Subject: Re: [vserver] Additional internal-only IP on loopback
From: Art -kwaak- van Breemen <ard@telegraafnet.nl>
Date: Wed, 22 Sep 2010 10:26:43 +0200

Hi,

On Thu, Sep 16, 2010 at 11:53:08AM +0100, Gordan Bobic wrote:
> I cannot seem tol get this to work. I have added:
> 
> /etc/vservers/$name/interfaces/1/dev
> lo
> /etc/vservers/$name/interfaces/1/ip
> 192.168.0.1
> /etc/vservers/$name/interfaces/1/prefix
> 16

You know that putting 192.168.0.1/16 on lo means that you have
64k ip addresses on the host, you do realise that?
It's normal to put a /32 on lo, but a whole /16.
Dev lo has special meaning for ipv4: the host will answer any
arps for networks on lo. (Almost like a proxy_arp).