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: [email protected] > To: [email protected] > CC: [email protected]; [email protected] > 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: [email protected] > To: [email protected] > CC: [email protected]; [email protected] > > 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" > <[email protected]> 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: [email protected] > To: [email protected] > CC: [email protected] > > 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" > <[email protected]> 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 : > [email protected] > Unsubscribe : > https://launchpad.net/~openstack > More help : > https://help.launchpad.net/ListHelp > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > > >
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