Why compute nodes and networks nodes fails to create all required tunnel endpoints when l2population is enabled?

Solution Unverified - Updated -

Issue

  • We have enabled l2population mechanism driver on neutron api server.
# grep l2popu  /etc/neutron/plugins/ml2/ml2_conf.ini
mechanism_drivers =openvswitch,l2population
  • Enabled the same on all network nodes and compute nodes for ovs plugin.
# grep population /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini 
l2_population=True

Then neutron-openvswitch-agent was restarted on all nodes, none of the node has created any vxlan tunnel endpoints under br-tun. When we disable l2population, all required vxlan endpoints are created when service is restarted. How can I solve this?

Environment

  • Red Hat Enterprise Linux Openstack Platform v5.0

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