Hi wei, the agent will be re-worked with modular l2 agent  your proposal could be handle during this work.
https://review.openstack.org/#/c/106189/ Mathieu On Tue, Oct 28, 2014 at 4:01 AM, Damon Wang <damon.dev...@gmail.com> wrote: > Hi all, > > We have suffered a long down time when we upgrade our public cloud's neutron > into the latest version (close to Juno RC2), for ovs-agent cleaned all flows > in br-tun when it start. > > I find our current design is remove all flows then add flow by entry, this > will cause every network node will break off all tunnels between other > network node and all compute node. > > ( plugins.openvswitch.agent.ovs_neutron_agent.OVSNeutronAgent.__init__ -> > plugins.openvswitch.agent.ovs_neutron_agent.OVSNeutronAgent#setup_tunnel_br > : > self.tun_br.remove_all_flows() ) > > Do we have any mechanism or ideas to avoid this, or should we rethink > current design? Welcome comments > > Wei Wang > > _______________________________________________ > OpenStack-dev mailing list > OpenStackemail@example.com > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > _______________________________________________ OpenStack-dev mailing list OpenStackfirstname.lastname@example.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev