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Re: nova nodes hosted in kvm virtual machines: no access to the outside world.

To: openstack@xxxxxxxxxxxxxxxxxxx
From: Pierre Amadio <pierre.amadio@xxxxxxxxxxxxx>
Date: Thu, 12 Apr 2012 13:55:29 +0200
In-reply-to: <4F86A793.3030705@canonical.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1

> - any idea if my problem is in the nova configuration, or something to
> do with the hypervisor iptables rules ?
> - done something similar with good result ?
> - any idea on what to try next ?

Actually adding an iptables entry on the hypervisor so packet coming
from the floating ip network were masqueraded did the trick:

-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -j MASQUERADE

References

nova nodes hosted in kvm virtual machines: no access to the outside world.
From: Pierre Amadio, 2012-04-12