On 2006-10-20 16:24, [EMAIL PROTECTED] wrote:
> I have a Linux box with two Fast Ethernet interfaces.
> In two separate windows on the desktop I want to see
> all inbound ethernet frames (from the wire), but not
> the ethernet frames coming down the local network stack.
> In the left window tcpdump should run to catch all
> incoming ethernet frames from interface eth0.
> In the right window tcpdump should run to catch all
> incoming ethernet frames from interface eth1.
> All outgoing ethernet frames must not be displayed.
> Both tcpdump processes must run in parallel.
> 
> The keyword inbound cannot be used with link level.
> Which tcpdump expression solves the problem?

Have you tried

left window: not ether src mac:addr:of:eth0
right window: not ether src mac:addr:of:eth1

?

-- 
Jefferson Ogata <[EMAIL PROTECTED]>
NOAA Computer Incident Response Team (N-CIRT) <[EMAIL PROTECTED]>
"Never try to retrieve anything from a bear."--National Park Service
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