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Re: [BEHAVE] [Softwires] PMTU Discovery and ICMPv6 filtering

Rémi Després <remi.despres@free.fr> Mon, 08 February 2010 17:48 UTC

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From: Rémi Després <remi.despres@free.fr>
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Date: Mon, 08 Feb 2010 18:49:01 +0100
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To: Dave Dolson <ddolson@sandvine.com>
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Cc: softwires@ietf.org, "Templin, Fred L" <Fred.L.Templin@boeing.com>, Behave WG <behave@ietf.org>, Ed Jankiewicz <edward.jankiewicz@sri.com>
Subject: Re: [BEHAVE] [Softwires] PMTU Discovery and ICMPv6 filtering
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Le 8 févr. 2010 à 16:13, Dave Dolson a écrit :

> As for ICMP black-holes, is this likely to be standard practice with
> ICMP6 as well (vs. being done to protect old IPv4 routers from attacks
> on their expensive control-path processing) ?

Does anyone know a reference where a good reason would be documented to Discard ICMP error messages, even when they contain valid addresses?
(In the absence of such good reason, forwarding them should IMHO be MUST.)

RD

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