The Supplier Access Point attribute contains the access point of
 the DSA which supplied a copy of this naming context to this DSA.
 If the attribute has a value, it indicates which DSA supplied the
 shadow naming context. The Supplier Access Point attribute
 is read-only and single-valued.

 Syntax:
 	SHOW DSA NAMING CONTEXT <name> SUPPLIER ACCESS POINT

 where <name> is the identifier of a Naming Context entity.