update dhcp_parameter_type set allow_host = 'yes' where name = 'default-lease-time';
update dhcp_parameter_type set allow_host = 'yes' where name = 'filename';
update dhcp_parameter_type set allow_host = 'yes' where name = 'get-lease-hostnames';
update dhcp_parameter_type set allow_host = 'yes' where name = 'max-lease-time';
update dhcp_parameter_type set allow_host = 'yes' where name = 'min-lease-time';
update dhcp_parameter_type set allow_host = 'yes' where name = 'min-secs';
update dhcp_parameter_type set allow_host = 'yes' where name = 'next-server';
update dhcp_parameter_type set allow_host = 'yes' where name = 'use-lease-addr-for-default-route';
