Date: Wed, 13 Dec 2006 12:09:06 +0100 From: Max Laier <max@love2party.net> To: Pete French <petefrench@ticketswitch.com> Cc: spork@bway.net, freebsd-stable@freebsd.org Subject: Re: pf killing NFS Message-ID: <200612131209.12687.max@love2party.net> In-Reply-To: <E1GuRv7-000DHq-OI@dilbert.ticketswitch.com> References: <E1GuRv7-000DHq-OI@dilbert.ticketswitch.com>
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[-- Attachment #1 --] On Wednesday 13 December 2006 12:05, Pete French wrote: > > As Luke already pointed out, "no-df" on the scrub rule should help. > > As=20 for the "bad cksum!" - this is a symptom of checksumming done > > in=20 hardware. ifconfig bge1 -rxcsum -txcsum should get rid of > > them. > > I am a bit concerned by this - we use a lot of bge interfaces, and I > have hardware checksumming enabled on all of them. Are they known to > produce bad checksums ? You are misunderstanding. The problem is simply that the bpf device sees bad checksums as it sees the packet before the hardware has calculated it. On the receiver the checksum will be correct. -- /"\ Best regards, | mlaier@freebsd.org \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | mlaier@EFnet / \ ASCII Ribbon Campaign | Against HTML Mail and News [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQBFf99YXyyEoT62BG0RAjq7AJ4zCMmm2BWOOYeJGA+GWQQwKtjVEQCeM6VL woTg+SBqDTtmWshFmEe5JJY= =t+II -----END PGP SIGNATURE-----
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