RFC1155-SMI DEFINITIONS ::= BEGIN
    nullOID       OBJECT IDENTIFIER ::= { ccitt 0 }
    internet      OBJECT IDENTIFIER ::= { iso org(3) dod(6) 1 }
    directory     OBJECT IDENTIFIER ::= { internet 1 }
    mgmt          OBJECT IDENTIFIER ::= { internet 2 }
    experimental  OBJECT IDENTIFIER ::= { internet 3 }
    private       OBJECT IDENTIFIER ::= { internet 4 }
    enterprises   OBJECT IDENTIFIER ::= { private 1 }
END