Ethereal-users: [Ethereal-users] Capturing on multiple interfaces simultaneously

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From: "McNutt, Justin M." <McNuttJ@xxxxxxxxxxxx>
Date: Wed, 6 Nov 2002 10:36:15 -0600
Okay, here's a new twist:

To properly capture on a gigabit fiber connection, one uses a fiber tap, which slices off some of the optical signal and redirects it.  This means that you have to tap two physical fibers (RX and TX), each of which must be connected to the RX connector on a separate NIC.

In other words, it takes two GigE NICs to receive the two halves of a gigabit fiber tap.

The problem is:  How does one capture on both of these NICs simultaneously?  Can ethereal do this?  I seem to remember that at one time it could capture on all interfaces at once, but I don't remember seeing something that would let it capture on only two or three interfaces in a machine that has many NICs.

Help?

Thanks!

Justin McNutt
Network Systems Analyst
DNPS, Mizzou Telecom
(573) 882-5183

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
        -- Linus Torvalds