On 03/12/2021 21:01, Cedric Lemarchand wrote: > We faced the same use case, and we end up doing something like this: > > - disable security on the network provider (or on the instance port > where pxe boot is needed) > - deploy or rescue the intance with an ipxe image > As for DHCP, you can very much use the OpenStack DHCP and just set the options like next-server / server-ip-address * https://docs.openstack.org/api-ref/network/v2/?expanded=update-port-detail#extra-dhcp-option-extra-dhcp-opt-extension * https://docs.openstack.org/neutron/latest/ovn/dhcp_opts.html and this IP then points to your VM with the TFTP and other PXE / iPXE tooling running. Regards Christian