Ethereal-users: Re: [Ethereal-users] Ethereal displaying packets twice

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From: Gilbert Ramirez <gram@xxxxxxxxxx>
Date: Thu, 16 Nov 2000 15:25:06 -0500
On Thu, Nov 16, 2000 at 12:02:38PM -0800, Surendar Thaneer wrote:
> Hi,
> 
>        I am using the ethereal 0.8.9 on redhat linux envirnoment to sniff 
> the SNMP messages. The ethereal is displaying packets twice. Do any body 
> know the reason for it. Appreciate any suggestion or pointer to fixed this 
> problem.

Are you sniffing on the loopback interface? If so, this is a known
behaviour of Linux loopback with libpcap... it sees the packet both
coming and going.

--gilbert