using loopback address as primary address

[Nikos Vassiliadis]

On Monday 24 July 2006 16:48, Brian Candler wrote:
> On Mon, Jul 24, 2006 at 12:38:56PM +0300, Nikos Vassiliadis wrote:
> > Can I somehow use lo1 address
> > for connections initiated from Host_2?
>
> Options I know of:
>
> (1) the application which originates the connection can explicitly bind
> to the lo1 address (see for example telnet -s and ping -S options)
>

I am looking for a "global just-works" sollution something like a
routing/ip addressing  scheme that will allow me to use individual
(unrelated) IP addresses assigned to individual boxes on the same
ethernet segment with a gateway to the internet

> (2) the application can run in a jail(8) whose IP address is lo1, in which
> case a 'bind to any' will bind to this address only
>

If that could happen without the jail part it would be fine...