From owner-freebsd-net@FreeBSD.ORG Mon Aug 8 19:13:43 2005 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E9A7C16A41F for ; Mon, 8 Aug 2005 19:13:43 +0000 (GMT) (envelope-from pete@he.iki.fi) Received: from rms06.rommon.net (rms06.rommon.net [212.54.5.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 926E643D46 for ; Mon, 8 Aug 2005 19:13:42 +0000 (GMT) (envelope-from pete@he.iki.fi) Received: from [193.64.42.234] (dyn234.helenius.fi [193.64.42.234]) by rms06.rommon.net (Postfix) with ESMTP id 43A1733C1B; Mon, 8 Aug 2005 22:13:31 +0300 (EEST) Message-ID: <42F7AEDC.2000002@he.iki.fi> Date: Mon, 08 Aug 2005 22:13:32 +0300 From: Petri Helenius User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Steve Shorter References: <20050808195214.GA14241@nomad.lets.net> In-Reply-To: <20050808195214.GA14241@nomad.lets.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org Subject: Re: 1000BaseSX 1000BaseLX confusion? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Aug 2005 19:13:44 -0000 Steve Shorter wrote: >Howdy! > > I was wondering how come the listed media types supported >by sk(4) and em(4) is only 1000BaseSX. Even for single mode >1000BaseLX NICs such as sk 9841 and Intel PWLA8490LX, ifconfig >show the media type as 1000BaseSX. Though the NIC appears to operate in >single mode connected to a LX switch port ok. > > From what I can understand SX supports only multimode fibre >and LX supports both. > > How come there isn't 1000BaseLX for a displayed media type, and >is it really single mode? > > The driver does not make a difference between the optics installed on the card. Maybe it should? Pete