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[Hua Zhang <joshua.zhang@xxxxxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1515896

Title:
  Update port of admin state to False for neutron floating IP port does
  not take effect

Status in neutron:
  Invalid

Bug description:
  It is expected that when the admin-state of the port is down, it
  should seize all the operations specific to that port. But this is not
  the case with a floating IP port. When the port's admin-state is made
  False, floating IP continues to be operational.

  root@controller:~# neutron port-show bc3f8bf6-c4bf-451a-8b5a-0d0b7624b5ca
  +-----------------------+----------------------------------------------------------------------------------+
  | Field                 | Value                                                                            |
  +-----------------------+----------------------------------------------------------------------------------+
  | admin_state_up        | False                                                                             |
  | allowed_address_pairs |                                                                                  |
  | binding:host_id       |                                                                                  |
  | binding:profile       | {}                                                                               |
  | binding:vif_details   | {}                                                                               |
  | binding:vif_type      | unbound                                                                          |
  | binding:vnic_type     | normal                                                                           |
  | device_id             | ca0d0355-9ebe-46c5-9a31-2e2253da2d40                                             |
  | device_owner          | network:floatingip                                                               |
  | extra_dhcp_opts       |                                                                                  |
  | fixed_ips             | {"subnet_id": "eb1339bd-b552-4207-8856-ccff1de04f47", "ip_address": "10.0.2.18"} |
  | id                    | bc3f8bf6-c4bf-451a-8b5a-0d0b7624b5ca                                             |
  | mac_address           | fa:16:3e:c7:0a:98                                                                |
  | name                  |                                                                                  |
  | network_id            | dda8f089-25b0-4e13-886e-b0b1bc8f5801                                             |
  | security_groups       |                                                                                  |
  | status                | DOWN                                                                             |
  | tenant_id             |                                                                                  |
  +-----------------------+----------------------------------------------------------------------------------+
  root@controller:~# ping 10.0.2.18
  PING 10.0.2.18 (10.0.2.18) 56(84) bytes of data.
  64 bytes from 10.0.2.18: icmp_seq=1 ttl=63 time=2.46 ms
  64 bytes from 10.0.2.18: icmp_seq=2 ttl=63 time=23.4 ms
  ^C
  --- 10.0.2.18 ping statistics ---
  2 packets transmitted, 2 received, 0% packet loss, time 1001ms
  rtt min/avg/max/mdev = 2.466/12.949/23.433/10.484 ms

  Observation:

  1) neutron port-update FLOATING_IP_PORT --admin-state-up False
  2) neutron port-update PRIVATE_IP_PORT --admin-state-up False
  3) neutron port-update PRIVATE_IP_PORT --admin-state-up True
  4) Ping of Floating IP does not work now. 
  5) neutron port-update FLOATING_IP_PORT --admin-state-up True
  6) Ping of Floating IP should start working now.

  Also, this results in the failure of tempest test:
  tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_update_instance_port_admin_state

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