Head-to-head · Network Simulation Software
Cisco Modeling Labs vs NetSim by Tetcos
Cisco Modeling Labs leads on 0 checks, NetSim by Tetcos on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreCisco Modeling Labs · 9.2/10
- Free planboth
- Most featuresNetSim by Tetcos · 3 of 3
Cisco Modeling Labs scores higher on our rubric for network simulation software: 9.2 against 8.9 out of 10; our editors rank them #2 and #4.
NetSim by Tetcos offers hardware-in-the-loop; Cisco Modeling Labs doesn't. On deployment options, Cisco Modeling Labs gives you Server where NetSim by Tetcos offers Desktop.
Cisco Modeling Labs is the better fit for teams needing Cisco-focused lab automation. NetSim by Tetcos is the better fit for research-grade protocol and wireless simulation.
- Cisco Modeling Labs fits best
Teams needing Cisco-focused lab automation
- NetSim by Tetcos fits best
Research-grade protocol and wireless simulation
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Side by side
| Feature | Cisco Modeling Labs 9.2/10 Visit ↗ | NetSim by Tetcos 8.9/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.9 |
| Ranking | #2 in Network Simulation Software | #4 in Network Simulation Software |
| Best for | Teams needing Cisco-focused lab automation | Research-grade protocol and wireless simulation |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | — | Free plan · pricing on request |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Self-hosted | Desktop, Self-hosted |
| Platforms | Web, Linux, Windows, macOS | Windows |
| Support | Community, Docs | Email, Phone, Tickets, Docs |
| Integrations | 7 integrations | 4 integrations |
| Built for | Solo, Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features Cisco Modeling Labs 1/3 · NetSim by Tetcos 3/3 | ||
| Real-time emulation | Not checked yet | ✓ (best) |
| Hardware-in-the-loop | — | ✓ (best) |
| Automation API | ✓ | ✓ |
| Specs | ||
| Simulation model | Not checked yet | Discrete-event |
| Deployment options | Server | Desktop |
| Documented node limit | Not checked yet | 100 nodes |
| Our review | ||
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| Cons |
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| Our verdict | Cisco Modeling Labs is a network simulation platform for network engineers, students, educators, and enterprise teams. It provides an HTML5 interface for creating and managing virtual labs with Cisco and third-party virtual machine images.… Read the review → |
NetSim by Tetcos is a Windows-based packet-level, discrete-event network simulator and emulator for research, teaching, commercial industry, and defence work. It is suited to teams studying wired and wireless communication networks,… Read the review → |
Strengths and trade-offs
Cisco Modeling Labs — where it wins
- Cisco and third-party images with browser-based lab management
- REST APIs, Python automation, and integrations with pyATS, Ansible, and Terraform
- Clustering, external connectivity, Wireshark streaming, Docker, and KVM support
Where it doesn't
- Personal and Personal Plus are single-user plans with fixed node capacity
- CML Cloud Phase 1 is an invite-only proof of concept
- It does not emulate physical hardware or act as a discrete-event simulator
NetSim by Tetcos — where it wins
- Models 5G/6G, satellite, NTN, MANET, Wi-Fi, IoT, VANET, and SDN
- Combines real-time emulation with hardware-in-the-loop integration
- Supports Python, MATLAB, C source access, traces, dashboards, and batch automation
Where it doesn't
- Windows-based deployment limits platform flexibility
- Paid editions use contact-sales pricing
- Protocol source access applies to supported editions rather than the whole product
- Cisco Modeling Labs9.2/10 · Free plan
A Cisco-focused virtual lab with broad automation, integration, and deployment options.
Visit Cisco CMLFull verdict → - NetSim by Tetcos8.9/10 · Free plan · pricing on request
A research-focused simulator for detailed wired, wireless, and emulated network studies.
Visit NetSimFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update