-v Verbose, print some information.
-i Use DHCPINFORM packets. (DHCPINFORM is used by client with Static IP that just wants the DHCP Options. i.e. configuration)
-r Use DHCPREQUEST packets (default behaviour).
-q Quiet, print nothing on the screen.
-t maxwait Maximum time to wait for an answer from the server in seconds. Default is 3 seconds.
-c <client-ip-address> Request this IP address. Note that this is also the IP address the answer will be sent to.
-s <server-ip-address> Send the DHCP packet to this IP address.
-h client-hardware-address Use this hardware-address in the DHCP request. It can be up to sixteen octets separated by colons (i.e. 01:02:03:04)