On Mon, Jun 6, 2016 at 1:59 PM, Sean M. Collins <s...@coreitpro.com> wrote: > While reviewing https://review.openstack.org/#/c/292778/5 I think I > might have found a bit of coupling between the neutron l2 agent and the > l3 agent when it comes to DevStack. > > In the DevStack neutron guide - the "control node" currently > does double duty as both an API server and also as a compute host. > > https://github.com/openstack-dev/devstack/blob/master/doc/source/guides/neutron.rst#devstack-configuration > > Extra compute nodes have a pretty short configuration > > https://github.com/openstack-dev/devstack/blob/master/doc/source/guides/neutron.rst#devstack-compute-configuration > > So, recently I poked at having a pure control node on the "devstack-1" > host, by removing the q-agt and n-cpu entries from ENABLED_SERVICES, > while leaving q-l3. > > It appears that the code in DevStack, relies on the presence of q-agt in > order to create the integration bridge (br-int), so when the L3 agent > comes up it complains because br-int hasn't been created. > > https://github.com/openstack-dev/devstack/blob/master/lib/neutron_plugins/ovs_base#L20 > > Anyway, here's the fix. > > https://review.openstack.org/#/c/326063/
The L3 agent requires an L2 agent on the same host. It's not just about creating the bridge, it's also about plugging the router/dhcp ports correctly. > > -- > Sean M. Collins > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev