Welcome to Hell / Mysterious networking troubles on FreeBSD

[Julian Elischer]

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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