Date: Wed, 12 Mar 2008 23:28:46 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: "d.s. al coda" <coda.trigger@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: TCP options order changed in FreeBSD 7, incompatible with some routers Message-ID: <20080312232607.J60219@odysseus.silby.com> In-Reply-To: <20080312231330.D60219@odysseus.silby.com> References: <f90b44e40803111756h517b373ala8afdff9395b7fac@mail.gmail.com> <20080312231330.D60219@odysseus.silby.com>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1861302967-1271846343-1205382526=:60219 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed On Wed, 12 Mar 2008, Mike Silbersack wrote: > I think we will need to fix tcpdump before trying to finish diagnosing this > problem. We were missing key information before. > > -Mike Hm, that was far easier than expected. Patch attached. Here's what the two tcpdumps show now: 6.3: IP A > B : S 2575736483:2575736483(0) ack 1762868649 win 65535 <mss 1460,sackOK,eol,eol> 7.0: IP A > B : S 3304309835:3304309835(0) ack 710421411 win 65535 <mss 1380,sackOK,eol,nop> That makes the problem quite a bit more clear. Anyone working on this issue should apply this patch ASAP. -Mike --1861302967-1271846343-1205382526=:60219 Content-Type: TEXT/PLAIN; charset=US-ASCII; name=tcpdump-opt_past_eol.patch Content-Transfer-Encoding: BASE64 Content-ID: <20080312232846.R60219@odysseus.silby.com> Content-Description: Content-Disposition: attachment; filename=tcpdump-opt_past_eol.patch LS0tIHByaW50LXRjcC5jLm9sZAkyMDA4LTAzLTEyIDIzOjIxOjUyLjAwMDAw MDAwMCAtMDUwMA0KKysrIHByaW50LXRjcC5jCTIwMDgtMDMtMTIgMjM6MjQ6 NTAuMDAwMDAwMDAwIC0wNTAwDQpAQCAtNjM3LDggKzYzNywxMCBAQA0KIAkJ CWlmIChkYXRhbGVuICE9IGxlbikNCiAJCQkJKHZvaWQpcHJpbnRmKCJbbGVu ICVkXSIsIGxlbik7DQogCQkJY2ggPSAnLCc7DQorI2lmIDANCiAJCQlpZiAo b3B0ID09IFRDUE9QVF9FT0wpDQogCQkJCWJyZWFrOw0KKyNlbmRpZg0KIAkJ fQ0KIAkJcHV0Y2hhcignPicpOw0KIAl9DQo= --1861302967-1271846343-1205382526=:60219--
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