[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]
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