[mrtg] Re: Any ethernet switch which always floods?

Larry Sheldon lsheldon at creighton.edu
Wed Oct 17 00:12:23 MEST 2001

I think the answer to my question is in here--but I'll need a bit of time
to think this through.

(See my comments to date, made before I had seen this--there are some hard
issues here.)

> A hub is inherently half-duplex, and we don't want to throttle the
> connections we're monitoring down to half-duplex. Also, when we use a tap to
> eavesdrop on a full-duplex connection, the cables coming out of the tap into
> the switch are output-only and not capable of dealing with collisions, so we
> need the switch to do the buffering it does with full duplex connections.
> What we're doing is inserting non-disruptive tap into a 100/full connection,
> and taking the output of that (two cables, representing traffic in each
> direction of that full duplex connection) and running it into a switch.

[snarfed for later analysis]
.                                                                       .
- L. F. (Larry) Sheldon, Jr.                                            -
. Unix Systems and Network Administration                               .
- Creighton University Computer Center-Old Gym                          -
. 2500 California Plaza                                                 .
- Omaha, Nebraska, U.S.A.  68178       Two identifying characteristics  -
. lsheldon at creighton.edu                  of System Administrators:     .
- 402 280-2254 (work)                Infallibility, and the ability to  -
. 402 681-4726 (cellular)               learn from their mistakes.      .
- 402 332-4622 (residence)                                              -
. http://www.creighton.edu/~lsheldon    Adapted from Stephen Pinker     .

Unsubscribe mailto:mrtg-request at list.ee.ethz.ch?subject=unsubscribe
Archive     http://www.ee.ethz.ch/~slist/mrtg
FAQ         http://faq.mrtg.org    Homepage     http://www.mrtg.org
WebAdmin    http://www.ee.ethz.ch/~slist/lsg2.cgi

More information about the mrtg mailing list