>>>>> Randy Presuhn writes: Randy> I've folded your four points (plus a general mention of OID Randy> rather than shared index references) into the text. It is of course not just OIDs. Types like InterfaceIndexOrZero are basically designed to be used for pointers. /js -- Juergen Schoenwaelder <http://www.informatik.uni-osnabrueck.de/schoenw/>