Re: Combining ethernet devices for sniffing

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Harry Hoffman wrote:
Hi Ed,

There are 4 interfaces:

eth0 -> transport
eth1 -> unused
eth2 -> sniff
eth3 -> sniff

eth2,3 are plugged into a fiber tap and each card carries 1 direction of the bidirectional traffic.

I would like to combine them to form a single interface for things like tcpdump, tethereal, snort, etc. I don't want eth0,1 to be a part of it.

I see.... Well, I guess I can't help you much. I normally use the tcpdump and ethereal with "any" and then filter on the nets of interest. For my needs it has been sufficient.


--
"A common mistake that people make when trying to design something
completely foolproof was to underestimate the ingenuity of complete
fools."

--Ford Prefect in "Mostly Harmless".

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