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OK, sorry, I misunderstood your question.  So what are you asking?

On Thu, May 19, 2016 at 10:09 AM Rui Mao <maorui2k at 163.com> wrote:

> I don’t want VMs exposed to Internet directly, and I don’t have enough
> Internet IP address for every compute node.
>
>
>
> Is it possible that the compute nodes only attach to management and tenant
> network and access internet via NAT?
>
>
>
> Best regards,
>
> Rui Mao
>
>
>
> *发件人:* Neil Jerram [mailto:neil at tigera.io]
> *发送时间:* 2016年5月19日 16:20
> *收件人:* Rui Mao <maorui2k at 163.com>; openstack at lists.openstack.org
> *主题:* Re: [Openstack] Does compute node require provider network?
>
>
>
> If you attach a VM to a provider network - instead of to a tenant network
> - and give it an Internet-routable fixed IP address, it can access the
> Internet without any NAT.  This has been the case for several OpenStack
> releases.
>
>
>
> Now that Neutron has address scopes, I believe it will soon be the case
> that a Neutron virtual router will avoid NAT when forwarding traffic
> between networks with the same address scope.  That means that it should
> soon be possible for VMs attached to tenant networks to access the Internet
> without any NAT, too.
>
>
>
> Regards,
>
>    Neil
>
>
>
> On Thu, May 19, 2016 at 6:02 AM Rui Mao <maorui2k at 163.com> wrote:
>
>
> http://docs.openstack.org/mitaka/install-guide-ubuntu/environment-networking.html#environment-networking
>
>
>
> In the guide, the compute node requires a provider network connection, and
> the neutron run in controller node.
>
>
>
> But per my understanding, all VMs access the internet via NAT, and the
> nova node has no internet access requirement in production environment.
>
>
>
> Anything I missed or misunderstood?
>
>
>
> Best regards,
>
> Rui Mao
>
>
>
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