# dhcpd -d -tsv -cf tsv.conf -lf /tmp/tsv.leases # private use options option port-range-min code 240 = unsigned integer 16; option port-range-max code 241 = unsigned integer 16; allow unknown-clients; default-lease-time 1800; max-lease-time 7200; shared-network clients { subnet 172.16.1.64 netmask 255.255.255.255 { } subnet6 2001:db8:2::/48 { } } host Ubuntu-B4 { hardware ethernet 00:50:56:82:7a:fd; fixed-address 172.16.1.64; option port-range-min 1024; option port-range-max 1535; #option port-range-min 10240; #option port-range-max 10751; } host NG1 { hardware ethernet 74:44:01:8d:87:a1; fixed-address 172.16.1.64; option port-range-min 2048; option port-range-max 2559; #option port-range-min 11264; #option port-range-max 11775; } host sdb4_3 { hardware ethernet a0:21:b7:ac:e4:56; fixed-address 172.16.1.64; option port-range-min 3072; option port-range-max 3583; #option port-range-min 12288; #option port-range-max 12799; } shared-network servers { subnet5 2001:db8:1:a::/64 { } }