From owner-freebsd-stable Sat Sep 27 14:53:51 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id OAA14839 for stable-outgoing; Sat, 27 Sep 1997 14:53:51 -0700 (PDT) Received: from xmission.xmission.com (softweyr@xmission.xmission.com [198.60.22.2]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id OAA14834 for ; Sat, 27 Sep 1997 14:53:46 -0700 (PDT) Received: (from softweyr@localhost) by xmission.xmission.com (8.8.5/8.7.5) id PAA20526; Sat, 27 Sep 1997 15:53:30 -0600 (MDT) From: Wes Peters - Softweyr LLC Message-Id: <199709272153.PAA20526@xmission.xmission.com> Subject: Re: 'fxp' driver/hardware lossage (was Re: Alexander B. Povol's mail) To: tom@sdf.com (Tom) Date: Sat, 27 Sep 1997 15:53:29 -0600 (MDT) Cc: stable@freebsd.org In-Reply-To: from "Tom" at Sep 27, 97 10:02:04 am X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@freebsd.org X-Loop: FreeBSD.org Precedence: bulk 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