[openstack-dev] [neutron][devstack] Does the openvswitch-agent need to be run along side the neutron-l3-agent?

Sean M. Collins sean at coreitpro.com
Mon Jun 6 17:59:29 UTC 2016

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.


Extra compute nodes have a pretty short 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.


Anyway, here's the fix.


Sean M. Collins

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