GNS3 Laboratories

To use GNS3, download and install the GUI application and the GNS3 VM from the official GNS3 web site.

A series of tutorials on the GNS3 installation can be found on YouTube here.

  1. Lab #1 - LAN: hub
  2. Lab #2 - Two LANs connected by a router
  3. Lab #3 - Two LANs connected by two routers
  4. Lab #4 - Two hosts and a DHCP server
  5. Lab #5 - Two hosts, a DHCP/NAT router and a NAT cloud
  6. Lab #6 - OSPF
  7. Lab #7 - OSPF with multiple areas
  8. Lab #8 - LAN: switch
  9. Lab #9 - A switch with two isolated VLANs
  10. Lab #10 - Two VLANs spanning two switches
  11. Lab #11 - Two VLANs connected by a router on a stick

Last updated: 17/10/2023 by Roberto Canonico