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Re: [netconf] draft-ietf-netconf-udp-notif :: transport source IP/interface/VRF

Alex Huang Feng <alex.huang-feng@insa-lyon.fr> Wed, 20 March 2024 02:24 UTC

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From: Alex Huang Feng <alex.huang-feng@insa-lyon.fr>
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Date: Wed, 20 Mar 2024 11:24:26 +0900
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To: Ebben Aries <exa=40juniper.net@dmarc.ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/netconf/bBxVKODwEazLxUvGu4x-jvC_Jyg>
Subject: Re: [netconf] draft-ietf-netconf-udp-notif :: transport source IP/interface/VRF
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Hi Ebben,

Thanks for reaching out.
That’s a good point.
We can add the local-address (and local-port) in the UDP-notif model so that the operator can configure it optionally.

I will also add this local-address and local-port in the generic udp-client-grouping (draft-ietf-netconf-udp-client-server).

Regards,
Alex

> On 19 Mar 2024, at 13:42, Ebben Aries <exa=40juniper.net@dmarc.ietf.org> wrote:
> 
> Section 3.2 states
> 
> ---
>  If Message Publisher ID unicity is not preserved through the
>  collection domain, the source IP address of the UDP datagram SHOULD be
>  used in addition to the Message Publisher ID to identify the
>  information source.
> ---
> 
> It seems for configured "dial-out" transports, we are missing a
> definition of the source IP or interface (the latter of which would need
> a selection mechanism, prior a VRF reference) which is crucial for
> receivers to distinguish (generally an identity that is stable - e.g.
> loopback) sources.
> 
> I've only briefed through this draft and not other transports so this
> may very well apply to others as well
> 
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> netconf@ietf.org
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