Re: [Technical Errata Reported] RFC4443 (6153)

Töma Gavrichenkov <ximaera@gmail.com> Mon, 22 February 2021 21:22 UTC

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From: =?UTF-8?Q?T=C3=B6ma_Gavrichenkov?= <ximaera@gmail.com>
Date: Tue, 23 Feb 2021 00:22:37 +0300
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Subject: Re: [Technical Errata Reported] RFC4443 (6153)
To: Ole Troan <otroan@employees.org>
Cc: RFC Errata System <rfc-editor@rfc-editor.org>, Daniel Ginsburg <dginsburg@gmail.com>, IPv6 IPv6 List <ipv6@ietf.org>, Brian Haberman <brian@innovationslab.net>
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Peace,

On Mon, Feb 22, 2021, 11:50 PM Ole Troan <otroan@employees.org> wrote:

> Töma,
>
> I have read your errata.
> I am not  sure I understand the ambiguity. Could you try to explain it in
> more detail
>

Consider a case when the source IP is link-local and the destination is
global, yet the routing happens in the same VLAN.

Per RFC 4007, the packet should be transmitted; however, RFC 4443 allows
for an ambiguity which is already causing vendors to reject packets in this
case.

--
Töma