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[Ashok kumaran B <ashokkumaran.b@xxxxxxxxx>]

The range defined in ml2.conf is only for tenant allocation, it doesnt
stop you from creating a provider network with a different vlan id, an
admin is capable of doing that. This is expected

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

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https://bugs.launchpad.net/bugs/1422629

Title:
  Creating a network with explicitly specified segmentation id must
  fail, if that id is not confiured

Status in OpenStack Neutron (virtual network service):
  Invalid

Bug description:
  Consider scenario, where ml2 plugin is configured with following segment ranges.
  network_vlan_ranges=physnet1:1000:1999
  vni_ranges=500:999

  Now, if I create a Network specifying a segmentation id which is not
  in the range specified in the configuration file, the resource is
  getting created.

  neutron net-create net1 --provider:network_type=vlan --provider:physical_network=physnet1 --provider:segmentation_id=100
  Created a new network:
  +---------------------------+--------------------------------------+
  | Field                     | Value                                |
  +---------------------------+--------------------------------------+
  | admin_state_up            | True                                 |
  | id                        | dbe747f5-9d45-403d-97b2-6f4dd82aef47 |
  | name                      | net1                               |
  | provider:network_type     | vlan                                 |
  | provider:physical_network | physnet1                             |
  | provider:segmentation_id  | 100                                  |
  | router:external           | False                                |
  | shared                    | False                                |
  | status                    | ACTIVE                               |
  | subnets                   |                                      |
  | tenant_id                 | e7897ad9e9f84826a0a7bfe6086e9278     |
  +---------------------------+--------------------------------------+

  
  neutron net-create net2 --provider:network_type=vxlan --provider:segmentation_id=10000
  Created a new network:
  +---------------------------+--------------------------------------+
  | Field                     | Value                                |
  +---------------------------+--------------------------------------+
  | admin_state_up            | True                                 |
  | id                        | ec9dd22a-ae53-41f0-9c78-348e77508dff |
  | name                      | net2                               |
  | provider:network_type     | vxlan                                |
  | provider:physical_network |                                      |
  | provider:segmentation_id  | 10000                                |
  | router:external           | False                                |
  | shared                    | False                                |
  | status                    | ACTIVE                               |
  | subnets                   |                                      |
  | tenant_id                 | e7897ad9e9f84826a0a7bfe6086e9278     |
  +---------------------------+--------------------------------------+

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