Date: Thu, 13 Sep 2007 12:29:30 -0400 From: "Brian McCann" <bjmccann@gmail.com> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: Bridging and port mirroring Message-ID: <2b5f066d0709130929w7c4aa02ax4bc25282ff7122c5@mail.gmail.com>
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I've poked around on the web, but come up empty. And I find it hard to believe there's not a simple way to do this, if it hasn't been done before. I've got a server with two nics configured for bridging and running bunches of ipfw rules. I'd like to add a 3rd NIC and have it mirror the 2nd NIC (so all traffic into and out of nic2 goes to nic3), so I can run an IDS on another server. Yes, I know that has the potential to overload nic3 if there is a lot of traffic going in and out of nic2, but that's not an issue for me. Has anyone done this before, or know how to do this? Thanks, --Brian
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