Date: Fri, 9 Sep 2005 13:43:58 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Mike Hunter <mhunter@ack.berkeley.edu> Cc: Daniel Eischen <deischen@freebsd.org>, "Ryan P. Sommers" <ryans@rpsommers.com>, hackers@freebsd.org, Arne Schwabe <arne@rfc2549.org>, Andrea Campi <andrea+freebsd_hackers@webcom.it> Subject: Re: "Smart" Hubs Message-ID: <20050909204358.GC12395@odin.ac.hmc.edu> In-Reply-To: <20050909202849.GA46237@malcolm.berkeley.edu> References: <4321DDCA.8050902@rfc2549.org> <Pine.GSO.4.43.0509091539050.8605-100000@sea.ntplx.net> <20050909202849.GA46237@malcolm.berkeley.edu>
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--HG+GLK89HZ1zG0kk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 09, 2005 at 01:28:49PM -0700, Mike Hunter wrote: > On Sep 09, "Daniel Eischen" wrote: >=20 > > On Fri, 9 Sep 2005, Arne Schwabe wrote: > =20 > > > >I came in kinda late to this thread, but if you're trying to find > > > >a hub/switch in order to sniff network traffic, then you can always > > > >go for a switch that let's you monitor traffic on other ports. > > > >I know the Cisco's will let you do this, but I'd be suprised if > > > >you couldn't find it on some other cheaper switches. > > > > > > > > > > Or if you have 3 nics, use if_bridge. Or buy a really expensive manag= ed > > > switch, which allows you to mirror ports, vlans etc. > >=20 > > Well, is $175.00 US expensive? The Netgear FS726T can be had for > > about that price, and according to Netgear's web site, will support > > port monitoring. A 24-port switch may not be small enough for you, > > but if you look around enough, you might find something that is. >=20 > I think it violates specifications, but how about a physical copper "tap", > like a two-headed cable? Has anybody ever tried something like this? > Ethernet was designed in the days of shared media.... That would be what the link I posted earlier does. With full-duplex connections, you need two recieve lines to get traffic in both directions, but it does in fact work. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --HG+GLK89HZ1zG0kk Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFDIfQNXY6L6fI4GtQRAv3kAJ9TE0Iq3PQ2Le9Hd0gYU8RK7njiBACeOYm6 +FeXlN5Iot4OALtT41iT4RQ= =QSI6 -----END PGP SIGNATURE----- --HG+GLK89HZ1zG0kk--
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