Fixed IP
Le jeudi 03 mai 2012 à 09:15 +0100, Bilel Msekni a écrit : > Fixed IP or Floating IP ? > > > > > > ______________________________________________________________________ > From: emilien.openst...@gmail.com > To: salma...@live.com > Date: Thu, 3 May 2012 09:55:31 +0200 > 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 > > > > > > > > > > > > > _______________________________________________ Mailing list: > https://launchpad.net/~openstack Post to : > openstack@lists.launchpad.net Unsubscribe : > https://launchpad.net/~openstack More help : > https://help.launchpad.net/ListHelp
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