KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, that provides the core virtualization infrastructure and a processor specific modules. Using KVM, one can run multiple virtual machines running unmodified Linux images. Each virtual machine has private virtualized hardware: a network card, disk, graphics adapter, etc.

Benefits and use cases:

  • VyOS supports the Kernel-Based Virtual Machine (KVM) hypervisor on Linux operating systems. Like other virtualization platforms, the Linux KVM provides the ability to run multiple virtual systems on a single hardware platform. VyOS provides a prebuilt Linux KVM image that runs on the KVM. This image has a number of Linux KVM-specific modifications and optimizations.
  • The main strength of this setup is that since all machines use the VYOS router to connect outside, you can simulate real-world IPs and VLANS of any size and range. This ensures that you can just have the same exact configuration for your real deployment in this configuration.

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