Package dynamips

Cisco Router Emulator

https://github.com/GNS3/dynamips

Dynamips is an IOS emulator with hypervisor, allowing users
to run several IOS images (in particular 3600 and 7200 series) as fully
functional routers

General Commands
Command Description
dynamips Cisco router simulator
nvram_export Cisco NVRAM configuration export
Miscellanea
Name Description
hypervisor_mode allows you to run simultaneously many virtual router instances, and to simulate...