[Openstack-operators] All in a box: Neutron unable to provide internet access?

Li Ma mali at awcloud.com
Mon Mar 17 11:50:41 UTC 2014

As far as I know, stackinsider provide a demo online platform, which
takes advantage of nested virtualization. That's why it says "nested"
Neutron. It runs OpenStack over OpenStack arch.

You can just ignore the statement and focus on why your VM cannot access
external network.

On 3/17/2014 7:10 PM, Giuseppe Civitella wrote:
> Hi all,
> I trying to perform an Openstack installation in a single box.
> Everything went fine except for virtual machines' internet access. I'm
> able spawn machine that can ping each other but cannot ping the
> gateway or have internet access for those vms.
> Looking for mode documentation I've found this:
> http://wiki.stackinsider.com/index.php/Native_Stack_-_Single_Node_using_Neutron_GRE_-_Havana#Enable_IP_forwarding
> which says, at the end of the page:
> Unsupported issue
> OpenStack Network
> After Neutron network is initialized properly, the created virtual
> machines are capable of communicating with each other, 
> however, it is not possible to access Internet inside the virtual
> machine, due to the lack of nested Neutron support from OpenStack.
> Is that true? There is no way of having a fully functional Neutron
> running in just one box? Should I use nova-network instead?
> Thanks a lot
> Giuseppe
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> OpenStack-operators at lists.openstack.org
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Li Ma

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