Check Redhawk, and other similar fiber cable and connector
suppliers and you will find lots of 90%/10% optical splitters.
They may even have other varieties these days as my
practical experience with these is almost becoming dated... :-)
cheers,
--dr
On Fri, 03 Nov 2000, McNutt, Justin M. wrote:
> Ethereal will work.
>
> Such a device is known (at least here) as a "tap". There are optical and
> copper taps that do as you describe where the RX is redirected into your
> device.
>
> We are about to do exactly as you describe with an optical tap, Gig E links,
> and an ethereal box. As long as the Ethernet interface thinks it has a
> valid link (which it will since it will see light on the RX connector),
> Ethereal will be able to capture the packets. Nothing is sent during a
> packet capture.
>
> --J
>
> > -----Original Message-----
> > From: Gregory Trubetskoy [mailto:grisha@xxxxxxxxx]
> > Sent: Thursday, November 02, 2000 5:49 PM
> > To: ethereal-users@xxxxxxxx
> > Subject: [Ethereal-users] optical splitter?
> >
> >
> >
> > [I am not on this list, so please cc me on any replies]
> >
> > I have just come across the ethereal web page, and I would
> > appreciate it
> > if someone could tell me if it will work when sniffing is done via a
> > an optical splitter (we're talking GE over fiber, of course).
> >
> > This means that you have two network interface, and you have
> > to merge the
> > RX lines from each.
> >
> > Is ethereal capable of doing this? Could someone perhaps
> > suggest another
> > analyzer that does it?
> >
> > The environment is probably FreeBSD with alteon GE cards (if that
> > metters).
> >
> > Thanks!
> >
> > Grisha
> >
> >
> >
> > _______________________________________________
> > Ethereal-users mailing list
> > Ethereal-users@xxxxxxxxxxxx
> > http://www.ethereal.com/mailman/listinfo/ethereal-users
> >
>
> _______________________________________________
> Ethereal-users mailing list
> Ethereal-users@xxxxxxxxxxxx
> http://www.ethereal.com/mailman/listinfo/ethereal-users
--
Dragos Ruiu <dr@xxxxxxxxxx> dursec.com ltd. / kyx.net - we're from the future
gpg/pgp key on file at wwwkeys.pgp.net
