ModifyDnatEntry

1. API Description

This API (ModifyDnatEntry) is used to modify a DNAT rule.

2. Input Parameters

The following request parameter list only provides API request parameters.

Parameter Name	Required	Type	Description
dnatEntryId	Yes	String	DNAT rule ID.
eipId	Yes	String	ID of the elastic IP associated with the DNAT rule to be modified. It can be obtained by calling DescribeEips.
privateIp	Yes	String	The private IP address configured in the DNAT rule.
protocol	Yes	DnatEntryProtocol	The protocol type configured in the DNAT rule.
listenerPort	No	String	The public port or port range forwarded by the DNAT rule. Valid values: 1–65535.
internalPort	No	String	The private port or port range forwarded by the DNAT rule. Valid values: 1–65535.

3. Output Parameters

Parameter Name	Type	Description
requestId	String	The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Code Example

Example

Modify a DNAT entry.

POST /api/v2/zec HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: ModifyDnatEntry
<Common Request Params>

Request：
{
    "dnatEntryId": "<dnatEntryId>",
    "eipId": "<eipId>",
    "privateIp": "10.0.0.2",
    "protocol": "TCP",
    "listenerPort": "1-30",
    "internalPort": "1-30"
}

Response：
{
  "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3",
  "response": {
    "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3"
  }
}

5. Developer Resources

Zenlayer Cloud API 2.0 integrates SDKs，to make it easier for you to call APIs. More programming languages will be supported.

6. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

HTTP Status Code	Error Code	Description
404	INVALID_DNAT_ENTRY_NOT_FOUND	DNAT entry does not exist.
404	INVALID_NAT_NOT_FOUND	NAT gateway does not exist.
400	OPERATION_DENIED_NAT_STATUS	NAT gateway state is not RUNNING.
404	INVALID_EIP_NOT_FOUND	Elastic IP does not exist.
400	OPERATION_DENIED_EIP_NOT_ASSIGNED	Elastic IP is not bound.
400	OPERATION_DENIED_EIP_NOT_ASSIGN_NAT	The elastic IP isn't assigned to the NAT gateway.