https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/6/html/virtualization_host_configuration_and_guest_installation_guide/chap-virtualization_host_configuration_and_guest_installation_guide-libvirt_network_booting
Chapter 15. Network Booting with libvirt | Virtualization Host Configuration and Guest Installation...
Chapter 15. Network Booting with libvirt | Virtualization Host Configuration and Guest Installation Guide | Red Hat Enterprise Linux | 6 | Red Hat Documentation
network bootinghost configurationand guestchapterlibvirt