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Setting of NEC NWA plugin

This section describes the configurations of the releases of NEC NWA plugin.

neutron.conf

core_plugin: Needs to be configured to necnwa to use NEC NWA plugin as core plugin. :
```
core_plugin = necnwa
```
service_plugin: Needs to be configured to necnwa_router to use NEC NWA plugin as service plugin. :
```
service_plugin = necnwa_router
```

plugin specific configuration

It is usually placed at /etc/neutron/plugins/nec/necnwa.ini.

[ml2] section

type_drivers: Needs to be configured to vlan to use NEC NWA plugin as type_drivers. :
```
type_drivers = vlan
```
tenant_network_types: Needs to be configured to vlan to use NEC NWA plugin as tenant_network_types. :
```
tenant_network_types = vlan
```
mechanism_drivers: Needs to be configured to necnwa and openvswitch to use NEC NWA plugin as mechanism_drivers. :
```
mechanism_drivers = necnwa,openvswitch
```

[ml2_type_vlan] section

network_vlan_ranges: Specify the name of an available physical network and a range of VIDs on that network available for allocation to tenant networks. The physical network should be the same name of NWA resource group name. :
```
network_vlan_ranges = OpenStack/DC/APP:1000:2999,OpenStack/DC/HA1:10:2999,OpenStack/DC/HA2:10:2999
```

[ovs] section

bridge_mappings: Specify list of <physical_network>:<bridge> tuples, each specifying an OVS bridge used by the agent for a physical network to which it is connected. :
```
bridge_mappings = OpenStack/DC/HA1:br-eth1,OpenStack/DC/HA2:br-eth2
```

[NWA] section

server_url: The URL of the http/https server listening for NWA RESTful API:
```
server_url = http://192.168.122.1:12081
```
access_key_id: The access key ID of NWA RESTful API server. The access key consists of an access key ID and secret access key, which are used to sign RESTful API requests that you make to NWA. :
```
access_key_id = mjivAk6O3G4Ko/0mD8mHUyQwqugEPgTe0FSli8REyN4=
```
secret_access_key: The secret access key of NWA Restful API server. The access key consists of an access key ID and secret access key, which are used to sign RESTful API requests that you make to NWA. :
```
secret_access_key = /3iSORtq1E3F+SQtQg6YN00eM3GUda0EKqWDUV/mvqo=
```
resource_group_name: A default rerouce group name when NWA tenant is created. :
```
resource_group_name = OpenStack/DC/APP
```
scenario_polling_timer: Specifies the polling interval of the scenario in seconds. :
```
scenario_polling_timer = 5
```
scenario_polling_count: Specifies the polling counts of the scenario. :
```
scenario_polling_count = 300
```
region_name: A region name (It is the prefix of NWA tenant name). :
```
region_name = T01DC
```
resource_group_file: Load the table of NWA resource group from the file. :
```
resource_group_file = resource_group.json
```
use_necnwa_router: If you use OpenStack L3 Router instead of NEC NWA Router, it set to False. The default value is True. :
```
use_necnwa_router = True
```
use_neutron_vlan_id: If you want to use a vlan id which is assigned by neutron, it set to True. The default value is False. In case of False, the vlan id will be assigned by NWA. :
```
use_neutron_vlan_id = True
```

NWA resource group file

It is usually placed at "/etc/neutron/plugins/nec/resource_group.json."

This file contains a table of NWA resource group. The format of the file is JSON.

The physical_network is a name of physical network which is used in neutron. It should be set to the same value as ResourceGroupName member.

The device_owner is the owner of the device in OpenStack.

It is specified as compute:AVAILABILITY_ZONE, the VM that has a nova boot option --available-zone is created on the physical network corresponding with the device owner.

If the option --available-zone is not specified in nova boot, regarded as compute:None has been specified.

All available DHCP agent in OpenStack specifies as network:dhcp.

The ResourceGroupName is a name of NWA's resource group name.

[
   {
       "physical_network": "OpenStack/DC/HA1",
       "device_owner": "compute:DC01_KVM01_ZONE01",
       "ResourceGroupName": "OpenStack/DC/HA1"
   },
   {
       "physical_network": "OpenStack/DC/HA2",
       "device_owner": "compute:DC01_KVM02_ZONE02",
       "ResourceGroupName": "OpenStack/DC/HA2"
   },
   {
       "physical_network": "OpenStack/DC/HA1",
       "device_owner": "compute:None",
       "ResourceGroupName": "OpenStack/DC/HA1"
   },
   {
       "physical_network": "OpenStack/DC/HA2",
       "device_owner": "compute:None",
       "ResourceGroupName": "OpenStack/DC/HA2"
   },
   {
       "physical_network": "OpenStack/DC/HA1",
       "device_owner": "network:dhcp",
       "ResourceGroupName": "OpenStack/DC/HA1"
   },
   {
       "physical_network": "OpenStack/DC/HA2",
       "device_owner": "network:dhcp",
       "ResourceGroupName": "OpenStack/DC/HA2"
   },
   {
       "physical_network": "OpenStack/DC/APP",
       "device_owner": "network:router_gateway",
       "ResourceGroupName": "OpenStack/DC/APP"
   },
   {
       "physical_network": "OpenStack/DC/APP",
       "device_owner": "network:router_interface",
       "ResourceGroupName": "OpenStack/DC/APP"
   },
]

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