[Openstack-operators] Instances not getting IP addresses when using FlatDHCPManager.

Jānis Ģeņģeris janis.gengeris at gmail.com
Wed Aug 15 16:09:53 UTC 2012


I haven't tried setup with single interface. But what I could think of is
maybe you can set up aliases for the interface with different VLANs and
bridge into aliases. Although not sure, if this will work ;).

--janis

On Wed, Aug 15, 2012 at 7:00 PM, Schwartz, Philip Marc (RIS-BCT) <
Philip.Schwartz at lexisnexis.com> wrote:

>  flat_interface= can only be used with a nic that does not have an IP
> associated with it. My eth0 has an IP associated with it and I am trying to
> run single nic so setting it breaks network connectivity to the system.***
> *
>
> ** **
>
> Thank You,****
>
> Philip Schwartz****
>
> Senior Software Engineer****
>
> LexisNexis RS****
>
> O - 561 999 4472****
>
> C - 954 290 4024****
>
> ** **
>
> *From:* Jānis Ģeņģeris [mailto:janis.gengeris at gmail.com]
> *Sent:* Wednesday, August 15, 2012 11:58 AM
>
> *To:* Schwartz, Philip Marc (RIS-BCT)
> *Cc:* openstack-operators at lists.openstack.org
> *Subject:* Re: [Openstack-operators] Instances not getting IP addresses
> when using FlatDHCPManager.****
>
>  ** **
>
> If you have single node set up, you don't need to use multi_host=True. ***
> *
>
> ** **
>
> Also looking at the network configuration output you have posted. The
> bridge for fixed IPs must be attached to any of the physical interfaces
> that you have, but it appears attached to non existent vnet0. ****
>
> ** **
>
> If you are using FlatDHCP you should set flat_interface in your nova.conf,
> to the interface where fixed IPs musto go.****
>
> ** **
>
> You can try to install devstack (
> http://devstack.org/guides/single-machine.html), for quickly verifying
> basic setup configuration and then compare to your current config to see
> whats wrong. Devstack usually works out of the box.****
>
> ** **
>
> --janis****
>
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