From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: Wrong padding of short packets send by a tagged-vlan interface? Date: Mon, 07 Jul 2008 14:06:23 -0700 Message-ID: <4872854F.80603@candelatech.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, kaber@trash.net To: Krzysztof Oledzki Return-path: Received: from mail.candelatech.com ([66.165.47.212]:37880 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755846AbYGGVGf (ORCPT ); Mon, 7 Jul 2008 17:06:35 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Krzysztof Oledzki wrote: > Hello, > > I have a problem that I'm not able to connect from selected linux hosts > to a newly installed Netware 6.5 server. After two days of debugging I > discovered that the problem seems to be caused by an insufficient > padding of a .1q tagged packets. Last time this came up I looked up the RFC and according to it there is no need to pad beyond the normal 60 + 4, vlan tag or not. This is a bug in your intervening switch and/or Netware unless you actually see packets leaving Linux with less than 60 + 4 bytes. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com