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

Kevin Benton kevin at benton.pub
Mon Jun 6 19:39:05 UTC 2016

The L3 agent will plug ports into things, but it doesn't know anything
about wiring them up for the appropriate VXLAN/VLAN/whatever. That's all
very l2 specific logic and dependent on if using linuxbridge/ovs/etc.

Think of the l3 agent just like it is Nova wiring up VMs. It plugs them in
and then the l2 agent does the appropriate l2 stuff for each port.
On Jun 6, 2016 11:46 AM, "Sean M. Collins" <sean at coreitpro.com> wrote:

> Armando M. wrote:
> > The short answer to your question in the question is yes. For OVS,
> wherever
> > you run network services (l3 or dhcp), you need an l2 agent that in
> charge
> > of port wiring.
> OK - I'm going senile then. For some reason I thought the L3 agent
> called the same code paths for doing wiring of router ports and didn't
> need the L2 agent running.
> --
> Sean M. Collins
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