[Openstack] [OpenStack][Nova] Question regarding multiple network interfaces

Leander Bessa Beernaert leanderbb at gmail.com
Tue Aug 7 21:50:58 UTC 2012


Is there a flag in the nova.conf file or is this something that needs to be
done on the operating system?

On Tue, Aug 7, 2012 at 8:26 PM, Sébastien Han <han.sebastien at gmail.com>wrote:

> Hi,
>
> If eth0 is connected to the public switch and if eth1 is connected to
> the private switch you can enable the ipv4 forwarding on the compute
> node. Thanks to this the VMs will have access to the outside world and
> the packet will be routed from eth1 to eth0 :).
>
> Cheers!
>
> On Tue, Aug 7, 2012 at 5:18 PM, Leander Bessa Beernaert
> <leanderbb at gmail.com> wrote:
> > Hello,
> >
> > I have a question regarding the use of two network interfaces. According
> to
> > the official documentation, one of the interfaces is used for public
> access
> > and the other for internal access (inter-vm communication). What i'd
> like to
> > know is how does an instance connect to the outside world (internet
> access)?
> > Is it done through the switch connected to the private interface or the
> > public interface?
> >
> > --
> > Cumprimentos / Regards,
> > Leander
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack
> > Post to     : openstack at lists.launchpad.net
> > Unsubscribe : https://launchpad.net/~openstack
> > More help   : https://help.launchpad.net/ListHelp
> >
>



-- 
Cumprimentos / Regards,
Leander
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120807/3712ed05/attachment.html>


More information about the Openstack mailing list