Select the Options tab.
Choose Create from the Edit menu.
The Create Options dialog box opens.
Type a short descriptive name for the new option.
The name may contain up to 128 alphanumeric characters including spaces.
Type or select values for each setting in the dialog box.
Refer to Table 4–9 for information about each setting.
Select Notify DHCP Server of Change if you are finished creating options.
You can now add the option to macros and assign a value to the option to pass to clients.