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" <[email protected]> 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:[email protected]] > *Enviado el:* viernes, 31 de agosto de 2012 8:37 > *Para:* Sergio Ariel de la Campa Saiz > *CC:* [email protected]; > [email protected] > *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" <[email protected]> > 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> > > > > > > > P Please consider the environment before printing this e-mail. > ------------------------------ > > This message including any attachments may contain confidential > information, according to our Information Security Management System, and > intended solely for a specific individual to whom they are addressed. 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