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From: Liam Helmer (linuxlists_at_thevenue.org)
Date: Thu 30 Dec 2004 - 22:04:52 GMT

SNAT will only change the outgoing IP, not outgoing routing.
You should use "ip route" to change outgoing routing

This has been discussed numerous times in the archives.


On Thu, 2004-12-30 at 21:30 +0100, Adrian Reyer wrote:
> On Thu, Dec 30, 2004 at 02:14:28PM -0500, sergey ivanov wrote:
> > Is it possible to start context 0 without connection to internet, and
> > then start vserver to be a gateway? So that default route in context 0
> > and all other will be to the alias of eth1, which gateway vserver is
> > attached to, and in this vserver to set up dhcp connection on eth0 and
> > route default to this connection?
> > I do not understand, if routing should be done in context 0, so it
> > should be delayed till dhcp connection be established, and rerouted each
> > time IP is changed. Or it may be delegated to vserver?
> To my understanding, context 0 can always access all interfaces and is
> the context that sets up routing. So no, you can't prevent context 0
> from having a gateway. And same time nothing will prevent you from
> setting up the default routing via eth1. I the other machines have no
> eth1 access, you need to alter their outgoing IP via SNAT.
> Might ofc be wrong, but then someone will reply and I will get it
> right myself, too ;)
> Regards,
> Adrian

Liam Helmer <linuxlists_at_thevenue.org>

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