Re: [lvs-users] Handling Duplicate ACKs, and a Game of Pong.

To: Charlie Allom <charlie@xxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Handling Duplicate ACKs, and a Game of Pong.
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: chchen@xxxxxxx
Date: Fri, 25 Mar 2011 11:43:59 -0700
Are you running LVS-DR? I "fixed" this by changing to LVS-NAT.


Chris Chen <chchen@xxxxxxx>
Computing Infrastructure Services::UNIX
Office of Information Technologies
Portland State University

Quoting Charlie Allom <charlie@xxxxxxxxxxxxxx>:

> Hi Chris,
> Sorry to bring up an old thread. I'm wondering if anyone else has seen
> this:
> On Thu, Jun 10, 2010 at 01:24:05AM +0100, Chris Chen <chchen@xxxxxxx> wrote:
>> I upgraded these machines from el5.4 to 5.5 recently--there's been an
>> update to the bnx2 driver.
> I am seeing this too. I get 300Mbps of ACKs on lo0 on the backup
> realserver+director
> I noticed it doesn't happen on my debian lenny machines (older bnx2
> driver) but it does happen on my ubuntu lucid machines.
> Has anyone else seen this? Is there a fix that isn't "running old
> kernels" :)
> Regards,
>   C.
> --
>  +442077294797

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