From owner-freebsd-net@FreeBSD.ORG Thu Jul 12 19:35:58 2007 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D759216A468 for ; Thu, 12 Jul 2007 19:35:58 +0000 (UTC) (envelope-from Stephen.Clark@seclark.us) Received: from smtpauth03.prod.mesa1.secureserver.net (smtpauth03.prod.mesa1.secureserver.net [64.202.165.183]) by mx1.freebsd.org (Postfix) with SMTP id 8B52013C4C1 for ; Thu, 12 Jul 2007 19:35:58 +0000 (UTC) (envelope-from Stephen.Clark@seclark.us) Received: (qmail 468 invoked from network); 12 Jul 2007 19:09:17 -0000 Received: from unknown (24.144.77.243) by smtpauth03.prod.mesa1.secureserver.net (64.202.165.183) with ESMTP; 12 Jul 2007 19:09:17 -0000 Message-ID: <46967C5C.5040505@seclark.us> Date: Thu, 12 Jul 2007 15:09:16 -0400 From: Stephen Clark User-Agent: Mozilla/5.0 (X11; U; Linux 2.2.16-22smp i686; en-US; m18) Gecko/20010110 Netscape6/6.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-net@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: 6.2 mtu now limits size of incomming packet X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Stephen.Clark@seclark.us List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Jul 2007 19:35:58 -0000 Hello, Did something change in 6.2? If my mtu size on rl0 is 1280 it won't accept a larger incomming packet. kernel: rl0: discard oversize frame (ether type 800 flags 3 len 1514 > max 1294) I don't think it worked this way in the past. Won't this affect pmtud? man page for ifconfig says mtu limits size of "transmission" not reception. "mtu n Set the maximum transmission unit of the interface to n, default is interface specific." TIA, Steve -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)