> I was copying the structure of the Printer MIB, but didn't know
> why some things were done in the Printer MIB.
>
> 1. Why the extra level of OID for each Group and table.
>
> If a group consists only of a table is it necessary to have the
> extra OID level? See below for extract of Printer MIB
Yes, every table MUST be structured prefix.table.entry.object. There is
also a convention to have the MIB divided into groups, each with a
subtree.
> 2. Why was the first group assigned to printmib 5, instead of printmib 1?
>
> (printmib 2 is assigned to Conformance at the end).
I don't remember. Did we delete some groups at the beginning?
> 3. Should the Job Monitoring MIB do 1 and 2 the same as the Printer MIB
>or not?
Definitely on #1, maybe on #2 (depends on whether it was for a good reason).
Steve
>
> Thanks,
> Tom
>
> >Date: Wed, 16 Apr 1997 00:22:12 -0700
> >To: Ron Bergman <rbergma@dpc.com>
> >From: Tom Hastings <hastings@cp10.es.xerox.com>
> >Subject: Re: Comments on the Job MIB version 0.8
> >Cc: harryl@us.ibm.com, bpenteco@boi.hp.com
> >
> >At 18:12 04/15/97 PDT, Ron Bergman wrote:
> >>These are just some comments on the structure of the MIB. I believe
> >>that the text will require some real "wordsmithing" and maybe this
> >>can be best accomplished in a conference call.
> >>
> >> 1. We have the objects jmGeneral, jmJobId, jmJobState, and jmAttribute
> >> which appear to be just titles for the defined groups. Each of
> >> these objects has an associated table. I am not sure why these
> >> exist, as I have never noticed a similar structure in any other
> >> MIB. These do add an extra number to every OID in the MIB. What
> >> other purpose do these objects serve?
> >>
> >> If there is not a valid justification for these objects, I would
> >> recommend that they be removed and have the tables at the level
> >> immediately below jobMonMib.
> >
> >I don't know why the extra level of OIDs is done, but I was just following
> >the precedence in RFC 1759, which has for the General group (and all the
> >other groups):
> >
> >-- The General Printer Group
> >--
> >-- The general printer sub-unit is responsible for the overall control
> >-- and status of the printer. There is exactly one general printer
> >-- sub-unit in a printer.
> >--
> >-- Implementation of every object in this group is mandatory.
> >
> >prtGeneral OBJECT IDENTIFIER ::= { printmib 5 }
> >
> >prtGeneralTable OBJECT-TYPE
> > SYNTAX SEQUENCE OF PrtGeneralEntry
> > MAX-ACCESS not-accessible
> > STATUS current
> > DESCRIPTION
> > "A table of general information per printer.
> > Objects in this table are defined in various
> > places in the MIB, nearby the groups to
> > which they apply. They are all defined
> > here to minimize the number of tables that would
> > otherwise need to exist."
> > ::= { prtGeneral 1 }
> >
> >prtGeneralEntry OBJECT-TYPE
> > SYNTAX PrtGeneralEntry
> > MAX-ACCESS not-accessible
> > STATUS current
> > DESCRIPTION
> >
> >>
>
>