Date: Thu, 09 Apr 2009 12:12:28 -0400 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Frederique Rijsdijk <frederique@isafeelin.org>, freebsd-questions@freebsd.org Subject: Re: combining network interfaces Message-ID: <44y6u96c2b.fsf@be-well.ilk.org> In-Reply-To: <49DE13D9.2070601@streamingedge.com> (Jacques Manukyan's message of "Thu\, 09 Apr 2009 11\:27\:21 -0400") References: <49DE11C2.90503@isafeelin.org> <49DE13D9.2070601@streamingedge.com>
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Jacques Manukyan <mlfreebsd@streamingedge.com> writes: > Frederique Rijsdijk wrote: >> Hello, >> >> Is there a way in FreeBSD to combine a number of network interfaces to >> one virtual interface on which I can tcpdump all the traffic of those >> interfaces at once? >> > > You're talking about bridging. Look at > http://www.freebsd.org/doc/en/books/handbook/network-bridging.html > > Section 31.5.7.1 is what you're asking for. I don't think he wants to forward the traffic between those interfaces, though; just dump them all together. I'm not sure, though. If I'm right, I don't think tcpdump can do that directly. One idea might be to run a firewall to choose the packets and to forward a copy to a dummy interface that can be monitored. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/
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