With this article, I understand I'm not alone to have this problem.
I'm going to try the solution, and If it's working, I will update my documentation on Essex. Regards Le vendredi 04 mai 2012 à 13:10 +0000, Vaze, Mandar a écrit : > Emilien, > > > > Please see https://answers.launchpad.net/quantum/+question/194111 > > > > Nova-compute and nova-network on two different machines seems to be > the key here. > > Solution is proposed in the above thread. > > > > Hope that helps. > > > > -Mandar > > > > > From: openstack-bounces+mandar.vaze=nttdata....@lists.launchpad.net > [mailto:openstack-bounces+mandar.vaze=nttdata....@lists.launchpad.net] > On Behalf Of Emilien Macchi > Sent: Thursday, May 03, 2012 1:26 PM > To: Salman Malik > Cc: openstack@lists.launchpad.net > Subject: Re: [Openstack] Instance IP assignment problem > > > > > > Hi, > > > As I told you, I have also a problem for instance IP assignement. > > > My architecture : > > I use Quantum with OVS plugin on 2 servers Essex-1 & Essex-2. Essex-1 > runs all services and Essex-2 runs OVS, Quantum-agent & nova-compute > only. > > You can see more details here. > > My configurations files are here and in my documentation. > > > > Problem Description : > > When an instance is created in ESSEX-1, all is working (network). > > But when the VM is started on ESSEX-2, it does not get an IP address. > (log file) > > I'm sure the problem comes from OVS connection with ESSEX-1. > > > Do I need to configure something like a trunk or a tunnel between > Essex-1 & Essex-2 ? > > I miss something in my configuration, if you have any idea... > > > Regards > > > Emilien > > > Le mardi 01 mai 2012 à 14:35 -0500, Salman Malik a écrit : > > It may help if you can share the log of your launched instance as > well. There is a possibility that we both are having the same issue. > Netstack developers can give a definitive answer to this, but it would > be interesting to learn what goes wrong with a launched instance. > > Salman > > > > > > > > > ______________________________________________________________ > > > Subject: RE: [Openstack] Instance IP assignment problem > From: emilien.openst...@gmail.com > To: salma...@live.com > CC: jorge.delac...@stackops.com; openstack@lists.launchpad.net > Date: Tue, 1 May 2012 21:26:26 +0200 > > Le mardi 01 mai 2012 à 14:22 -0500, Salman Malik a écrit : > > Regarding L3 gateway, I believe its not necessary to have one > (as the VM hasn't obtained an IP right now, so it can't talk > to anything outside its net), but I am not sure. > Regarding your problem, do you see any DHCP responses from the > DHCP server ? I am asking this because I was having a similar > problem earlier where I was getting assigned an IP address no > in my desired fixed_network and I believe that was cause by > another interfering DHCP server that was replying to discover > messages before the nova-network could. > > Here my nova.conf and I don't have any interfering DHCP > server : > > > https://github.com/EmilienM/doc-openstack/blob/master/Configuration%20Files/Essex-1/nova.conf > > > Thanks > > Salman > > > > > > > ______________________________________________________________ > > > > Subject: RE: [Openstack] Instance IP assignment problem > From: emilien.openst...@gmail.com > To: salma...@live.com > CC: jorge.delac...@stackops.com; openstack@lists.launchpad.net > Date: Tue, 1 May 2012 21:06:01 +0200 > > Hi Salman, > > > I'm thinking about a networking issue. Where is your L3 > gateway in this architecture ? Maybe do you need an ip helper > tool to redirect DHCP broadcast ? > > > What do you think about my problem (follow up to my last > e-mail) ? > > > Thanks > > > Emilien > > Le mardi 01 mai 2012 à 14:00 -0500, Salman Malik a écrit : > > Hi, > > Here is the error log: http://pastebin.com/KrNZDrvD > and nova.conf: http://pastebin.com/Fvd6dSZs > > Emilien, I am trying to get an understanding of how different > Quantum plugins work with OpenStack. Ryu plugin is > particularly interesting as it uses an OpenFlow controller to > configure Vswitches. > > The problem I am faced with is (I think ) that I already have > a private network and Quantum should assign IP addresses to > instances using DHCP. But instances send out discover message > on laucnh but never find a DHCP server (although there are 2 > dnsmasqs running). > > Any ideas? > > Thanks, > Salman > > > > > > > ______________________________________________________________ > > > > > Date: Tue, 1 May 2012 20:43:44 +0200 > Subject: Re: [Openstack] Instance IP assignment problem > From: jorge.delac...@stackops.com > To: emilien.openst...@gmail.com > CC: openstack@lists.launchpad.net; salma...@live.com > > Hi Emilien and Salman, > Please, could you upload all the files, errors and conf in > pastebin or something like that? > I have troubles to open in phone :) > Thank you > El 01/05/2012 20:39, "Emilien Macchi" > <emilien.openst...@gmail.com> escribió: > > Hi, > > > I have a similar problem when I create a network per > project_id with Quantum. > > > My VMs don't get IP and I can't understand why today. > > But when I create a private network for all projects, VMs get > an IP and all is working well. > Do you have the same problem ? > > > Salman, I'm interesting about your nova.conf. I can see you > are using Ryu ? > Can you tell me more about your "use case" or architecture ? > > > Thanks > > > Le mardi 01 mai 2012 à 12:28 -0500, Salman Malik a écrit : > > Hi Jorge, > > Thanks for looking into the post. > I have made changes to the nova.conf file so that I only use > 10.0.0.x network (but the problem is still the same). For this > configuration, I assume that it will give out IPs to instances > starting from 10.0.0.11. And just to inform you, my eth1 is > configured to be 10.0.0.10 (which is a VM itself, and eth1 is > configured as a host-only network with no DHCP) and this > interface is plugged in the integration bridge used by quantum > plugins. > > Thanks, > Salman > > PS: Error log of a launched instance is also attached. > > > > > > > ______________________________________________________________ > > > > > > Date: Tue, 1 May 2012 19:03:49 +0200 > Subject: Re: [Openstack] Instance IP assignment problem > From: jorge.delac...@stackops.com > To: salma...@live.com > CC: openstack@lists.launchpad.net > > Im not really sure but you are using range for your > environment 10.0.3.x and 10.0.0.x for fixed. > Can you attach a nova network conf? > Regards > El 01/05/2012 18:56, "Salman Malik" <salma...@live.com> > escribió: > > Hi Guys, > > Can anyone provide any insight to the following question: > https://answers.launchpad.net/nova/+question/195439 > > Thanks, > Salman > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > > > > > > > > > > > > > ______________________________________________________________________ > Disclaimer:This email and any attachments are sent in strictest > confidence for the sole use of the addressee and may contain legally > privileged, confidential, and proprietary data. 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