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> If you are using the Neutron API for security groups, then I think  
> you need firewall_driver=nova.virt.firewall.NoopFirewallDriver in  
> nova.conf - that's what devstack does.

I think this was really the solution! I tried to provoke the  
interruption in three different ways that broke the connection before,  
but I couldn't! I hope this is it, I'll report if the interruptions  
return, but so far thank you very much!!!


Zitat von Darragh O'Reilly <dara2002-openstack at yahoo.com>:

> On Friday, 24 June 2016, 9:15, Eugen Block <eblock at nde.ag> wrote:
>>> Make sure nova is using the noop driver.
>
>> I'm trying to use ceilometer, in that case the docs say to use
>> messagingv2 driver, so that's what I did. And until two weeks ago it
>> worked just fine, I had no networking issues.
>
>
>
> Your iptables output is showing entries from both nova-compute and  
> neutron. If you are using the Neutron API for security groups, then  
> I think you need  
> firewall_driver=nova.virt.firewall.NoopFirewallDriver in nova.conf -  
> that's what devstack does.



-- 
Eugen Block                             voice   : +49-40-559 51 75
NDE Netzdesign und -entwicklung AG      fax     : +49-40-559 51 77
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