option classless-static-routes code 121 = array of unsigned integer 8; send dhcp-client-identifier = hardware; request subnet-mask, broadcast-address, time-offset, routers, domain-name, domain-name-servers, domain-search, host-name, root-path, interface-mtu, classless-static-routes, netbios-name-servers, netbios-scope, ntp-servers, dhcp6.domain-search, dhcp6.fqdn, dhcp6.name-servers, dhcp6.sntp-servers;