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[Assaf Muller <amuller@xxxxxxxxxx>]

Public bug reported:

DVR code currently assumes that only one router may be attached to a
subnet but this is not the case. OVS flows for example will not work
correctly for E/W traffic as incoming traffic is always assumed to be
coming from one of the two routers.

The simple solution is to block the attachment of a distributed router
to a subnet already attached to another distributed router.

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-dvr-backlog

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https://bugs.launchpad.net/bugs/1447227

Title:
  Connecting two or more distributed routers to a subnet doesn't work
  properly

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  DVR code currently assumes that only one router may be attached to a
  subnet but this is not the case. OVS flows for example will not work
  correctly for E/W traffic as incoming traffic is always assumed to be
  coming from one of the two routers.

  The simple solution is to block the attachment of a distributed router
  to a subnet already attached to another distributed router.

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