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From: Terry Lambert <tlambert@primenet.com>
Message-Id: <199709271142.EAA24360@usr04.primenet.com>
Subject: Re: 'fxp' driver/hardware lossage (was Re: Alexander B. Povol's mail)
To: Don.Lewis@tsc.tdk.com (Don Lewis)
Date: Sat, 27 Sep 1997 11:42:14 +0000 (GMT)
Cc: rgrimes@GndRsh.aac.dev.com, dg@root.com, tlambert@primenet.com,
        tarkhil@mgt.msk.ru, hackers@FreeBSD.ORG, stable@FreeBSD.ORG
In-Reply-To: <199709270811.BAA00487@salsa.gv.tsc.tdk.com> from "Don Lewis" at Sep 27, 97 01:11:51 am
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> } Only broken NIC chips are simplex, even the 82586 is actually capable
> } of hering itself talk on the wire, though most drives do not set
> } the chip into this mode.  Either way ``ethernet is _not_ a simplex
> } device''.
> 
> That's only true of coaxial media.  Over twisted pair, if you see
> data start arriving on the receive pair while your transmitting then
> you have to assume that the data is being sent by another station
> and you've got a collision situation.

Isn't this the hub's responsibility to distinguish and prevent?


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.