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[Bug 1362908] Re: snat namespace remain on network node after the router is deleted

 

** Changed in: neutron
       Status: Fix Committed => Fix Released

** Changed in: neutron
    Milestone: None => kilo-1

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https://bugs.launchpad.net/bugs/1362908

Title:
  snat namespace remain on network node after the router is deleted

Status in OpenStack Neutron (virtual network service):
  Fix Released

Bug description:
  On a controller node, with L3 agent mode of 'dvr_snat', the snat
  namespace remains on the node even after the router is deleted.

  This problem is  reproduced on a 3 node setup with 2 compute nodes and
  one controller node setup using devstack. L3 agent mode on compute
  nodes is 'dvr'.  The mode on the controller node is 'dvr-snat'.

  1. Create a network and a subnetwork.
  2. Boot a VM using the network.
  3. Create a router
  4. Run neutron router-interface-add <router> <subnet>
  5. Run neutron router-gateway-set <router> public
  6. Wait awhile, then do neutron router-gateway-clear <router> public
  7. Run neutron router-interface-delete <router> <subnet>
  8. delete the router.

  The router namespace is deleted on the control node. but the snat
  namespace of the router remains.

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References