Creating a NAT Gateway

Function

This API is used to create a NAT gateway.

URI

POST /v2/{project_id}/nat_gateways

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
project_id	Yes	String	Specifies the project ID.

Request

Table 2 describes the request parameters.

**Table 2** Request parameter
Parameter	Mandatory	Type	Description
nat_gateway	Yes	Object	Specifies the NAT gateway object. For details, see Table 3.

**Table 3** Description of the **nat_gateway** field
Parameter	Mandatory	Type	Description
tenant_id	No	String	Specifies the project ID.
name	Yes	String(64)	Specifies the NAT gateway name. The name can contain only digits, letters, underscores (_), and hyphens (-).
description	No	String(255)	Provides supplementary information about the NAT gateway.
spec	Yes	String	Specifies the NAT gateway type. The value can be: 1: small type, which supports up to 10,000 SNAT connections. 2: medium type, which supports up to 50,000 SNAT connections. 3: large type, which supports up to 200,000 SNAT connections. 4: extra-large type, which supports up to 1,000,000 SNAT connections.
router_id	Yes	String	Specifies the VPC ID.
internal_network_id	Yes	String	Specifies the network ID of the downstream interface (the next hop of the DVR) of the NAT gateway.
enterprise_project_id	No	String	Specifies the enterprise project ID. When creating a NAT gateway, associate an enterprise project ID with the NAT gateway. The value 0 indicates the default enterprise project. The value can contain a maximum of 36 characters. It is string "0" or in UUID format with hyphens (-).

Response

Table 4 lists response parameters.

**Table 4** Response parameters
Parameter	Type	Description
nat_gateway	Object	Specifies the NAT gateway object. For details, see Table 5.

**Table 5** Description of the **nat_gateway** field
Parameter	Type	Description
id	String	Specifies the NAT gateway ID.
tenant_id	String	Specifies the project ID.
name	String(64)	Specifies the NAT gateway name. The name can contain only digits, letters, underscores (_), and hyphens (-).
description	String(255)	Provides supplementary information about the NAT gateway.
spec	String	Specifies the NAT gateway type. The value can be: 1: small type, which supports up to 10,000 SNAT connections. 2: medium type, which supports up to 50,000 SNAT connections. 3: large type, which supports up to 200,000 SNAT connections. 4: extra-large type, which supports up to 1,000,000 SNAT connections.
router_id	String	Specifies the router UUID.
internal_network_id	String	Specifies the network ID of the downstream interface (the next hop of the DVR) of the NAT gateway.
status	String	Specifies the status of the NAT gateway. For details about all its values, see Table 1.
admin_state_up	Boolean	Specifies the unfrozen or frozen state. The value can be: true: indicates the unfrozen state. false: indicates the frozen state.
created_at	String	Specifies when the NAT gateway is created (UTC time). Its value rounds to 6 decimal places for seconds. The format is yyyy-mm-dd hh:mm:ss.
dnat_rules_limit	String	Specifies the maximum number of DNAT rules of a NAT gateway.
snat_rule_public_ip_limit	String	Specifies the maximum number of EIPs that can be bound to an SNAT rule of a NAT gateway.
billing_info	String	If the billing mode of a NAT gateway is Yearly/Monthly, the value indicates the order information. If the billing mode of a NAT gateway is Pay-per-use, the value is an empty string.
enterprise_project_id	String	Specifies the enterprise project ID. When creating a NAT gateway, associate an enterprise project ID with the NAT gateway. The value 0 indicates the default enterprise project. The value can contain a maximum of 36 characters. It is string "0" or in UUID format with hyphens (-).

Examples

Example request

POST https://{Endpoint}/v2/27e25061336f4af590faeabeb7fcd9a3/nat_gateways 
{ 
        "nat_gateway": { 
        "name": "nat_001", 
        "description": "my nat gateway 01", 
        "router_id": "d84f345c-80a1-4fa2-a39c-d0d397c3f09a", 
        "internal_network_id": "89d66639-aacb-4929-969d-07080b0f9fd9", 
        "spec": "1",
        "enterprise_project_id": "0aad99bc-f5f6-4f78-8404-c598d76b0ed2"
    } 
}

Example response

{ 
    "nat_gateway": { 
        "router_id": "d84f345c-80a1-4fa2-a39c-d0d397c3f09a", 
        "status": "PENDING_CREATE", 
        "description": "my nat gateway 01", 
        "admin_state_up": true, 
        "tenant_id": "27e25061336f4af590faeabeb7fcd9a3", 
        "created_at": "2017-11-18 07:34:32.203044", 
        "spec": "1", 
        "internal_network_id": "89d66639-aacb-4929-969d-07080b0f9fd9", 
        "id": "a78fb3eb-1654-4710-8742-3fc49d5f04f8", 
        "name": "nat_001",
        "dnat_rules_limit": "200",
        "snat_rule_public_ip_limit": "20",
        "enterprise_project_id": "0aad99bc-f5f6-4f78-8404-c598d76b0ed2",
        "billing_info": ""
    } 
}