From owner-freebsd-questions@FreeBSD.ORG Thu Sep 1 17:55:37 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 17A0116A41F for ; Thu, 1 Sep 2005 17:55:37 +0000 (GMT) (envelope-from nalists@scls.lib.wi.us) Received: from mail.scls.lib.wi.us (mail.scls.lib.wi.us [198.150.40.25]) by mx1.FreeBSD.org (Postfix) with ESMTP id B7B7943D46 for ; Thu, 1 Sep 2005 17:55:36 +0000 (GMT) (envelope-from nalists@scls.lib.wi.us) Received: from [172.26.2.238] ([172.26.2.238]) by mail.scls.lib.wi.us (8.12.9p2/8.12.9) with ESMTP id j81HtXG1093608; Thu, 1 Sep 2005 12:55:33 -0500 (CDT) (envelope-from nalists@scls.lib.wi.us) Message-ID: <43173FC9.5050707@scls.lib.wi.us> Date: Thu, 01 Sep 2005 12:52:09 -0500 From: Greg Barniskis User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Bryan Albright References: <20050901124405.GA6432@darth-vader.org> <43171963.80502@mac.com> <20050901153458.GA39443@darth-vader.org> In-Reply-To: <20050901153458.GA39443@darth-vader.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: How can I stop "discard oversize frame" errors? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Sep 2005 17:55:37 -0000 Bryan Albright wrote: > On 09/01/05 at 11:08AM, Chuck Swiger wrote: > >>Bryan Albright wrote: >>[ ... ] >> >>>fxp0: discard oversize frame (ether type 800 flags 3 len 1573 > max 1514) >>>fxp0: discard oversize frame (ether type 800 flags 3 len 1533 > max 1514) >>>fxp0: discard oversize frame (ether type 5555 flags 3 len 1520 > max 1514) >>>fxp0: discard oversize frame (ether type 800 flags 3 len 1564 > max 1514) >>> >>>I have 2 NICs in my machine, both intel etherexpress pro: >> >>Try setting an mtu of 1450 or so. You can add that to the ifconfig lines >>in /etc/rc.conf, or run "ifconfig fxp0 mtu 1400" directly. >> > > > I've tried to do that, but the fxp cards do not seem to allow > modifying the mtu settings. It does have the capability of modifying > the vlanmtu, but I don't know if this will affect/help this issue. > Isn't this message being generated when the router sends a packet that exceeds fxp0's MTU, so... the solution is to tune the router's MTU, rather than fxp0? I am admittedly just guessing, but intuitively that seems right. -- Greg Barniskis, Computer Systems Integrator South Central Library System (SCLS) Library Interchange Network (LINK) , (608) 266-6348