ddns-update-style ad-hoc; option subnet-mask 255.255.255.0; option broadcast-address 192.168.0.255; option routers 192.168.0.1; option domain-name-servers 192.168.0.1; option domain-name "ltsp"; # You really should fix this option option-128 code 128 = string; option option-129 code 129 = text; get-lease-hostnames true; next-server 192.168.0.1; option root-path "192.168.0.1:/opt/ltsp/i386"; subnet 192.168.0.0 netmask 255.255.255.0 { range 192.168.0.100 192.168.0.199; if substring (option vendor-class-identifier, 0, 9) = "PXEClient" { filename "lts/2.6.17.3-ltsp-1/pxelinux.0"; } else{ filename "lts/vmlinuz-2.6.17.3-ltsp-1"; } }