Bonding and duplicate TCP ACK-s with RedHat ES5

[Eugene Pik]

Hi Istvan,
Try that: http://www.linux-foundation.org/en/Net:Bonding

Hope it helps,
Eugene

On 4/5/08, Tétényi István <tetenyi at sztaki.hu> wrote:
>
> Hi,
>
> We have recently upgraded from  RedHat ES4 to ES5 on a Dell Blade 1855.
>
> In our configuration we use bonding mode = 1 on the gigabit ethernet
> interfaces internally, between the individual blades and the internal
> blade switches.
> Our intention is to have an active backup configuration.
>
> However, there were some errors.
>
> The most characteristic was that the number of connections that are in
> close_wait state has  increased significantly.
>
> After some sniffing, it turned out that there are dual TCP ACK-s
> arriving from the bonded ethernet interface.
>
> I wonder, if anyone has met this problem or has some advice how to remedy
> it
>
> Many thanks.
>
> Kind regards,
>   Istvan
>
> =====================================================================
>   Istvan Tetenyi                              e-mail:tetenyi at sztaki.hu<e-mail%3Atetenyi at sztaki.hu>
>   Computer and Automation Institute               phone: +361-279-6022
>   Budapest, Victor Hugo u 18-22                   fax:   +361-279-6021
>   H-1132. Hungary
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>
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