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Re: [lvs-users] Loopback issue on Debian Lenny realserver

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Loopback issue on Debian Lenny realserver
From: Chris Merrett <chris.merrett@xxxxxxxxxxxxxxx>
Date: Wed, 02 Dec 2009 10:42:08 +0000
As per my original post in my ifconfig output, the VIP's on the nodes
all have a netmask of 255.255.255.255.  Even though the lo:1 looks
correct, the director cannot arping the nodes at all whilst the nodes
lo:1 loopback devices are up.

Chris

On Wed, 2009-12-02 at 09:08 +0000, Graeme Fowler wrote:
> On Tue, 2009-12-01 at 23:18 +0000, Chris Merrett wrote:
> > Hopefully you have a slightly better idea of how our setup looks from that 
> > information. :)  As I've said, the problem appears to be with the loopback 
> > interfaces on the nodes
> 
> What netmask do the VIP loopback interfaces have on the nodes? If they
> have anything other than a /32 - 255.255.255.255 - then the nodes will
> believe that the VIP's wider network is local to it, and the traffic
> will never escape.
> 
> Graeme
> 
> 
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