Originally designed as a learning tool for the Cisco Networking Academy, Packet Tracer provides a simplified "drag-and-drop" interface for building network topologies.
If you are focused on academic research or protocol development, NS-3 is the gold standard. Unlike GNS3 or Packet Tracer, NS-3 is a discrete-event simulator primarily used via C++ and Python scripting. Researchers, academics, and protocol developers. network simulation tools free download
Go to the EVE-NG download page to get the ISO or OVA file to run on your local server or workstation. 4. NS-3 (Network Simulator 3) Originally designed as a learning tool for the
Supports multi-vendor environments including Juniper, Arista, and MikroTik. network simulation tools free download