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Re: [lvs-users] Two box lvs with UltrMonkey LO problem

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Two box lvs with UltrMonkey LO problem
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Mon, 29 Mar 2010 09:38:12 +1100
On Sun, Mar 28, 2010 at 02:28:31PM +0100, Cyrus wrote:
> Hi Simon,
> 
> That's what I try and do.
> I edit the /etc/sysconfig/network-scripts/ifcfg-lo:0 file and add the VIP
> (174.121.60.28) as the IP address.
> 
> DEVICE=lo:0
> IPADDR=174.121.60.28
> NETMASK=255.255.255.248 
> ONBOOT=yes
> NAME=loopback
> 
> This results in a fault. I have been told by the hosting company that I
> cannot use 174.121.60.28 in a loopback interface as that is an IP in the
> 'class b public IP address range'
> 
> Should there be a restriction like that?

I suspect that they are miss-understanding what you are trying to do.
The error that you mention, where are you seeing it?

Also, the NETMASK should be 255.255.255.255 and not 255.255.255.248,
regardless of what the real subnet is. You also need to have
another address attached to the 174.121.60.x/y network, probably on eth0.

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