The value of the object tmnxDhcpServerPoolMinFreeType specifies
whether tmnxDhcpServerPoolMinFree is expressed as an absolute number or
as a percentage.
When the value of this object is set to 'percent(1)', the accepted
range for tmnxDhcpServerPoolMinFree is limited between 0 and 100.
Default value is 'absolute(0)'.