DHCP client settings/options Identifier used by client to identify itself to the DHCP server Override system host-name sent to DHCP server #include Host-name must be alphanumeric and can contain hyphens Use MTU value from DHCP server - ignore interface setting Identify the vendor client type to the DHCP server #include #include IP addresses or subnets from which to reject DHCP leases ipv4 IPv4 address to match ipv4net IPv4 prefix to match