openstack team mailing list archive

[Igor Laskovy <igor.laskovy@xxxxxxxxx>]

Sorry Sergio, but I have read your message twice and don't understand your
problem))
Can you clarify tidy and clear that issue?

Igor Laskovy
facebook.com/igor.laskovy
Kiev, Ukraine
On Aug 31, 2012 11:14 AM, "Sergio Ariel de la Campa Saiz" <sacampa@xxxxxxx>
wrote:

>  Hi:
>
>
>
> Thanks to pay attention to my doubt J J
>
>
>
> The post is very detailed but it doesn´t get into my problem L, in fact,
> author lets this issue to be treated in another post.
>
>
>
> In the other hand (and to respond to Igor), my configuration is:
>
> -          1 controller and 2 compute nodes.
>
> -          Nova-network is installed in both compute nodes.
>
> -          Neither the controller not the nodes have direct access to
> internet. The use a default gateway to access internet.
>
> -          VlanManager
>
> -          ip_forward is set to 1 in my compute nodes.
>
> -          Each project has associated a VLAN.
>
> -          Each VM has only one IP.
>
> -          VMs belonging to different projects, communicate between them
> by gateways.
>
> -          The gateway of a VM is the bridge of the VLAN that the VM
> belongs (this is done automatically by Nova).
>
>
>
> I don´t have problem in my cloud, in fact communication between VMs and to
> the outside is working correctly (I had to set static rules in routers to
> access VMs from outside)
>
>
>
> I don´t want to use NAT and I think that actually NAT is disabled. But I
> have been reading about it and I haven´t found any documentation that
> explain deeply this issue. I always read references to SNAT and that
> packets from VMs to internet are translated in order to put in them (as
> source IP), the IP of the compute-node. This is done using a parameter
> named routing_ source_ip.
>
> I need to be clear when NAT is used L. I need to know how
> activate/deactivate it.
>
>
>
> I hope my question not be a big problem to you
>
>
>
> Thanks a lot
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma Digital\linea.gif]
>
> [image: Descripción: C:\Users\ssac\Documents\Firma Digital\logo_gmv.gif]
>
> *Sergio Ariel de la Campa Saiz
> *Ingeniero de Infraestructuras /
>
> Infrastucture Engineer /
>
> GMV
> Isaac Newton, 11
> P.T.M. Tres Cantos
> E-28760 Madrid
> Tel. +34 91 807 21 00
> Fax +34 91 807 21 99
> www.gmv.com <http://www.innovation2011.es/index.php?id=86>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma Digital\icon_blog.gif]<http://www.gmv.com/b2_gmv>
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma
> Digital\icon_facebook.gif] <http://www.facebook.com/infoGMV>
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma
> Digital\icon_twitter.gif] <http://www.twitter.com/infoGMV_es>
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma
> Digital\icon_youtube.gif] <http://www.youtube.com/infoGMV>
>
>
>  <http://www.innovation2011.es/index.php?id=86>
>
>
>
>
>
> *De:* Igor Laskovy [mailto:igor.laskovy@xxxxxxxxx]
> *Enviado el:* viernes, 31 de agosto de 2012 8:37
> *Para:* Sergio Ariel de la Campa Saiz
> *CC:* openstack@xxxxxxxxxxxxxxxxxxx;
> openstack-operators@xxxxxxxxxxxxxxxxxxx
> *Asunto:* Re: [Openstack-operators] nova-network NAT question
>
>
>
> Hey.
>
> Well, what the type of network manager used?
> For example with FlatManager virtual nic can only put in the according
> bridge on the node and that's it. Anything you should do manually.
>
> Igor Laskovy
> facebook.com/igor.laskovy
> Kiev, Ukraine
>
> On Aug 30, 2012 2:24 PM, "Sergio Ariel de la Campa Saiz" <sacampa@xxxxxxx>
> wrote:
>
> Hi:
>
>
>
> I have a doubt about nova-network and NAT:
>
> Virtual machines (that only have privates IPs and no floating IP) always
> use NAT to communicate with machines out of OpenStack cloud?
>
>
>
> Regards…
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma Digital\linea.gif]
>
> [image: Descripción: C:\Users\ssac\Documents\Firma Digital\logo_gmv.gif]
>
> *Sergio Ariel de la Campa Saiz
> *Ingeniero de Infraestructuras /
>
> Infrastucture Engineer /
>
> GMV
> Isaac Newton, 11
> P.T.M. Tres Cantos
> E-28760 Madrid
> Tel. +34 91 807 21 00
> Fax +34 91 807 21 99
> www.gmv.com <http://www.innovation2011.es/index.php?id=86>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma Digital\icon_blog.gif]<http://www.gmv.com/b2_gmv>
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma
> Digital\icon_facebook.gif] <http://www.facebook.com/infoGMV>
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma
> Digital\icon_twitter.gif] <http://www.twitter.com/infoGMV_es>
>
>
>
> [image: Descripción: C:\Users\ssac\Documents\Firma
> Digital\icon_youtube.gif] <http://www.youtube.com/infoGMV>
>
>
>  <http://www.innovation2011.es/index.php?id=86>
>
>
>
>
>
>
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