[Openstack] [openstack][neutron] ml2 network creation question

Xu (Simon) Chen xchenum at gmail.com
Thu Oct 2 15:47:02 UTC 2014

Hey folks,

I was using vanilla openvswitch plugin and upgraded to ML2 recently. My
existing networks work fine, but new networks are causing me troubles.

It seems that a new network defaults provider:network_type to "local".
Since I am running openvswitch agents with network_type set to VXLAN only
everywhere, all ports are down in this setup.

So, I tried to create a network and specify provider:network_type to vxlan
(which is the case for my existing networks). This time, the network cannot
be created at all, got an error of NoNetworkAvailable: Unable to create the

Any ideas?

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