Date: Mon, 2 Sep 2002 01:30:04 -0700 (PDT) From: Harold Gutch <logix@foobar.franken.de> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/42137: Path MTU broken - initial too-large packet continuously resent Message-ID: <200209020830.g828U4x8081883@freefall.freebsd.org>
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The following reply was made to PR kern/42137; it has been noted by GNATS.
From: Harold Gutch <logix@foobar.franken.de>
To: freebsd-gnats-submit@FreeBSD.org, jeff@expertcity.com
Cc: martin.kaeske@stud.tu-ilmenau.de
Subject: Re: kern/42137: Path MTU broken - initial too-large packet continuously resent
Date: Mon, 2 Sep 2002 10:27:56 +0200
Hi,
I doubt that the problem is ipfilter-related for two reasons:
1) as the original poster stated, FreeBSD actually is aware that
it got a ICMP NEEDFRAG message, as it does lower the MTU for
that route - it just does not use the new, lowered, MTU.
2) I'm seeing the same without ipfilter, even with both, the
router and the client-machine being FreeBSD 4-STABLE. Neither
of the two have IPFILTER in the kernel, both have IPFIREWALL
(ipfw) in it.
bye,
Harold
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