[v6ops] Re: v6ops Digest, Vol 168, Issue 29

[Daryll Swer <[e-mail]>]

Tim, is there something we can do to encourage not only "more than a /64",
but also encourage "static ia_pd to ensure the customer will not experience
broken IPv6 connectivity due to ever changing prefixes".

Too many ISPs out there do dynamic IPs and breaks SLAAC on the LAN.

I feel this draft could be a powerful tool, in the hands of the end user to
get these ISPs doing the right way of IPv6 more often.

--
Sent from my iPhone


On Fri, 9 Aug 2024 at 7:37 PM, Timothy Winters <[e-mail]> wrote:

> Yes.  I've seen several instances of /64 being used for container networks
> on CPEs.
>
> ~Tim
>
> On Fri, Aug 9, 2024 at 9:38 AM The Multach's <[e-mail]> wrote:
>
>> So are these considered a LAN link prefix assignment under 7084 L2:
>>
>> - Assignment of a /64 prefix for internal IPv6 communication between a
>> primary SoC and a secondary chip (e.g., a Wi-Fi chip which uses IPv6).
>>
>> - Assignment of a /64 prefix for usage by an internal container or VM.
>>
>>
>> On 8/9/2024 7:56 AM, Timothy Winters wrote:
>> >
>> >
>> > On Thu, Aug 8, 2024 at 10:58 PM The Multach's <[e-mail]>
>> wrote:
>> >
>> >     The following, while being user focused, fails to take into
>> >     account that
>> >     some of those prefixes may be used internally (or reserved for
>> >     internal
>> >     use) by the CPE or for ISP purposes and not assignable:
>> >
>> >     "SHOULD" (or an elongated exception for the above) would be more
>> >     appropriate.
>> >
>> >     LPD-4: After LAN link prefix assignment the IPv6 CE Router MUST
>> >     make the
>> >     remaining IPv6 prefixes available to other routers via Prefix
>> >     Delegation.
>> >
>> > I think this covers that case.   After local assignment, unused
>> > prefixes MUST be made available.
>> > LPD-2:  The IPv6 CE Router MUST assign a prefix from the delegated
>> >            prefix as specified by L-2 [RFC7084].
>> >
>> > 7084
>> >    L-2:   The IPv6 CE router MUST assign a separate /64 from its
>> >           delegated prefix(es) (and ULA prefix if configured to provide
>> >           ULA addressing) for each of its LAN interfaces.
>> >
>> >
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>> >
>>
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