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[Bug 2038978] Re: [OVN] Floating IP <=> Floating IP across subnets

 

*** This bug is a duplicate of bug 2035281 ***
    https://bugs.launchpad.net/bugs/2035281

This issue is the same as
https://bugs.launchpad.net/neutron/+bug/2035281 and fixed in
https://review.opendev.org/c/openstack/neutron/+/895260.

** This bug has been marked a duplicate of bug 2035281
   [ML2/OVN] DGP/Floating IP issue - no flows for chassis gateway port

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https://bugs.launchpad.net/bugs/2038978

Title:
  [OVN] Floating IP <=> Floating IP across subnets

Status in neutron:
  In Progress

Bug description:
  When using OVN, if you have a virtual router with a gateway that is in
  subnet A, and has a port that has a floating IP attached to it from
  subnet B, they seem to not be reachable.

  https://mail.openvswitch.org/pipermail/ovs-dev/2021-July/385253.html

  There was a fix brought into OVN with this not long ago, it introduces
  an option called `options:add_route` to `true`.

  see: https://mail.openvswitch.org/pipermail/ovs-
  dev/2021-July/385255.html

  I think we should do this in order to mirror the same behaviour in
  ML2/OVS since we install scope link routes.

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