As OVN started implementing L3HA with the use of BFD monitoring, after discussing with the people who is doing QA and thinking about future troubleshooting of the feature, they proposed something the thing on $subject.
What do you think? For example, in this case: [heat-admin@overcloud-novacompute-0 ~]$ sudo ovs-vsctl list Interface | grep -E "bfd |name |bfd_status" bfd : {} bfd_status : {} name : "tapc6eed125-08" bfd : {enable="true"} bfd_status : {diagnostic="No Diagnostic", flap_count="1", forwarding="true", remote_diagnostic="No Diagnostic", remote_state=up, state=up} name : "ovn-e4dd7a-0" bfd : {enable="true"} bfd_status : {diagnostic="No Diagnostic", flap_count="1", forwarding="true", remote_diagnostic="No Diagnostic", remote_state=up, state=up} name : "ovn-14d60a-0" bfd : {} bfd_status : {} name : br-ex bfd : {} bfd_status : {} name : "vlan30" bfd : {} bfd_status : {} name : br-int bfd : {} bfd_status : {} name : "vlan20" bfd : {} bfd_status : {} name : "tapd09b3382-50" bfd : {} bfd_status : {} name : "vlan50" bfd : {} bfd_status : {} name : "eth0" bfd : {enable="true"} bfd_status : {diagnostic="No Diagnostic", flap_count="1", forwarding="true", remote_diagnostic="No Diagnostic", remote_state=up, state=up} name : "ovn-c8b85a-0" It could look like: [heat-admin@overcloud-novacompute-0 ~]$ sudo ovs-vsctl show 5f35518a-ab34-49a4-a227-e487e251b7e3 Manager "ptcp:6640:127.0.0.1" is_connected: true Bridge br-int fail_mode: secure Port "ovn-14d60a-0" Interface "ovn-14d60a-0" type: geneve options: {csum="true", key=flow, remote_ip="172.16.0.12"} * bfd: {remote_state="up", state="up", flap_count="1"}* Port "ovn-e4dd7a-0" Interface "ovn-e4dd7a-0" type: geneve options: {csum="true", key=flow, remote_ip="172.16.0.22"} * bfd: {remote_state="up", state="up", flap_count="1"}* Port br-int Interface br-int type: internal Port "tapd09b3382-50" Interface "tapd09b3382-50" Port "tapc6eed125-08" Interface "tapc6eed125-08" Port "ovn-c8b85a-0" Interface "ovn-c8b85a-0" type: geneve options: {csum="true", key=flow, remote_ip="172.16.0.17"} *bfd: {remote_state="up", state="up", flap_count="1"}* Bridge br-ex fail_mode: standalone Port "vlan30" tag: 30 Interface "vlan30" type: internal Port br-ex Interface br-ex type: internal Port "eth0" Interface "eth0" Port "vlan50" tag: 50 Interface "vlan50" type: internal Port "vlan20" tag: 20 Interface "vlan20" type: internal ovs_version: "2.8.1"
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