Creating DNAT Rules in Batches

Function

This API is used to create DNAT rules in batches.

Note

You can create DNAT rules in batches only when status of the NAT gateway is set to ACTIVE and admin_state_up of the NAT gateway administrator to True. Specify either port_id or private_ip at a time. If you are going to create a DNAT rule that allows traffic to and from all ports of a server and an EIP, set internal_service_port to 0, external_service_port to 0, and protocol to any.

URI

POST /v2/{project_id}/dnat_rules/batch

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

Request

Table 2 lists the request parameter.

Table 2 Request parameter
Parameter	Mandatory	Type	Description
dnat_rules	Yes	Array of dnat_rule objects	Specifies objects of DNAT rules. For details, see Table 3.

Table 3 Description of the dnat_rule field
Parameter	Mandatory	Type	Description
nat_gateway_id	Yes	String	Specifies the NAT gateway ID.
port_id	No	String	Specifies the port ID of the server. Either this parameter or private_ip must be specified.
private_ip	No	String	Specifies the private IP address of a user, for example, the IP address of a VPC connected by a Direct Connect connection. You can specify either this parameter or port_id.
internal_service_port	Yes	Integer	Specifies the port used by servers to provide services accessible from the Internet.
floating_ip_id	Yes	String	Specifies the EIP ID.
external_service_port	Yes	Integer	Specifies the port for providing services for external systems.
protocol	Yes	String	Specifies the protocol. Its value can be tcp (6), udp (17), or any (0).
description	No	String	Provides supplementary information about the DNAT rule. You can enter up to 255 characters.
internal_service_port_range	No	String	Specifies the port range used by the server for providing services for external systems. The number of ports must be the same as that of external _service_port_range. The value ranges from 1 to 65535. Specify two port numbers connected by a single hyphen (-) and no blank spaces in the x-y format, where x is lower than y.
external_service_port_range	No	String	Specifies the port range used by the floating IP address for providing services for external systems. The number of ports must be same as that of internal _service_port_range. The value ranges from 1 to 65535. Specify two port numbers connected by a single hyphen (-) and no blank spaces in the x-y format, where x is lower than y.

Response

Table 4 lists response parameter.

Table 4 Response parameter
Parameter	Type	Description
dnat_rules	Array(dnat_rule)	Specifies objects of DNAT rules. For details, see Table 5.

Table 5 Description of the dnat_rule field
Parameter	Type	Description
id	String	Specifies the DNAT rule ID.
tenant_id	String	Specifies the project ID.
nat_gateway_id	String	Specifies the NAT gateway ID.
port_id	String	Specifies the port ID of the server.
private_ip	String	Specifies the private IP address of a user, for example, the IP address of a VPC connected by a Direct Connect connection.
internal_service_port	Integer	Specifies the port used by servers to provide services accessible from the Internet.
floating_ip_id	String	Specifies the EIP ID.
floating_ip_address	String	Specifies the EIP address.
external_service_port	Integer	Specifies the port for providing services for external systems.
protocol	String	Specifies the protocol. Its value can be tcp (6), udp (17), or any (0).
description	String	Provides supplementary information about the DNAT rule. You can enter up to 255 characters.
status	String	Specifies the status of the DNAT rule. 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 DNAT rule is created (UTC time). Its value rounds to 6 decimal places for seconds. The format is yyyy-mm-dd hh:mm:ss.
internal_service_port_range	String	Specifies the port range used by the server for providing services for external systems. The number of ports must be the same as that of external _service_port_range. The value ranges from 1 to 65535.
external_service_port_range	String	Specifies the port range used by the floating IP address for providing services for external systems. The number of ports must be same as that of internal _service_port_range. The value ranges from 1 to 65535.

Examples

Example requests

Creating rules in batches (In the first DNAT rule, both internal_service_port and external_service_port are set to a specific port number. In the second DNAT rule, both internal_service_port and external_service_port are set to 0.)

POST https://{Endpoint}/v2/d199ba7e0ba64899b2e81518104b1526/dnat_rules/batch
{ 
     "dnat_rules": [{ 
         "floating_ip_id": "bf99c679-9f41-4dac-8513-9c9228e713e1", 
         "nat_gateway_id": "cda3a125-2406-456c-a11f-598e10578541", 
         "port_id": "9a469561-daac-4c94-88f5-39366e5ea193", 
         "internal_service_port": 993, 
         "protocol": "tcp", 
         "external_service_port": 242 
     },
    { 
         "floating_ip_id": "cf99c679-9f41-4dac-8513-9c9228e713e1", 
         "nat_gateway_id": "dda3a125-2406-456c-a11f-598e10578541", 
         "private_ip": "192.168.1.100", 
         "internal_service_port": 0, 
         "protocol": "any", 
         "external_service_port": 0 
     }]
 }

Example responses

Response to the request for creating DNAT rules in batches

{ 
     "dnat_rules": [{ 
         "floating_ip_id": "bf99c679-9f41-4dac-8513-9c9228e713e1", 
         "status": "ACTIVE", 
         "nat_gateway_id": "cda3a125-2406-456c-a11f-598e10578541", 
         "admin_state_up": true, 
         "port_id": "9a469561-daac-4c94-88f5-39366e5ea193",
         "private_ip": "",  
         "internal_service_port": 993, 
         "protocol": "tcp", 
         "tenant_id": "abc", 
         "created_at": "2017-11-15 15:44:42.595173", 
         "id": "79195d50-0271-41f1-bded-4c089b2502ff", 
         "floating_ip_address": "5.21.11.226", 
         "external_service_port": 242,
         "description": "my dnat rule 01"
     },
{ 
         "floating_ip_id": "cf99c679-9f41-4dac-8513-9c9228e713e1", 
         "status": "ACTIVE", 
         "nat_gateway_id": "dda3a125-2406-456c-a11f-598e10578541", 
         "admin_state_up": true, 
         "port_ID": "",
         "private_ip": "192.168.1.100", 
         "internal_service_port": 0, 
         "protocol": "any", 
         "tenant_id": "abc", 
         "created_at": "2017-11-15 15:44:42.595173", 
         "id": "79195d50-0271-41f1-bded-4c089b2502ff", 
         "floating_ip_address": "5.21.11.227", 
         "external_service_port": 0,
         "description": "my dnat rule 01"
     }]
 }

Status Codes

See Status Codes.

Parent topic: DNAT Rules

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