Updated on 2022-01-25 GMT+08:00

Creating a NAT Gateway

Function

This API is used to create a NAT gateway.

URI

POST /v2.0/nat_gateways

Request

Table 1 describes the request parameters.

Table 1 Request parameter

Parameter

Mandatory

Type

Description

nat_gateway

Yes

Object

Specifies the NAT gateway object. For details, see Table 2.

Table 2 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.

Response

Table 3 lists response parameters.

Table 3 Response parameters

Parameter

Type

Description

nat_gateway

Object

Specifies the NAT gateway object. For details, see Table 4.

Table 4 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 ID.

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.

Examples

  • Example request
    POST https://{Endpoint}/v2.0/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"
        }
    }
  • 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" 
        }
    }

Status Code

See Status Codes.