At our previous article ”Installing Ubuntu KVM Virtualization Host” we have installed a Virtualization Host. Actually standard installation already made some network configurations for us. As you can see below our virtualization host has a bridge network virbr0. This bridge network will be used by our virtual machines and they will receive an IP number from [...]

If you want to access the services on your KVM machines from Internet, it is most likely that you would need a bridge network interface. Let’s see how you can define a bridge network on Ubuntu. conditions