Learn how to configure an NFV appliance with GNS3. In this video we discuss importing and configuring a Cisco CSR 1000v with GNS3.
Free software worth $200: https://goo.gl/613TUF
CSR Part 1: https://youtu.be/5yypbiX1vlI
VIRL image downloads: https://virl.mediuscorp.com/my-account/
Cisco IOS Software Download: https://software.cisco.com/download/navigator.html
GNS3 Download: https://gns3.com/
GNS3 Support (Go here if you need help): https://gns3.com/community