Re: [v6ops] LAN-side NTP in rfc7084bis?

On Wed, 20 Mar 2024, 21:06 jordi.palet@consulintel.es, <jordi.palet=
40consulintel.es@dmarc.ietf.org> wrote:

> Yes, we should do that, not just for NTP.
>
> “Any protocol or service supported by the CE for IPv4 MUST be also
> supported for IPv6. The CE MAY support additional protocols or services
> even if not supported in IPv4"
>

Even more generally, I think a CE really should be a DHCPv6 relay for
options the upstream SP can provide, rather than being limited to what
DHCPv6 options the CE itself can support. LAN side stateful DHCPv6
addressing can be supported by handling IA_NA and IA_TA options locally.

IPv6 CE Device DHCPv6 Option Transparency
https://datatracker.ietf.org/doc/html/draft-smith-v6ops-ce-dhcpv6-transparency-00

Regards,
Mark.

>
>
> > El 20 mar 2024, a las 11:01, Gert Doering <gert@space.net> escribió:
> >
> > Hi,
> >
> > On Wed, Mar 20, 2024 at 11:07:17AM +1000, Timothy Winters wrote:
> >>> It occurred to me a bit late that a reasonable statement might be that
> >>> *if* a CE router supports NTP over IPv4 on the LAN side, then it MUST
> also
> >>> support it over IPv6; otherwise it can be a MAY.
> >>>
> >> That is a very good "late" thought.   The next revision, we'll take a
> stab
> >> at documenting that.
> >
> > I'd argue that this should be true for all 'non core' services offered
> > - like, "if the router offers file sharing services over IPv4, it MUST
> > also offer them over IPv6".  Or USB->LAN printer sharing, or...
> >
> > Not sure how to word that in a sufficiently generic way.
> >
> > Gert Doering
> >        -- NetMaster
> > --
> > have you enabled IPv6 on something today...?
> >
> > SpaceNet AG                      Vorstand: Sebastian v. Bomhard, Michael
> Emmer,
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