openstack team mailing list archive

[Emilien Macchi <emilien.openstack@xxxxxxxxx>]

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.delacruz@xxxxxxxxxxxx
> To: emilien.openstack@xxxxxxxxx
> CC: openstack@xxxxxxxxxxxxxxxxxxx; salmanmk@xxxxxxxx
> 
> 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.openstack@xxxxxxxxx>
> 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.delacruz@xxxxxxxxxxxx
>                 To: salmanmk@xxxxxxxx
>                 CC: openstack@xxxxxxxxxxxxxxxxxxx
>                 
>                 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"
>                 <salmanmk@xxxxxxxx> escribió:
>                 
>                         Hi Guys,
>                         
>                         Can anyone provide any insight to the
>                         following question:
>                         https://answers.launchpad.net/nova/+question/195439
>                         
>                         Thanks,
>                         Salman
>                         
>                         
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