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Re: WPD-6, WAA-8, and WAA-9 of draft-ietf-v6ops-ipv6-cpe-router-04
In your letter dated Tue, 6 Apr 2010 10:24:44 +0200 you wrote:
>> I prefer to avoid unnumbered links. I think it is much less confusing =
>> source addresses of error ICMPs are always addresses from the =
>> generated the error.
>these two paragraphs are mutually exclusive. you cannot require that an
>ICMP error is sourced from the interface that generated the error and at
>the same time require that a router use the strong host model.
In the strong host model, every interface has a global address and some way
of forwarding packets to a default router.
So the interface that generates the ICMP uses it's own address as the source
of the ICMP and forwards it to a default router, which is typically the system
itself because we are talking about a router, but it could be an default