isc dhcp option 121 and option 249 static routes info

gistfile1.txt

# defines the type of data used to send the static routing information
# rfc3442
option classless-routes-lin code 121 = array of unsigned integer 8;
option classless-routes-win code 249 = array of unsigned integer 8;


subnet                          192.168.1.0 netmask 255.255.255.0 {
  range                         192.168.1.100 192.168.1.200;
  option domain-name-servers    192.168.1.5, 192.168.1.7;
  option domain-name            "t.home";
  option server.ddns-domainname "t.home";
  option subnet-mask            255.255.255.0;
  option routers                192.168.1.1;
  option broadcast-address      192.168.1.255;
  option voip-tftp-server       192.168.1.26;
         default-lease-time     604800;
         max-lease-time         86400;
  option ntp-servers            192.168.1.9;
  option classless-routes-lin   24, 192,168,2, 192,168,1,254, 0, 192,168,1,1;
  option classless-routes-win   24, 192,168,2, 192,168,1,254;
}


the subnet mask is in the front as CIDR notation and truncates the ip address, the default gateway is just 0