From owner-freebsd-questions Thu Sep 24 07:23:25 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id HAA06182 for freebsd-questions-outgoing; Thu, 24 Sep 1998 07:23:25 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from laker.net (jet.laker.net [205.245.74.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id HAA06175 for ; Thu, 24 Sep 1998 07:23:23 -0700 (PDT) (envelope-from sfriedri@laker.net) Received: from nt (digital-pbi-168.laker.net [208.0.233.68]) by laker.net (8.9.0/8.9.LAKERNET.NO-SPAM.SPAMMERS.AND.RELAYS.WILL.BE.TRACKED.AND.PROSECUTED.) with SMTP id KAA03231; Thu, 24 Sep 1998 10:23:18 -0400 Message-Id: <199809241423.KAA03231@laker.net> From: "Steve Friedrich" To: "freebsd-questions@FreeBSD.ORG" , "The Man In Black" Date: Thu, 24 Sep 1998 10:22:57 -0400 Reply-To: "Steve Friedrich" X-Mailer: PMMail 98 Professional (2.01.1600) For Windows NT (4.0.1381;3) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Subject: Re: Packet Collisions Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 24 Sep 1998 05:20:15 -0700, The Man In Black wrote: >Can anyone point me to a source or tell me if there is an easy way to do >packet collision diagnoses? > >I have noticed the collision light on my HUB (Linksys 5-port 10BT) light up >more often then the past. It doesn't happen alot during modem operations >since its so slow..but at a higher speed transfer...like If I transfer a 5 >meg file from the unix box to my windows machine the collision light on the >HUB stays pegged the whole time. > >I thought this was from using a cheap network card clone, so i upgraded my >ethernet cards. both the unix box and my windows machine are using high >quality PCI 3COM cards..but I'm still getting these collisions. I have also >tried a number of different RJ-45 cables...nothing helps. Collisions are a common occurance on Ethernet due to it's design. You can read about it in the following excellent book: Lan Tutorial With Glossary of Terms : A Complete Introduction to Local Area Networks (Lan Networking Library) ~ Usually ships in 24 hours Steve Steinke (Editor), et al / Paperback / Published 1996 Our Price: $21.56 ~ You Save: $5.39 (20%) Available at http://www.amazon.com/ Unix systems measure "uptime" in years, Winblows measures it in minutes. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message