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Date:      Fri, 23 Nov 2007 18:19:14 -0800
From:      Julian Elischer <julian@elischer.org>
To:        "Joel V." <joel@smail.ee>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Welcome to Hell / Mysterious networking troubles on FreeBSD
Message-ID:  <47478A22.1020708@elischer.org>
In-Reply-To: <000001c82e1c$27909d50$0200a8c0@windsor>
References:  <000001c82e1c$27909d50$0200a8c0@windsor>

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Joel V. wrote:

> Netstat -a doesn't show anything interesting, arp -a doesn't show any
> incomplete addresses He tried to build and install a new fresh kernel.
> Nothing. This is the most creepy networking problem I've heard of. Can YOU
> help? Any ideas where to start looking?

tcpdump

you need 5 seconds of packet capture on the approproate interface

tcpdump -s0 -wcapture.out -i (interface) 
wait 5 seconds
^C

then you can talk with authority about what IS and IS NOT happenning on his network.

> 
> Thank you in advance!
> Joel
> 
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