Hello, I am looking for a solution to create several virtual switches connected by a virtual router on a single linux pc. I would like to create a test, development or similar environments which has its own ip address space and use a single linux pc along with already available kvm/qemu/libvirt capability for the virtual machines or containers. I have understood that openvswitch can create virtual switches as the name suggests, but I have not been able to find any instructions related to creating a virtual router. I have seen some posts routing the these switches' traffic with kernels network configuration, but I am more looking for virtual switches/routers and their virtual interfaces without messing my host routing settings often and manually.
I will connect my custom build kvm/qemu containers or virtual machines to these enviroments. I have previously used vagrant, docker, proxmox but I do not want to use those tools since they have their specific attachments. My internet searches pointed me, open virtual networking (ovn) which claims to do virtual switches, routers etc and seems to be using openvswitch underneath. However ovn seems like it requires higher level of tooling or services such as openstack provides etc. I have not seen a proper package for that in arch linux as well which I am currently using. To make long story short: - Can I create several private network switches for such as 192.168.100.0/24, 192.168.101.0/24, 192.168.102.0/24 for host, test, development etc. and connect them to a virtual router and make these machines accessible from my lan via *openvswitch* in a reqular linux box. - If not, which toolset I can use to achive that. I am only interested in the networking stack, and I would like to be free of any other stack or technology such as openstack, proxmox, vagrant or docker which came as bundled with their services, image types etc. Any help much appreciated.
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