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Date: Thu, 15 Jan 2004 16:50:57 +0100
From: Andre Oppermann <andre@freebsd.org>
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To: CHOI Junho <cjh@kr.FreeBSD.org>
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Subject: Re: FreeBSD -> Windows HTTP TCP performance
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CHOI Junho wrote:
> > I can't read the dump files with ethereal, it says they are corrupt.
> 
> > file *.tcpdump
> test-fbsd.tcpdump: tcpdump capture file (little-endian) - version 2.4 (Ethernet, capture length 120)
> test-w2k.tcpdump:  tcpdump capture file (little-endian) - version 2.4 (Ethernet, capture length 120)
> 
> I can read these files with 'tcpdump -r <file>'. They are captured
> with 'tcpdump -w <file> -p -v -s 120 -n -l host <ip>'.

Nope, doesn't work.  It complains about to large frames.

> > > net.inet.tcp.delayed_ack: 0
> >
> > It's better to have this turned on.
> 
> Some people or webpage recommends turning off delayed_ack for Windows
> clients. Which is true?

I never heard that before.  Unless there is very specific reason and
explanation I doubt it.

-- 
Andre