default-lease-time 600; max-lease-time 7200; option rfc-3442-classless-static-routes code 121 = array of integer 8; subnet 192.168.0.0 netmask 255.255.240.0 { range 192.168.10.20 192.168.10.40; option rfc-3442-classless-static-routes 24,172,16,2,192,168,10,254; } host GW-eth0{ hardware ethernet 42:00:aa:00:00:02; fixed-address 172.16.2.254; } host GW-eth1{ hardware ethernet 42:00:aa:00:00:04; fixed-address 192.168.10.254; } subnet 172.16.2.0 netmask 255.255.255.0 { range 172.16.2.20 172.16.2.254; }