Ethereal-dev: Re: [Ethereal-dev] How To have tethereal -r - read from STDIN?

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From: Jaime Fournier <jafour1@xxxxxxxxx>
Date: Mon, 15 Jul 2002 10:51:05 -0700 (PDT)
--- Guy Harris <gharris@xxxxxxxxx> wrote:
> On Fri, Jul 12, 2002 at 06:12:49PM -0700, Jaime
> Fournier wrote:
> > We have some devices on AIX that TCPDUMP can read
> from
> > fine, but libpcap does not support.
> 
> What devices are those?
> 
> Are you using libpcap 0.7.1 and, if so, is it built
> to use BPF or DLPI?
> 
The device in question are FDDI.
and yes I am using the latest libpcap.
Tried both BPF, and DLPI, 
BPF dies after a random number of packets, due to 

tethereal: Error while capturing packets: read: A
memory address is not in the address space for the
process.

I have had no luck with AIX's broken(undocuemented)
BPF. Thus I have had to go the dlpi route, which is
fine, so far for everything except FDDI.


You explained why tethereal can not read from a pipe.
Any way to "capture" from a pipe? 

Just curious if the semantics would be different
enough to prevent the multiseek issue.

Thanks.




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=====
Jaime Fournier

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