yahoo-eng-team team mailing list archive

[Lucas Alvares Gomes <1949081@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The patch [0] changed the value of the "mcast_flood" option for the
localnet ports in OVN to "false" to avoid multicast packet duplication
but, the maintenance task check_for_mcast_flood_reports was never
updated to account for that change.

Current the maintenance task only checks if the mcast_flood option is
set and if so it moves on to the next port. This means that localnet
ports created prior to [1] will continue to have the mcast_flood value
as "true".

We need to update check_for_mcast_flood_reports to change the value of
mcast_flood to "false" for the localnet ports in case they are unset or
set to "true")

[1] https://review.opendev.org/c/openstack/neutron/+/797418

** Affects: neutron
     Importance: Medium
     Assignee: Lucas Alvares Gomes (lucasagomes)
         Status: Confirmed


** Tags: ovn

** Changed in: neutron
       Status: New => Confirmed

** Changed in: neutron
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1949081

Title:
  [OVN] check_for_mcast_flood_reports maintenance task not accounting
  for localnet "mcast_flood" changes

Status in neutron:
  Confirmed

Bug description:
  The patch [0] changed the value of the "mcast_flood" option for the
  localnet ports in OVN to "false" to avoid multicast packet duplication
  but, the maintenance task check_for_mcast_flood_reports was never
  updated to account for that change.

  Current the maintenance task only checks if the mcast_flood option is
  set and if so it moves on to the next port. This means that localnet
  ports created prior to [1] will continue to have the mcast_flood value
  as "true".

  We need to update check_for_mcast_flood_reports to change the value of
  mcast_flood to "false" for the localnet ports in case they are unset
  or set to "true")

  [1] https://review.opendev.org/c/openstack/neutron/+/797418

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