Re: [netmod] usage of ip-address in openconfig
"Acee Lindem (acee)" <acee@cisco.com> Wed, 20 April 2022 23:02 UTC
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From: "Acee Lindem (acee)" <acee@cisco.com>
To: Jürgen Schönwälder <j.schoenwaelder@jacobs-university.de>, Andy Bierman <andy@yumaworks.com>
CC: NetMod WG <netmod@ietf.org>
Thread-Topic: [netmod] usage of ip-address in openconfig
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Date: Wed, 20 Apr 2022 23:00:57 +0000
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References: <CABCOCHRMOfVL4=p9UfNJVgLE7fGEDmKKmOAariDHXFdm1b4iew@mail.gmail.com> <20220420213448.w4aex5cpthejkvvh@anna> <CABCOCHS-r3F-hT+wW1M724nAnq2LHZFPJzMruus_Y4TB8GtEqQ@mail.gmail.com> <20220420223440.7vouloqkv5illw2p@anna>
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Subject: Re: [netmod] usage of ip-address in openconfig
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On 4/20/22, 6:35 PM, "netmod on behalf of Jürgen Schönwälder" <netmod-bounces@ietf.org on behalf of j.schoenwaelder@jacobs-university.de> wrote: On Wed, Apr 20, 2022 at 02:51:35PM -0700, Andy Bierman wrote: > On Wed, Apr 20, 2022 at 2:34 PM Jürgen Schönwälder < > j.schoenwaelder@jacobs-university.de> wrote: > > > I am not sure it helps to look at individual data models but since > > openconfig is often presented as getting things right, here is what I > > find in openconfig-system-logging.yang > > > Not sure why this missing feature is relevant. I suggest that people questioning the need to support scoped IPv6 addresses in IETF YANG data models write an I-D explaining why IETF YANG data models do not need to support scoped IPv6 addresses and pass the I-D through the IPv6 working group. The question is not whether there is a single use case for IPv6 link local addresses with a zone. The question is whether the base pattern for IPv6 addresses should include a zone and whether one was expected for all the existing YANG model usages of inet:ipv6-address. I think that given the very narrow scope, the answer is clearly no. Additionally, the zone is only applicable to IPv6 link-local addresses yet the pattern in RFC 6991 allows the zone for ALL IPv6 addresses. This is also clearly wrong. Do you at least admit that IPv4 link-scoped addresses with zone have no useful purpose? Or are you going to try and argue that the ever-popular 169.254.0.0/16 addresses are an absolute requirement for YANG models and expected for every usage of inet:ipv4-address? Acee P.S. I would add that it is a good thing that syslog server can't be mapped to a link-local address with a zone in the Open-Config model. In general, IPv6 services such as syslog servers should be mapped to global IPv6 addresses. /js -- Jürgen Schönwälder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> _______________________________________________ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod
- [netmod] usage of ip-address in openconfig Andy Bierman
- Re: [netmod] usage of ip-address in openconfig Jürgen Schönwälder
- Re: [netmod] usage of ip-address in openconfig Andy Bierman
- Re: [netmod] usage of ip-address in openconfig Jürgen Schönwälder
- Re: [netmod] usage of ip-address in openconfig Acee Lindem (acee)
- Re: [netmod] usage of ip-address in openconfig Andy Bierman
- Re: [netmod] usage of ip-address in openconfig Acee Lindem (acee)
- Re: [netmod] usage of ip-address in openconfig Jürgen Schönwälder