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Based on our record, Mininet seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can learn routing even on a host in Linux with iptables as well as Linux network namespaces via mini net http://mininet.org/ etc. once you’re comfortable there you can start looking at docker networking and also frr as well as gns3 or eve-ng running virtualized routers. Source: about 2 years ago
Or instead of using Docker, you can also get a Mininet VM, (optionally) install a desktop environment on it and create any manner of network configurations to tinker with, and use Wireshark to analyse traffic. Source: about 2 years ago
You can learn BGP with mininet: https://mininet.org/ You can simulate arbitrarily large networks and internetworks with this, provided you have the hardware to run a large enough number of virtual appliances, but they are pretty lightweight. - Source: Hacker News / almost 3 years ago
ns-3 - a discrete-event network simulator for internet systems
FlexSim - Simulation software to model, simulate, predict, and visualize systems in manufacturing, material handling, healthcare, warehousing, mining, etc.
Cisco Packet Tracer - Download Cisco Packet Tracer, an innovative network simulation and visualization tool used by Cisco Networking Academy students and instructors.
GNS3 - GNS3 is a graphical network simulator that allows simulation of complex networks.
Cloonix - Cloonix is an open-source virtual network creation framework based on KVM licensed under the AGPLv3 license.
VNX - VNX is a simple, fast, and highly effective virtualization tool developed to assist you in creating virtual network testbeds automatically, resulting in time-saving.