subnet 172.28.0.0 netmask 255.255.0.0 {
                option subnet-mask 255.255.0.0;
                option routers 172.28.1.254;
                option domain-name-servers 172.28.1.67, 172.28.1.69;
                option domain-name "tielab.helia.fi";
                filename "2.6.17.8-ltsp-1/pxelinux.0";
                use-host-decl-names on;
        host ws001 {
                hardware ethernet 00:0D:56:85:28:30;
                fixed-address 172.28.100.1;
        }