[Openstack] [Neutron] firewall_driver = openvswitch

Sterdnot Shaken sterdnotshaken at gmail.com
Wed Nov 2 00:09:42 UTC 2016


Openstack version: Mitaka, OVS version: 2.60

I'm trying to set our firewall driver to be openvswitch based by modifying
these parameters:

vim /etc/neutron/plugins/ml2/openvswitch_agent.ini [securitygroup]

firewall_driver = openvswitch

After successfully restarting the Openvswitch service, I don't see the
flow's I would expect on br-int... After looking in
/var/log/neutron/openvswitch-agent.log, I see that it tries to add the
respective security-group flows, but can't:

ERROR neutron.agent.common.ovs_lib
[req-1ba2a804-69de-4d19-8acc-a1afa7bfe846 - - - - -] Unable to execute
['ovs-ofctl', 'add-flows', 'br-int', '-']. Exception: Exit code: 1; Stdin:
(many flows follow these)

Any idea why this might be happening?

Thanks in advance!
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