This testvar must be explicitly defined in the configuration file
This testvar can appear multiple times in a configuration file. Each instance must take the form dhcpClientReservedIp
Unique DHCP reservations can be defined using instances of the dhcpClientReservedIp and dhcpClientReservedMac testvars.
After defining an instance of this testvar, you may also define the corresponding instance of the following testvars: dhcpClientReservedMac