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Date:      Wed, 12 May 1999 01:11:43 +0800
From:      Peter Wemm <peter@netplex.com.au>
To:        Snob Art Genre <ben@narcissus.net>
Cc:        Dennis Glatting <dennis.glatting@software-munitions.com>, Bill Paul <wpaul@skynet.ctr.columbia.edu>, current@FreeBSD.ORG, stable@FreeBSD.ORG
Subject:   Re: Anybody actually using gigabit ethernet? 
Message-ID:  <19990511171145.74BC81F72@spinner.netplex.com.au>
In-Reply-To: Your message of "Tue, 11 May 1999 12:38:58 -0400." <Pine.BSF.3.96.990511122739.19176B-100000@narcissus.net> 

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Snob Art Genre wrote:
> On Tue, 11 May 1999, Dennis Glatting wrote:
> 
> > In reading your message I felt compelled to ask you a question. Are
> > you using gb end-to-end? That probably isn't a good idea because in
> > TCP the sequence numbers can wrap within timeout periods and the data
> > stream become undetectably (from a TCP perspective) corrupt.
> 
> Isn't that adequately covered by the PAWS extension from RFC 1323?

Well, maybe it would, but....

[1:09am]~src/etc-111# grep tcp_ext defaults/rc.conf 
tcp_extensions="NO"             # Disallow RFC1323 extensions (or YES).

It's off by default. :-(

Cheers,
-Peter



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