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[Swaminathan Vasudevan <swaminathan.vasudevan@xxxxxx>]

Public bug reported:

When Distributed Routers are created with Interface Ports and after a
Gateway is set to the router,  the plugin will create the "csnat"
interface ports with "device_owner" as "router_csnat_interface".

These ports should be deleted when the Gateway is cleared  or when the
interfaces are removed from the  particular router.

In the current plugin code, these "interface" ports are not deleted when
a Gateway is cleared. But the ports are deleted when the "router
interfaces are removed".

This needs to be fixed.

Since we don't clean up the ports there may be an odd chance of having
unused ports in the "Service-node".

** Affects: neutron
     Importance: Undecided
     Assignee: Swaminathan Vasudevan (swaminathan-vasudevan)
         Status: Confirmed

** Changed in: neutron
     Assignee: (unassigned) => Swaminathan Vasudevan (swaminathan-vasudevan)

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

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https://bugs.launchpad.net/bugs/1350089

Title:
  Distributed Router Gateway Clear does not delete the CSNAT Interface
  Ports for that router.

Status in OpenStack Neutron (virtual network service):
  Confirmed

Bug description:
  When Distributed Routers are created with Interface Ports and after a
  Gateway is set to the router,  the plugin will create the "csnat"
  interface ports with "device_owner" as "router_csnat_interface".

  These ports should be deleted when the Gateway is cleared  or when the
  interfaces are removed from the  particular router.

  In the current plugin code, these "interface" ports are not deleted
  when a Gateway is cleared. But the ports are deleted when the "router
  interfaces are removed".

  This needs to be fixed.

  Since we don't clean up the ports there may be an odd chance of having
  unused ports in the "Service-node".

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