Tools like Containerlab , GNS3 (with a facelift), or even Python libraries like NetworkX + Mininet have created an ecosystem where spinning up 50 routers takes exactly 2 seconds and a YAML file.
No, not the expensive enterprise software from the early 2000s. I’m talking about the modern, lightweight, scriptable network simulators that are putting a data center in your laptop’s RAM. In the last few years, a new breed of tool has emerged. Forget clunky GUI drag-and-drops. Think CLI-first, container-native, Git-friendly simulation. netsim network simulator
git clone https://github.com/srl-labs/containerlab cd containerlab sudo containerlab deploy -t clab-demo/frr-01.clab.yml Tools like Containerlab , GNS3 (with a facelift),
No, you don’t. Not for 90% of what you do. Tools like Containerlab
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