From owner-freebsd-current Sun Oct 5 17:02:43 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id RAA17877 for current-outgoing; Sun, 5 Oct 1997 17:02:43 -0700 (PDT) (envelope-from owner-freebsd-current) Received: from usr05.primenet.com (tlambert@usr05.primenet.com [206.165.6.205]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id RAA17871 for ; Sun, 5 Oct 1997 17:02:40 -0700 (PDT) (envelope-from tlambert@usr05.primenet.com) Received: (from tlambert@localhost) by usr05.primenet.com (8.8.5/8.8.5) id QAA25214; Sun, 5 Oct 1997 16:59:48 -0700 (MST) From: Terry Lambert Message-Id: <199710052359.QAA25214@usr05.primenet.com> Subject: Re: Which PCI Ethernet card is best for FreeBSD-current? To: phk@critter.freebsd.dk (Poul-Henning Kamp) Date: Sun, 5 Oct 1997 23:59:47 +0000 (GMT) Cc: tom@uniserve.com, sthaug@nethelp.no, jas@flyingfox.com, freebsd-current@FreeBSD.ORG In-Reply-To: <5652.875828050@critter.freebsd.dk> from "Poul-Henning Kamp" at Oct 2, 97 11:34:10 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > >However, currently ethernet interfaces that do not have carrier/link > >active, still show us UP. I wish that loss of carrier/link would force > >the interface into a DOWN state automatically. I realize this would > >require some driver changes. > > Well, go for it :-) Question: If I DOWN an interface, do that effect its own transmission of carrier/link? If do, this would mean that: 1) You would not be able to use FreeBSD for hubs; someone has to be up first, and whoever it is would go immediately back down. 2) You would not be able to come back up automatically in a noisy environment; you would need human intervention. 3) Similar to #1, you would not be able to use a reversing cable to connect two machines directly without a hub. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.