Re: comments on draft-ietf-iplpdn-frmib-dte-04.txt

Caralyn Brown <cbrown@baynetworks.com> Wed, 10 May 1995 22:55 UTC

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From: Caralyn Brown <cbrown@baynetworks.com>
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To: Fred Baker <fred@cisco.com>
Cc: John Shriver <jas@shiva.com>, cbrown@baynetworks.com, carvalho@cisco.com, iplpdn@CNRI.Reston.VA.US
Subject: Re: comments on draft-ietf-iplpdn-frmib-dte-04.txt
In-Reply-To: <v02120c12abd573106e49@[171.69.128.114]>
References: <v02120c12abd573106e49@[171.69.128.114]>

On Tue,  9 May, Fred Baker (fred@cisco.com) wrote:

> At 3:20 PM 5/9/95, John Shriver wrote:
> >The object:
> >
> >    frDlcmiState OBJECT-TYPE
> >        SYNTAX INTEGER      {
> >            noLmiConfigured (1),
> >            lmiRev1         (2),
> >            ansiT1_617_D    (3),  -- ANSI T1.617 Annex D
> >            ansiT1_617_B    (4),  -- ANSI T1.617 Annex B
> >            ccitt_933_A     (5)   -- CCITT Q933 Annex A
> >        }
> >        MAX-ACCESS   read-write
> >        STATUS   current
> >        DESCRIPTION
> >           "This variable states which Data  Link  Connec-
> >           tion Management scheme is active (and by impli-
> >           cation, what DLCI it uses) on the  Frame  Relay
> >           interface."
> >       REFERENCE
> >          "Draft American National Standard T1.617-1991"
> >      ::= { frDlcmiEntry 2 }
> >
> >Is missing one value, in my reckoning.  ANSI T1.617a-1994 revises
> >Annex D in an incompatible way.  (Thanks, ANSI!  The "element
> >identifier" of "Link integrity verification information element" is
> >changed from 0x19 to 0x03.)
> 
> What idiot did that? Did they do anything useful with the protocol (tell
> you the Bc/Be/throughput values, perhaps) that would justify implementing
> it?
> 
> >I'd say it should be revised to:
> >
> >    frDlcmiState OBJECT-TYPE
> >        SYNTAX INTEGER      {
> >            noLmiConfigured   (1),
> >            lmiRev1           (2),  -- Interim LMI Revision 1
> >            ansiT1_617_D      (3),  -- ANSI T1.617-1991 Annex D
> >            ansiT1_617_B      (4),  -- ANSI T1.617-1991 Annex B
> >            ccitt_933_A       (5),  -- CCITT Q933 Annex A
> >            ansiT1_617_1994_D (6)   -- ANSI T1.617a-1994 Annex D
> >        }
> >        MAX-ACCESS   read-write
> >        STATUS   current
> >        DESCRIPTION
> >           "This variable states which Data  Link  Connec-
> >           tion Management scheme is active (and by impli-
> >           cation, what DLCI it uses) on the  Frame  Relay
> >           interface."
> >        REFERENCE
> >           "American National Standard T1.617-1991.
> >           American National Standard T1.617a-1994.
> >           ITU-T Recommendation Q.933 (03/93)."
> >
> >(Note also that many of the ANSI standard references are outdated.)
> 
> Caralyn, Charles, your opinions? Anyone else?
> 
Looks like I fell a little behind on my email.  Sorry.  Anyway, I think I
agree that if ansi changed their coding, we probably need to address it in
the mib.  Let's add the new type as suggested.  I assume it's not too late
with the latest revision still pending.

c

-- 
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Caralyn Brown             Voice: 508-436-3835
Bay Networks              Internet: cbrown@wellfleet.com
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