# Cisco Modeling Labs (CML / VIRL)
> Cisco Modeling Labs (CML), formerly known as VIRL (Virtual Internet Routing Lab), is a premier network simulation platform that allows engineers to create virtual representations of real-world networks. It provides access to authentic Cisco OS images, enabling users to test configurations, troubleshoot protocols, and study for professional certifications in a safe, scalable environment.
- URL: https://optimly.ai/brand/cisco-modeling-labs-cml-virl
- Slug: cisco-modeling-labs-cml-virl
- BAI Score: 72/100
- Archetype: Challenger
- Category: Software
- Last Analyzed: April 11, 2026
## Competitors
- Cisco Packet Tracer (https://optimly.ai/brand/cisco-packet-tracer)
- Containerlab (https://optimly.ai/brand/containerlab)
- Eve Ng (https://optimly.ai/brand/eve-ng)
## Buyer Intent Signals
Problems: Physical Hardware Lab: Using physical Cisco routers and switches connected via serial or ethernet cables in a dedicated server rack.
Solutions: best cisco network simulator for ccnp lab | cisco virl replacement | how to run ios-xr in a virtual environment | network simulation for devops ci/cd pipelines | virtualized router testing for enterprise netops | GNS3 (Graphical Network Simulator-3): An open-source multi-vendor network emulator that allows for complex network topologies using real NOS images. | EVE-NG (Emulated Virtual Environment Next Generation): A powerful network emulation environment often used for multi-vendor testing and preparation for service provider certifications.
Comparisons: cisco modeling labs vs gns3