Open-Source Network Simulators (2026 Edition)
Brian Linkletter's updated overview highlights containerlab and GNS3 as leading open-source network simulators, suggesting a shift towards netlab with containerlab and phasing out Vagrant support due to licensing issues.
MAIN POINTS
- Containerlab and GNS3 are leading open-source network simulators.
- Vrnetlab is becoming obsolete, but Roman Dodin's fork offers a solution.
- Focus is suggested on using netlab with containerlab, reducing Vagrant support.
- Contributions for a netlab-GNS3 interface are encouraged.
TAKEAWAYS
- Transitioning to containerlab and netlab is recommended due to vrnetlab's decline.
- Licensing changes in Vagrant are causing dissatisfaction among users.
- Community contributions can enhance netlab's integration with GNS3.
- Feedback and comments on the overview are encouraged for further discussion.