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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1201692

Title:
  can not create port after some port update operations

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

Bug description:
  I did some test on port-update operation. I found that once a port is
  updated with a ip address not in any allocation pool then you can not
  change the port's ip address any more because the old ip address can
  not be recycled. Even worse, you can create new port because create
  port operation will trigge ip recycle operation. take the following
  step to reproduce.

  1. create a new network
  # neutron net-create test1
  2. create a new subnet for that network
  # neutron subnet-create 6d7a4316-4649-495f-bcd7-16fcd4c4df1d 192.168.1.0/24 --allocation-pool  start=192.168.1.10,end=192.168.1.50
  3. create a new port
  # neutron port-create 6d7a4316-4649-495f-bcd7-16fcd4c4df1d
  4. update ip address
  # neutron port-update  7f0a65fb-060e-4c3e-a1ac-7d1535f5e42a --fixed-ips list=true type=dict  ip_address=192.168.1.100
  # neutron port-update  7f0a65fb-060e-4c3e-a1ac-7d1535f5e42a --fixed-ips list=true type=dict  ip_address=192.168.1.200
  5. wait for CONF.dhcp_lease_duration seconds (default value 120)
  # neutron port-update  7f0a65fb-060e-4c3e-a1ac-7d1535f5e42a --fixed-ips list=true type=dict  ip_address=192.168.1.100
  Invalid input for operation: No allocation pool found for ip address:192.168.1.100.
  6. create new port
  # neutron port-create 6d7a4316-4649-495f-bcd7-16fcd4c4df1d
  Invalid input for operation: No allocation pool found for ip address:192.168.1.100.

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