ddns-update-style ad-hoc; option T150 code 150 = string; subnet 10.1.1.0 netmask 255.255.255.0 { option routers 10.1.1.254; option subnet-mask 255.255.255.0; host foobar { hardware ethernet 00:55:33:66:00:BB; fixed-address 10.1.1.20; option host-name "foobar"; next-server 10.1.1.1; filename "/path/to/tftp/download/area/pxegrub"; option T150 "(nd)/path/to/tftp/download/area/menu.lst"; } }