[neutron] [nova] [ussuri] IP of the VM at the provider network is different than the one registered at the Openstack controller
pbasaras at gmail.com
Thu Nov 26 11:33:24 UTC 2020
many thanks for your prompt response.
i dissbaled the dhcp from virtualbox and now the vms get the ip from the
neutron dhcp as registered by the controller.
all the best,
On Wed, Nov 25, 2020 at 4:58 PM Slawek Kaplonski <skaplons at redhat.com>
> On Wed, Nov 25, 2020 at 02:52:56PM +0200, Pavlos Basaras wrote:
> > Hello,
> > Setup:
> > i follow the main instruction for deploying openstack for learning
> > I can successfully deploy vms in an internal network, and also connect
> > to a router that gives internet access using floating ips etc.
> > My setup is based on ubuntu 18. I have virtualbox for deploying
> > (10.0.0.11) and compute (10.0.0.31) etc.
> > I have host only adapters at virtual box (dhcp enabled) for the two
> > networks: mgmt: 10.0.0.0/24 and provider 188.8.131.52/24 as per the
> > instructions, and i use iptables to NAT the vms.
> > Problem:
> > When following the instructions from
> > https://docs.openstack.org/install-guide/launch-instance-provider.html
> > vm is deployed successfully but the ip that it is assigned is different
> > from the one that the controller has.
> > It seems that there are more than one dhcp instances running? How can i
> > debug this?
> I'm not sure if I understand correctly but do You want to have Your
> to run as DHCP server for vms run by OpenStack?
> Neutron has own dhcp agent and that is providing IPs to Your VMs according
> the IP Allocation done by neutron. IPs are form the subnet created in the
> network to which Your vm is plugged.
> > Any advice?
> > all the best,
> > Pavlos.
> Slawek Kaplonski
> Principal Software Engineer
> Red Hat
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