non-NATed cloud network to provider network

asked 2013-02-21 16:24:09 -0500

wei-wen-chen gravatar image

At present, quantum will always NAT cloud networks in private domain to external networks attached. Is there a way to disable NAT setup and let cloud networks routed directly to provider network, assuming no overlapping IP is configured? This setup seems much simple and could be deployed quickly for some customers.

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answered 2013-03-13 22:20:23 -0500

jmurphy-s gravatar image

I to would love to be able to turn off NAT per tenant. I have a client who would like to launch cpanel/whm servers in my environment but they dont support a nat setup.

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answered 2013-03-13 22:32:28 -0500

salvatore-orlando gravatar image


at the moment the only 'default gateway' solution that is allowed by Quantum uses NAT. There's a blueprint in progress on this aspect: (

However, this is not going to be part of the upcoming release. If your instances have publicly routable addresses, you can probably leverage the solution Bob prosed in answer #3 in this thread.

Otherwise, if your instances have private addresses and the happens somewhere else in the nw infrastructure outside of openstack, I think Quantum at the moment does not provide a full solution that might address your needs.

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Asked: 2013-02-21 16:24:09 -0500

Seen: 205 times

Last updated: Mar 13 '13