Ethereal-users: Re: [ethereal-users] Packets not found

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From: Laurent Deniel <deniel@xxxxxxxxxxx>
Date: Fri, 27 Aug 1999 07:18:59 +0200
Philip Long wrote:
> 
>     I was trying to watch an IP seesion I was having on another of my
> machines on the same ethernet segment.  It did not show up. (Didn't show
> up with karpski either, and I recall that it used to).  If I had the
> other machine ping or http: or ftp the machine running ethereal, the
> conversation showed up fine.  But when the "target" machine carried on
> conversations with anything else (ie http://slashdot.org), nothing
> showed up.
> 
>     How can this be?  What can I do to fix this?  How can I help to
> debug?
> 

Which operating system ?

On some OS, you have to enable the promiscuous mode of the interface to
be able to see packets that are not destined to (or originated from) the
machine that do the packet filtering. On Tru64 for instance, this is 
achieve with the pfconfig <dev> +c +p command (see README.tru64).

Laurent.

--
Laurent DENIEL        | E-mail: deniel@xxxxxxxxxxx
Paris, FRANCE         |         laurent.deniel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
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