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Re: [Int-area] [EXTERNAL] Re: [IPv6] New Draft - ICMPv6 Loopback

"Robinson, Herbie" <Herbie.Robinson@stratus.com> Wed, 07 June 2023 12:20 UTC

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From: "Robinson, Herbie" <Herbie.Robinson@stratus.com>
To: Florian Obser <florian+ietf@narrans.de>, Luigi IANNONE <luigi.iannone=40huawei.com@dmarc.ietf.org>
CC: "ipv6@ietf.org" <ipv6@ietf.org>, "int-area@ietf.org" <int-area@ietf.org>
Thread-Topic: [EXTERNAL] Re: [Int-area] [IPv6] New Draft - ICMPv6 Loopback
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Date: Wed, 07 Jun 2023 12:20:22 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/int-area/9nXTlTkWj31b33BM7_0C9Bk-zEI>
Subject: Re: [Int-area] [EXTERNAL] Re: [IPv6] New Draft - ICMPv6 Loopback
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What about taking advantage of the ICMP error mechanism?

>From Phone
________________________________
From: Int-area <int-area-bounces@ietf.org> on behalf of Florian Obser <florian+ietf@narrans.de>
Sent: Wednesday, June 7, 2023 8:15:21 AM
To: Luigi IANNONE <luigi.iannone=40huawei.com@dmarc.ietf.org>
Cc: ipv6@ietf.org <ipv6@ietf.org>; int-area@ietf.org <int-area@ietf.org>
Subject: [EXTERNAL] Re: [Int-area] [IPv6] New Draft - ICMPv6 Loopback

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On 2023-06-07 11:42 UTC, Luigi IANNONE <luigi.iannone=40huawei.com@dmarc.ietf.org> wrote:
> For FreeBSD it looks like code MUST be 0 or the packet is dropped:
>

this is coming from KAME so everything that derives from there has
this. E.g. it's also present in OpenBSD & NetBSD.

> (file netinet6/icmp6.c line 550: http://fxr.watson.org/fxr/source/netinet6/icmp6.c#L550<http://fxr.watson.org/fxr/source/netinet6/icmp6.c#L550>)
>
>
> case ICMP6_ECHO_REQUEST:
> icmp6_ifstat_inc(ifp, ifs6_in_echo);
> if (code != 0)
> goto badcode;
>
>
> Ciao
>
> L.

--
In my defence, I have been left unsupervised.

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