<div dir="ltr"><div>hello</div><div>I tried to integrate Openstack train with Opendaylight magnesium and my references were <a href="https://docs.opendaylight.org/projects/netvirt/en/stable-magnesium/openstack-guide/openstack-with-netvirt.html">[1]</a> and <a href="https://files.openstack.org/docs/networking-odl/train/install/installation.html">[2]</a> but after doing all the steps, the instance failed to launch. I changed port_binding_controller in [ml2_odl] section in the ml2_conf.ini file from pseudo-agentdb-binding to legacy-port-binding and then the instance launched but the status of router interfaces

 was still down.</div><div><br></div><div> I have a controller node and a compute node. and Opendaylight runs on the controller node.<br></div><div><br></div><div>nova-compute.log:</div><div>INFO nova.virt.libvirt.driver [-] [instance: 975fa79e-6567-4385-be87-9d12a8eb3e94] Instance destroyed successfully.<br>2021-01-02 12:33:23.383 25919 ERROR vif_plug_ovs.ovsdb.impl_vsctl [req-a0a7ebf0-7e63-4c60-a8d2-07c05f1aa4f4 04c7685a2166481a9ace54eb5e71f6e5 ca28ee1038254649ad133d5f09f7a186 - default default] Unable to execute ['ovs-vsctl', '--timeout=120', '--oneline', '--format=json', '--db=tcp:<a href="http://127.0.0.1:6640">127.0.0.1:6640</a>', '--', '--if-exists', 'del-port', 'br-int', 'tap50eb0b68-a4']. Exception: Unexpected error while running command.<br>Command: ovs-vsctl --timeout=120 --oneline --format=json --db=tcp:<a href="http://127.0.0.1:6640">127.0.0.1:6640</a> -- --if-exists del-port br-int tap50eb0b68-a4<br>Exit code: 1<br>Stdout: ''<br>Stderr: 'ovs-vsctl: tcp:<a href="http://127.0.0.1:6640">127.0.0.1:6640</a>: database connection failed (Connection refused)\n': oslo_concurrency.processutils.ProcessExecutionError: Unexpected error while running command.</div><div><br></div><div>controller ovs:</div><div>Manager "tcp:<a href="http://192.168.222.48:6640">192.168.222.48:6640</a>"<br>        is_connected: true<br>    Bridge br-int<br>        Controller "tcp:<a href="http://192.168.222.48:6653">192.168.222.48:6653</a>"<br>            is_connected: true<br>        fail_mode: secure<br>        Port tune52c5c73a50<br>            Interface tune52c5c73a50<br>                type: vxlan<br>                options: {key=flow, local_ip="10.0.0.31", remote_ip="10.0.0.11"}<br>        Port br-int<br>            Interface br-int<br>                type: internal<br>    Bridge br-ex<br>        Port br-ex<br>            Interface br-ex<br>                type: internal<br>        Port ens160<br>            Interface ens160<br>    ovs_version: "2.13.1"</div><div><br></div><div>compute ovs:</div><div>Manager "tcp:<a href="http://192.168.222.48:6640">192.168.222.48:6640</a>"<br>        is_connected: true<br>    Bridge br-int<br>        Controller "tcp:<a href="http://192.168.222.48:6653">192.168.222.48:6653</a>"<br>            is_connected: true<br>        fail_mode: secure<br>        Port br-int<br>            Interface br-int<br>                type: internal<br>        Port tun34b3712d975<br>            Interface tun34b3712d975<br>                type: vxlan<br>                options: {key=flow, local_ip="10.0.0.11", remote_ip="10.0.0.11"}<br>        Port tund5123ce5b8a<br>            Interface tund5123ce5b8a<br>                type: vxlan<br>                options: {key=flow, local_ip="10.0.0.11", remote_ip="10.0.0.31"}<br>    ovs_version: "2.13.1"</div><div><br></div><div><br></div></div>