Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261582AbUKCM4X (ORCPT ); Wed, 3 Nov 2004 07:56:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261584AbUKCM4W (ORCPT ); Wed, 3 Nov 2004 07:56:22 -0500 Received: from mx1.redhat.com ([66.187.233.31]:45456 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261582AbUKCM4M (ORCPT ); Wed, 3 Nov 2004 07:56:12 -0500 Message-ID: <4188D55D.7000200@redhat.com> Date: Wed, 03 Nov 2004 07:55:57 -0500 From: Neil Horman User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.0; hi, Mom) Gecko/20020604 Netscape/7.01 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Tim Warnock CC: linux-kernel@vger.kernel.org Subject: Re: ipv4 arp and linux References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1646 Lines: 45 Tim Warnock wrote: > What arp packet size does a linux 2.4 series kernel use? How would it be > made bigger? > 64 bytes is the minimum packet size of an ethernet frame (which includes the CRC). ARP requests don't take up that much space so the kernel pads them out to be large enough. A tcpdump will show you exactly how it looks. > I'm having a problem where a cisco switch is ignoring me because (according > to the guys who operate it) the arp spec for 802.3 is 64 bytes and im not > doing that. > 802.3 stipulates 64 bytes for all ethernet frames. If you have a program that is somehow sending frames smaller than that, yes, you (or something) is broken. How exactly are you sending frames that you think are too small? Neil > Im not subscribed to the list, so if I could be cc'd I'd appreciate it. > > Hope someone can help me, and thanks for taking the time to read this. > > Tim > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- /*************************************************** *Neil Horman *Software Engineer *Red Hat, Inc. *nhorman@redhat.com *gpg keyid: 1024D / 0x92A74FA1 *http://pgp.mit.edu ***************************************************/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/