From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Oledzki Subject: Re: incorrect cksum with tcp/udp on lo with 2.6.20/2.6.21/2.6.22 Date: Mon, 24 Sep 2007 11:44:19 +0200 (CEST) Message-ID: References: <20070924013005.GB22054@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-187430788-1510962583-1190627059=:26474" Cc: netdev@vger.kernel.org To: Herbert Xu Return-path: Received: from bizon.gios.gov.pl ([212.244.124.8]:49910 "EHLO bizon.gios.gov.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751637AbXIXJoj (ORCPT ); Mon, 24 Sep 2007 05:44:39 -0400 In-Reply-To: <20070924013005.GB22054@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---187430788-1510962583-1190627059=:26474 Content-Type: TEXT/PLAIN; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Mon, 24 Sep 2007, Herbert Xu wrote: > On Sun, Sep 23, 2007 at 11:18:58PM +0200, Krzysztof Oledzki wrote: >> >> Thank you for the information. Is there any easy way to turn them on? I >> need it for LVS. > > Do you really need it? Yes. I would like to use a LVS redirector as both a client and a director: http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.LVS-DR.html#direct= or_as_client_in_LVS-DR > The packets should be checksummed at the point where they physically > leave the host. So, with DR mode, packet goes by the lo device (with bad checksum) and=20 then get redirected outside. Unfortunately, when it leaves host it has bad= =20 checksum, too. :( Best regards, =09=09=09=09Krzysztof Ol=EAdzki ---187430788-1510962583-1190627059=:26474--