Date: Sat, 27 Sep 1997 15:53:29 -0600 (MDT) From: Wes Peters - Softweyr LLC <softweyr@xmission.com> To: tom@sdf.com (Tom) Cc: stable@freebsd.org Subject: Re: 'fxp' driver/hardware lossage (was Re: Alexander B. Povol's mail) Message-ID: <199709272153.PAA20526@xmission.xmission.com> In-Reply-To: <Pine.BSF.3.95q.970927095731.16078A-100000@misery.sdf.com> from "Tom" at Sep 27, 97 10:02:04 am
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David E. Cross informed us:
% Technically this is not even a colission situation. Many new NICs and
% Hubs (both must support it to work) support full-duplex 10BaseT, allowing
% 20MBits/sec. I am not sure what happens when it gets into the hub and
% needs to be propogated to other ports though *shrug*.
Tom replied:
> That is an etherswitch. Etherswitches learn which ports are using what
> MAC addresses, and only direct traffic to the right ports. Etherswitches
> are basically bridges with lots of ports. They even support bridging
> protocols like 802.1d to support networks with lots of interconnected
> switches.
>
> A hub is just a repeater. It may detect some kinds of errrors, but
> probably just jabber errors.
Apparently, Tom, you've never heard of a "smart hub." There are
10-Base hubs will will "autopartition" and lock out a port *before* it
can generate a collision. Yes, there really is a difference between
$80 hubs and $200 hubs!
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
http://www.xmission.com/~softweyr softweyr@xmission.com
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