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[Vivekanandan Narasimhan <vivekanandan.narasimhan@xxxxxx>]

Public bug reported:

The DVR enabled L2 OVS Agent switches to operate in non-dvr mode if the
first RPC call get_dvr_mac_address_by_host() fails during its init_().
After that the L2 Agent sticks to operate in non-dvr mode thereby
ripping off the ability to run DVR on such nodes.

The fix for this bug , is to enable DVR RPC calls to be made on-demand
to the controller only when the first local port on a dvr routed subnet
is detected to be plumbed by the L2 OVS Agent on the node.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1364215

Title:
  L2 Agent switch to non-dvr mode on first RPC failure

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  The DVR enabled L2 OVS Agent switches to operate in non-dvr mode if
  the first RPC call get_dvr_mac_address_by_host() fails during its
  init_().  After that the L2 Agent sticks to operate in non-dvr mode
  thereby ripping off the ability to run DVR on such nodes.

  The fix for this bug , is to enable DVR RPC calls to be made on-demand
  to the controller only when the first local port on a dvr routed
  subnet is detected to be plumbed by the L2 OVS Agent on the node.

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