provides a virtualized platform for network testing.
Pros
- Extensive device support
- Integrates with Cisco devices
Cons
- Costly for individual users
- Requires hardware resources
NetSim is a network simulation software that allows users to simulate and analyze network behaviors.
Starting from $99.99
HPE vLabs provides a virtual hands-on-lab environment for users to access and practice with HPE products and solutions.
Free trial available, pricing varies based on usage
Practice Labs offers hands-on virtual lab environments for IT professionals to gain practical experience.
Starting at $29/month
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