[Openstack] VM lose connectivity if created new. Have to restart neutron-plugin-openvswitch-agent

Adrián Norte Fernández adrian at bashlines.com
Sun Dec 14 20:11:14 UTC 2014


Which SO and network cards are you using?
El 14/12/2014 19:35, "Gonzalo Aguilar Delgado" <gaguilar at aguilardelgado.com>
escribió:

> Hi all,
>
> Question is. Why I have to restart neutron-plugin-openvswitch-agent to
> recover networking from new machines?
>
>
> I found a problem creating machines in a new node I've built. And realized
> that this happens on all my nodes of current version.
>
> neutron 2.3.4
> nova      2.17.0
>
> My logs shows that neutron assign vlan 2 for the new machine and this
> causes the machine to not have connectivity.
>
> ---------------------------------------
> 2014-12-14 17:57:07.321 12501 INFO
> neutron.plugins.openvswitch.agent.ovs_neutron_agent [-] Assigning 2 as
> local vlan for net-id=727b0415-f066-40d9-8147-183e07dd7b23
> 20
> ---------------------------------------
>
>
> If I shut down the machine and restart neutron plugin agent for ovs:
>
> #> restart neutron-plugin-openvswitch-agent
>
>
> ---------------------------------------
>  ...  assigning 1 as local vlan for
> net-id=727b0415-f066-40d9-8147-183e07dd7b23
>
> ---------------------------------------
>
>
> And the machine recovers connectivity.
>
> In the even of faillure (after creating it):
>
> If I start the machine without ip and set it manually I can try to ping
> it. It says it's not reachable but after restating the plugin automatically
> recovers connectivity. So no restart or further configuration is made.
>
>
> Maybe I have something wrong configured but it seems like a bug.
>
>
> Can someone point me to the right place?
>
>
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