Hi Andrew,
What the document dated from 2011 mentions does not matter too much.
What is key is the Cisco internal document that contains the Cisco IPFIX
registry.
So when I wrote " I don't feel comfortable having an errata on a
Cisco-specific IPFIX", I actually meant: " I don't feel comfortable
having an errata on a Cisco-specific IPFIX without Cisco approving this".
Regards, Benoit
On 2/5/2024 7:12 PM, Andrew Feren wrote:
Hi Benoit,
I see your point about not having an errata on a Cisco RFC. That
being said….
It appears that the IANA page has listed forwardingStatus(89) as
unsigned8 since 2018. Also CCO-NF9FMT
<http://www.cisco.com/en/US/technologies/tk648/tk362/technologies_white_paper09186a00800a3db9.html>,
the other cisco document referenced for forwardingStatus(89), is
pretty unambiguous that forwardingStatus(89) is 1 byte. Beyond that I
don’t have strong feelings about this. The different int sizes never
seemed all that useful to me anyway since mostly it is the size sent
in the template that matters.
-Andrew
*From: *IPFIX <ipfix-boun...@ietf.org> on behalf of Benoit Claise
<benoit.claise=40huawei....@dmarc.ietf.org>
*Date: *Monday, February 5, 2024 at 12:37 PM
*To: *mohamed.boucad...@orange.com <mohamed.boucad...@orange.com>,
Aitken, Paul <pait...@ciena.com>, Joe Clarke (jclarke)
<jcla...@cisco.com>, opsawg@ietf.org <opsawg@ietf.org>
*Cc: *t...@ietf.org <t...@ietf.org>, ts...@ietf.org <ts...@ietf.org>,
6...@ietf.org <6...@ietf.org>, ip...@ietf.org <ip...@ietf.org>
*Subject: *Re: [IPFIX] errata eid7775 RE: [**EXTERNAL**] RE: WG LC:
IPFIX documents
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Hi Paul,
On 1/23/2024 12:14 PM, mohamed.boucad...@orange.com wrote:
4.3. forwardingStatus
In particular, the registered Abstract
Data Type is unsigned8, while it must be unsigned32.
Why must it be?
*/[Med] As per the definition in RFC7270./*
I've opened an errata for that:
https://www.rfc-editor.org/errata/eid7775
*/[Med] I don’ think an erratum applies here because the intent of
7270 is clearly unsigned32:/*
While you and I were working on NetFlow at Cisco when we wrote the RFC
7270, I don't feel comfortable having an errata on a Cisco-specific IPFIX.
Anyway, what is the issue with keeping unsigned32, should we be
liberal in what we accept?
And we know that the reduced-size encoding
(https://datatracker.ietf.org/doc/html/rfc7011.html#section-6.2) will
be used anyway. It's not even useful to have this sentence ("
IPFIX reduced-size encoding is used as required") in the description
but I can live with it.
Regards, Benoit
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