2.6. Getting a snapshot of OVS interfaces from a running node

Procedure

• To see a snapshot of OVS interfaces from a running MicroShift node, use the following command:

  $ sudo ovs-vsctl show

  Example OVS interfaces in a running node

  9d9f5ea2-9d9d-4e34-bbd2-dbac154fdc93
      Bridge br-ex
          Port br-ex
              Interface br-ex
                  type: internal
          Port patch-br-ex_localhost.localdomain-to-br-int 

  1

  
              Interface patch-br-ex_localhost.localdomain-to-br-int
                  type: patch
                  options: {peer=patch-br-int-to-br-ex_localhost.localdomain} 

  2

  
      Bridge br-int
          fail_mode: secure
          datapath_type: system
          Port patch-br-int-to-br-ex_localhost.localdomain
              Interface patch-br-int-to-br-ex_localhost.localdomain
                  type: patch
                  options: {peer=patch-br-ex_localhost.localdomain-to-br-int}
          Port eebee1ce5568761
              Interface eebee1ce5568761 

  3

  
          Port b47b1995ada84f4
              Interface b47b1995ada84f4 

  4

  
          Port "3031f43d67c167f"
              Interface "3031f43d67c167f" 

  5

  
          Port br-int
              Interface br-int
                  type: internal
          Port ovn-k8s-mp0 

  6

  
              Interface ovn-k8s-mp0
                  type: internal
      ovs_version: "2.17.3"

  1

  The patch-br-ex_localhost.localdomain-to-br-int and patch-br-int-to-br-ex_localhost.localdomain are OVS patch ports that connect br-ex and br-int.

  2

  The patch-br-ex_localhost.localdomain-to-br-int and patch-br-int-to-br-ex_localhost.localdomain are OVS patch ports that connect br-ex and br-int.

  3

  The pod interface eebee1ce5568761 is named with the first 15 bits of the pod sandbox ID and is plugged into the br-int bridge.

  4

  The pod interface b47b1995ada84f4 is named with the first 15 bits of the pod sandbox ID and is plugged into the br-int bridge.

  5

  The pod interface 3031f43d67c167f is named with the first 15 bits of the pod sandbox ID and is plugged into the br-int bridge.

  6

  The OVS internal port for hairpin traffic,ovn-k8s-mp0 is created by the ovnkube-master container.