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[Rodolfo Alonso <2099755@xxxxxxxxxxxxxxxxxx>]

** Changed in: neutron
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/2099755

Title:
  [whitebox-neutron-tempest-plugin]
  ``QosTestExternalNetwork.test_dscp_bwlimit_external_network`` must
  check BW with VMs on different compute nodes

Status in neutron:
  Fix Released

Bug description:
  The test ``QosTestExternalNetwork.test_dscp_bwlimit_external_network``
  is checking the QoS max-bw rules, using "iperf3" between two VMs.
  Since [1][2], the QoS min and max BW rules for LSPs in LS that have
  associated a physical network (and a localnet port) are defined in the
  LSP.options dictionary. The QoS values are set in the localnet port
  interface using "tc" commands.

  If the "iperf3" is done between VMs in the same compute node, this
  traffic won't cross the localnet port and the QoS rules won't be
  applied.

  In the mentioned test, the BW limit check is done between the testing
  VM and "receiver" [3]. Because of the order used in a 2 compute node
  environment, these VMs are always located in the same compute.

  [1]https://review.opendev.org/c/openstack/neutron/+/934418
  [2]https://github.com/ovn-org/ovn/commit/87514ac04271e87c3ad011599378d22ab6bed43c
  [3]https://opendev.org/x/whitebox-neutron-tempest-plugin/src/commit/98b5177a870ab875d936c69c9a84eca4410ed54a/whitebox_neutron_tempest_plugin/tests/scenario/test_qos.py#L1039-L1042

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