>> Beyond the core of Chris' discuss, there are some interoperability
> concerns that should be addressed.  The common name
>> attribute is a directoryString, which can be encoded using any of
> several different string types.  As described, the
>> MAC address can always be encoded using a PrintableString.  While I
> would suggest verifying this against the installed
>> base, the specification should indicate which string type is used 
>> with
> the common name attribute to represent the MAC
>> address.