From: Krzysztof Oledzki <olel@ans.pl>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: netdev@vger.kernel.org
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) [thread overview]
Message-ID: <Pine.LNX.4.64.0709241128490.26474@bizon.gios.gov.pl> (raw)
In-Reply-To: <20070924013005.GB22054@gondor.apana.org.au>
[-- Attachment #1: Type: TEXT/PLAIN, Size: 728 bytes --]
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#director_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
then get redirected outside. Unfortunately, when it leaves host it has bad
checksum, too. :(
Best regards,
Krzysztof Olędzki
next prev parent reply other threads:[~2007-09-24 9:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-13 17:55 incorrect cksum with tcp/udp on lo with 2.6.20/2.6.21/2.6.22 Krzysztof Oledzki
2007-09-23 4:39 ` Herbert Xu
2007-09-23 21:18 ` Krzysztof Oledzki
2007-09-24 1:30 ` Herbert Xu
2007-09-24 9:44 ` Krzysztof Oledzki [this message]
2007-10-02 10:40 ` Herbert Xu
2007-10-02 14:15 ` Krzysztof Oledzki
2007-10-02 14:17 ` Herbert Xu
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