RE: Observing duplicate frame captures in TCPDU MP

["Kraus, Jeffery" <Jeffery.Kraus () uscellular com>]

The machine is Redhat 9, and it is just receiving frames from the network.
It does not have an IP address bound to the adaptor so it should not be
generating any frames itself.

Here is the Kernal details:
uname -a
Linux usc-schaum-sniff 2.4.20-8 #1 Thu Mar 13 17:54:28 EST 2003 i686 i686
i386 GNU/Linux

Jeffery Kraus
Data Services Engineer
773.216.3179 (cell)
224.653.3720 (office)
224.653.3766 (fax)


-----Original Message-----
From: Guy Harris [mailto:guy () alum mit edu]
Sent: Friday, December 19, 2003 6:06 PM
To: Kraus, Jeffery
Cc: 'tcpdump-workers () tcpdump org'
Subject: Re: [tcpdump-workers] Observing duplicate frame captures in
TCPDUMP



On Dec 19, 2003, at 2:41 PM, Kraus, Jeffery wrote:

> Whenever I run captures I always get every packet displayed twice. I 
> have
> seen numerous emails regarding this issue, but no real fix. I am 
> currently
> using eth4 as the capture interface and I do not have an IP address 
> bound to
> it.

On what OS are you running this?

Is the machine running tcpdump sending or receiving those packets, or 
is it just passively capturing other machines' traffic on a network?
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