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Re: Ultra Monkey Config

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Ultra Monkey Config
From: Horms <horms@xxxxxxxxxxxx>
Date: Wed, 29 Jun 2005 10:48:13 +0900
On Tue, Jun 28, 2005 at 04:07:43PM +0100, Graeme Fowler wrote:
> On Tue 28 Jun 2005 15:53:18 BST , Emmanuel Soulié 
> <esoulie@xxxxxxxxxxxx> wrote:
> >Please help,
> <snip>
> >My problem is that Web01 and Web02 cannot access each other using 
> >their (virtual) public addresses. Does somebody have an idea ?
> 
> Using LVS-NAT this isn't possible without some sort of network hackery. 
> The route the packets take while being processed by the kernel means 
> that the request from Web01 doesn't get NATted on the internal 
> interface, and it therefore gets forwarded intact to Web02.

On the other hand, it works out of the box with LVS-DR.

> Web02 then responds directly to Web01, which drops the packet on the 
> floor as it expects the packet to come from the VIP.
> 
> Read the FAQ for attempts to work around this, and search the mailing 
> list archives for "realserver as client".
> 
> Graeme
> -- 
> Before you judge someone, you should walk a mile in their shoes.
> That way, when you judge them, you're a mile away and you have their shoes.
> 
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-- 
Horms

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