You can add a web server and see if your firewall rules are effectively blocking the traffic, for example. By adding VMs in GNS3, you can make this network meaningful. With GNS3, you create a virtual network without end devices. For example, you could run a web server, an FTP server, or a custom application. With all of that, the machine will be exactly like a physical computer: you can run any software you like in it. Your physical computer will dedicate to it some RAM, some CPU, and some disk. In fact, the only limit for that is your CPU and RAM.Įach Virtual Machine not only has its own operating system, but it also has its own resources. In your physical PC, you might run multiple virtual machines simultaneously. A VM (Virtual Machine) is a virtual computer, running its own operating system. What can I do with VMs in GNS3?Īll in all, you can do a lot with VMs in GNS3.

New to GNS3? Get yourself ready with this awesome GNS3 tutorial.

In this lab, we will explain how to do that: connecting VMs in GNS3. With GNS3, you can add all the virtual servers you’d like. Adding real servers in your lab might be expensive, but not today. Without end-devices actually sourcing traffic, a network doesn’t make much sense. In fact, the purpose of any network is to move data from some devices to some others. However, a network made of just routers and switches is completely useless. Networks can be beautiful and complex with the only use of routers and switches.

Oracle vm virtualbox configure network