Re: I-D ACTION:draft-ietf-bfd-mib-01.txt

"Thomas D. Nadeau" <tnadeau@cisco.com> Mon, 11 July 2005 12:47 UTC

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From: "Thomas D. Nadeau" <tnadeau@cisco.com>
Date: Mon, 11 Jul 2005 08:47:30 -0400
To: Carlos Garcia Braschi <cgbraschi@gmail.com>
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Subject: Re: I-D ACTION:draft-ietf-bfd-mib-01.txt
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On Jul 11, 2005, at 5:46 AM, Carlos Garcia Braschi wrote:

>> Date: Fri, 08 Jul 2005 10:50:02 -0400
>> From: Internet-Drafts@ietf.org
>> Subject: I-D ACTION:draft-ietf-bfd-mib-01.txt
>> To: i-d-announce@ietf.org
>> Cc: rtg-bfd@ietf.org
>> Message-ID: <E1DquB0-00029R-Eq@newodin.ietf.org>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> A New Internet-Draft is available from the on-line Internet-Drafts  
>> directories.
>> This draft is a work item of the Bidirectional Forwarding  
>> Detection Working Group of the IETF.
>>
>>         Title           : Bidirectional Forwarding Detection  
>> Management Information Base
>>         Author(s)       : T. Nadeau, Z. Ali
>>         Filename        : draft-ietf-bfd-mib-01.txt
>>         Pages           : 24
>>         Date            : 2005-7-8
>>
>>
>
> Hi,
> I have two comments on this draft, probably quite trivial to correct:
> - The bfdSessDown notification is specified to be generated when the
> BFD session state changes to down or adminDown, making it a
> notification that the session has entered a down state.
>
> Since this does not exactly mean that there has been a disconnection
> detection, wouldn't it be better if it is only generated when
> transitioning to down or adminDown from the Up state?

     No, because we might want to notify also based on
sessions going down because they are really broken. I
think we want to handle BOTH cases.

> Transitions from init or adminDown to down or adminDown mean that the
> session has not been established since the last down state and
> transitions from down to
> adminDown are just an administrative change, that does not change the
> connectivity detection.
>
> - The draft mostly references BFD protocol version 0 and has 0 as a
> default version, but the syntax for the state follows version 1.
> Shouldn't it reference version 1 as the default BFD protocol?
> In the same line, the drafts referenced are the previous ward-katz
> drafts, instead of the ietf- ones.

     Will fix those.

     --Tom


>
> Regards,
> Carlos.
> --
> Telefonica Empresas
>

I-D ACTION:draft-ietf-bfd-mib-01.txt Internet-Drafts
I-D ACTION:draft-ietf-bfd-mib-01.txt Carlos Garcia Braschi
Re: I-D ACTION:draft-ietf-bfd-mib-01.txt Thomas D. Nadeau