group { site-option-space "pxelinux"; option pxelinux.magic f1:00:74:7e; if exists dhcp-parameter-request-list { # Always send the PXELINUX options (specified in hexadecimal) option dhcp-parameter-request-list = concat(option dhcp-parameter-request-list,d0,d1,d2,d3); } option root-path "/tftpboot/"; next-server 10.0.0.1; # filename "hardy-installer/amd64/pxelinux.0";