If you need to pass client information for which there is not already an existing option in the DHCP protocol, you can create an option. See the dhcp_inittab(4) man page for a list of all the options that are defined in Solaris DHCP before you create your own option.
You can use the dhtadm -A -s command or DHCP Manager's Create Option dialog box to create new options.
The following figure shows DHCP Manager's Create Option dialog box.