Simulation Emulation

Simulation

Cisco packet tracer.

VyOS

openvswitch

EVE-NG, GNS3

container-lab

GNS3
Containerlab
EVE-NG
Cisco Packet Tracer
Cisco Modeling Labs (CML)
netlab (ipSpace)

Router / Network Operating Systems

VyOS
RouterOS CHR
FRRouting (FRR)
BIRD
OpenBGPD

Virtual Switch / Routing Components

Open vSwitch
Network Device Images Used in Labs
Arista cEOS
Arista vEOS-Lab
ArubaOS-CX

General-Purpose Operating Systems Suggested for Networking Labs

OpenBSD
FreeBSD

Virtualization Platforms Mentioned

OpenStack
VMware ESXi
Proxmox VE
KVM

GNS3
Containerlab
EVE-NG
VyOS
FRRouting (FRR) + Open vSwitch
Arista cEOS/vEOS-Lab