What’s the best? Packet Tracer? GNS? VIRL? Physical Equipment? This is the forth of multiple videos discussing the advantages and disadvantages of each platform. In this video we discuss the advantages and disadvantages of Cisco VIRL.
Cisco Packet Tracer: https://www.netacad.com/about-networking-academy/packet-tracer
Cisco VIRL: http://virl.cisco.com/
Download Cisco IOS images for GNS3: https://goo.gl/GckpmU
Get $200 worth of network software for free here: https://goo.gl/613TUF