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doc-exports/docs/natgw/api-ref/CreatePrivateNat.html
zhoumeng35 f463d397b5 NAT api 0920
Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com>
Co-authored-by: zhoumeng35 <zhoumeng35@huawei.com>
Co-committed-by: zhoumeng35 <zhoumeng35@huawei.com>
2025-05-05 12:02:05 +00:00

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Creating a Private NAT Gateway

Function

This API is used to create a private NAT gateway.

URI

POST /v3/{project_id}/private-nat/gateways

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Specifies the project ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Specifies the user token.

It is a response to the API used to obtain a user token. This API is the only one that does not require authentication.

The value of X-Subject-Token in the response header is the token value.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

gateway

Yes

CreatePrivateNatOption object

Specifies the request body for creating the private NAT gateway.

Table 4 CreatePrivateNatOption

Parameter

Mandatory

Type

Description

name

Yes

String

Specifies the private NAT gateway name.

Only digits, letters, underscores (_), and hyphens (-) are allowed.

description

No

String

Provides supplementary information about the private NAT gateway. The description can contain up to 255 characters and cannot contain angle brackets (<>).

spec

No

String

Specifies the private NAT gateway specifications.

The value can be:

  • Small

  • Medium

  • Large

  • Extra-large

Default value:

Small

Enumeration values:

  • Small

  • Medium

  • Large

  • Extra-large

downlink_vpcs

Yes

Array of DownlinkVpcOption objects

Specifies the VPC where the private NAT gateway works.

tags

No

Array of Tag objects

Specifies the tag list.

enterprise_project_id

No

String

Specifies the ID of the enterprise project that is associated with the private NAT gateway when the private NAT gateway is created.

For more information about enterprise projects and how to obtain enterprise project IDs, see Enterprise Management User Guide.

Default value:

0

Table 5 DownlinkVpcOption

Parameter

Mandatory

Type

Description

virsubnet_id

Yes

String

Specifies the ID of the subnet where the private NAT gateway works.

ngport_ip_address

No

String

Specifies the private IP address of the private NAT gateway.

Table 6 Tag

Parameter

Mandatory

Type

Description

key

Yes

String

Specifies the tag key. A key can contain up to 128 Unicode characters. key cannot be left blank.

value

Yes

String

Specifies the tag value. Each value can contain up to 255 Unicode characters.

Response Parameters

Status code: 201

Table 7 Response body parameters

Parameter

Type

Description

gateway

PrivateNat object

Specifies the response body for the private NAT gateway.

request_id

String

Specifies the request ID.

Table 8 PrivateNat

Parameter

Type

Description

id

String

Specifies the private NAT gateway ID.

project_id

String

Specifies the project ID.

name

String

Specifies the private NAT gateway name.

description

String

Provides supplementary information about the private NAT gateway. The description can contain up to 255 characters and cannot contain angle brackets (<>).

spec

String

Specifies the private NAT gateway specifications.

The value can be:

  • Small

  • Medium

  • Large

  • Extra-large

Default value:

Small

Enumeration values:

  • Small

  • Medium

  • Large

  • Extra-large

status

String

Specifies the private NAT gateway status.

The value can be:

  • ACTIVE: The private NAT gateway is running properly.

  • FROZEN: The private NAT gateway is frozen.

Enumeration values:

  • ACTIVE

  • FROZEN

created_at

String

Specifies the time when the private NAT gateway was created. It is a UTC time in yyyy-mm-ddThh:mm:ssZ format.

updated_at

String

Specifies the time when the private NAT gateway was updated. It is a UTC time in yyyy-mm-ddThh:mm:ssZ format.

downlink_vpcs

Array of DownlinkVpc objects

Specifies the VPC where the private NAT gateway works.

tags

Array of Tag objects

Specifies the list of tags.

enterprise_project_id

String

Specifies the ID of the enterprise project that is associated with the private NAT gateway when the private NAT gateway is created.

rule_max

Integer

Specifies the maximum number of rules.

Value range:

0-65535

transit_ip_pool_size_max

Integer

Specifies the maximum number of transit IP addresses in a transit IP address pool.

Value range:

1-100

Table 9 DownlinkVpc

Parameter

Type

Description

vpc_id

String

Specifies the ID of the VPC where the private NAT gateway works.

virsubnet_id

String

Specifies the ID of the subnet where the private NAT gateway works.

ngport_ip_address

String

Specifies the private IP address of the private NAT gateway.

Table 10 Tag

Parameter

Type

Description

key

String

Specifies the tag key. A key can contain up to 128 Unicode characters. key cannot be left blank.

value

String

Specifies the tag value. Each value can contain up to 255 Unicode characters.

Example Requests

Creating a private NAT gateway (Setting name to private-nat-gateway-name, spec to Small, and virsubnet_id to 373979ee-f4f0-46c5-80e3-0fbf72646b70)

POST https://{Endpoint}/v3/70505c941b9b4dfd82fd351932328a2f/private-nat/gateways

{
  "gateway" : {
    "name" : "private-nat-gateway-name",
    "spec" : "Small",
    "enterprise_project_id" : "2759da7b-8015-404c-ae0a-a389007b0e2a",
    "description" : "create private nat",
    "downlink_vpcs" : [ {
      "virsubnet_id" : "373979ee-f4f0-46c5-80e3-0fbf72646b70"
    } ],
    "tags" : [ {
      "key" : "key1",
      "value" : "value1"
    } ]
  }
}

Example Responses

Status code: 201

Private NAT gateway created.

{
  "request_id" : "9882046a9b96f1405472e36d797e33dc",
  "gateway" : {
    "id" : "14338426-6afe-4019-996b-3a9525296e11",
    "name" : "private-nat-gateway-name",
    "description" : "private-nat-gateway-description",
    "spec" : "Small",
    "project_id" : "70505c941b9b4dfd82fd351932328a2f",
    "enterprise_project_id" : "2759da7b-8015-404c-ae0a-a389007b0e2a",
    "status" : "ACTIVE",
    "created_at" : "2019-04-22T08:47:13",
    "updated_at" : "2019-04-22T08:47:13",
    "tags" : [ {
      "key" : "key1",
      "value" : "value1"
    } ],
    "downlink_vpcs" : [ {
      "vpc_id" : "3cb66d44-9f75-4237-bfff-e37b14d23ad2",
      "virsubnet_id" : "373979ee-f4f0-46c5-80e3-0fbf72646b70",
      "ngport_ip_address" : "192.168.10.190"
    } ],
    "transit_ip_pool_size_max" : 1,
    "rule_max" : 20
  }
}

Status Codes

Status Code

Description

201

Private NAT gateway created.

Error Codes

See Error Codes.