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R: Re: [Xen-users] bridge and tcpdump

from [rmarfisi@xxxxxxxxx]

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To:	<nice@xxxxxxxxxxxxxxx>, xen <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject:	R: Re: [Xen-users] bridge and tcpdump
From:	"rmarfisi@xxxxxxxxx" <rmarfisi@xxxxxxxxx>
Date:	Wed, 17 Sep 2008 18:46:45 +0200 (CEST)
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>If you listen on dom1 and the ping dom3 from dom2 then you mustn't see

>that traffic, because xen networking is not based on virtual hubs (which

>simly relay every packet to every port), but it's based on virtual
>switches, 
and switches intelligently forward the packets, only for the
>recipient. In 
this case dom1 is neither the sender nor the recipient.
>Try to listen on dom2 
(e.g. with "tcpdump -n -i eth0") and then ping
>dom2 from dom3. Now you should 
really see something.

is possible capture the traffic in the same mode we can 
sniffing a LAN?

if the bridge can't capable, in other way is possible?

thanks

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