DescribeCenAttachedChildInstanceAttribute - Cloud Enterprise Network

Queries the information about a network instance, such as a virtual private cloud (VPC), a virtual border router, or a Cloud Connect Network (CCN) instance, that is attached to a Cloud Enterprise Network (CEN) instance.

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Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
cen:DescribeCenAttachedChildInstanceAttribute	get	CenInstance acs:cen:*:{#accountId}:ceninstance/{#ceninstanceId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
CenId	string	Yes	The ID of the CEN instance.	cen-5mv960yjhja0dh****
ChildInstanceId	string	Yes	The ID of the network instance that is attached to the CEN instance.	vpc-2zebdboka7d7t37vo****
ChildInstanceType	string	Yes	The type of the network instance. Valid values: VPC: virtual private cloud (VPC) VBR: virtual border router (VBR) CCN: Cloud Connect Network (CCN) instance	VPC
ChildInstanceRegionId	string	Yes	The region ID of the network instance. You can call the DescribeRegions operation to query the most recent region list.	cn-beijing

Response parameters

Parameter	Type	Description	Example
	object
Status	string	Indicates whether the network instance is attached to the CEN instance. Attaching: The network instance is being attached to the CEN instance. Attached: The network instance is attached to the CEN instance. Detaching: The network instance is being detached from the CEN instance.	Attached
ChildInstanceType	string	The type of the network instance. Valid values: VPC: VPC VBR: VBR CCN: CCN instance	VPC
ChildInstanceRegionId	string	The region ID of the network instance.	cn-beijing
RequestId	string	The ID of the request.	ADD98358-D265-4060-87CB-A2427F5A8944
ChildInstanceOwnerId	long	The ID of the Alibaba Cloud account to which the network instance belongs.	1688000000000000
ChildInstanceId	string	The ID of the network instance.	vpc-2zebdboka7d7t37vo****
CenId	string	The ID of the CEN instance.	cen-5mv960yjhja0dh****
ChildInstanceName	string	The name of the network instance.	defaultvpc
ChildInstanceAttachTime	string	The time when the network instance was attached to the CEN instance. The time follows the ISO 8601 standard in the yyyy-MM-ddThh:mmZ format. The time is displayed in UTC.	2018-07-30T07:53Z
ChildInstanceAttributes	object	The details about the network instance.
CidrBlock	string	The IPv4 CIDR block of the VPC.	192.168.0.0/16
SecondaryCidrBlocks	array	The information about the VPC secondary CIDR block.
secondaryCidrBlock	string	The secondary IPv4 CIDR block of the VPC.	192.168.20.0/24
Ipv6CidrBlock	string	The IPv6 CIDR block of the VPC.	2408:XXXX:0:a600::/56
Ipv6CidrBlocks	array<object>	The IPv6 CIDR blocks of the VPC.
ipv6CidrBlock	object
Ipv6Isp	string	The type of the IPv6 CIDR block of the VPC. Valid values: BGP (default): Alibaba Cloud Border Gateway Protocol (BGP) IPv6 ChinaMobile: China Mobile (single line) ChinaUnicom: China Unicom (single line) ChinaTelecom: China Telecom (single line) Note If you are on the whitelist of single-line bandwidth, you can set this parameter to ChinaTelecom, ChinaUnicom, or ChinaMobile.	BGP
Ipv6CidrBlock	string	The IPv6 CIDR block of the VPC.	2408:XXXX:0:6a::/56

Examples

Sample success responses

JSONformat

{
  "Status": "Attached",
  "ChildInstanceType": "VPC",
  "ChildInstanceRegionId": "cn-beijing",
  "RequestId": "ADD98358-D265-4060-87CB-A2427F5A8944",
  "ChildInstanceOwnerId": 1688000000000000,
  "ChildInstanceId": "vpc-2zebdboka7d7t37vo****",
  "CenId": "cen-5mv960yjhja0dh****",
  "ChildInstanceName": "defaultvpc",
  "ChildInstanceAttachTime": "2018-07-30T07:53Z",
  "ChildInstanceAttributes": {
    "CidrBlock": "192.168.0.0/16",
    "SecondaryCidrBlocks": {
      "secondaryCidrBlock": [
        "192.168.20.0/24"
      ]
    },
    "Ipv6CidrBlock": "2408:XXXX:0:a600::/56",
    "Ipv6CidrBlocks": {
      "ipv6CidrBlock": [
        {
          "Ipv6Isp": "BGP",
          "Ipv6CidrBlock": "2408:XXXX:0:6a::/56"
        }
      ]
    }
  }
}

Error codes

HTTP status code	Error code	Error message	Description
400	SystemBusy	The system is busy. Please try again later.	The error message returned because the system is unavailable. Try again later.
400	InvalidParameter	Invalid parameter.	The error message returned because the parameter is set to an invalid value.
400	Unauthorized	The AccessKeyId is unauthorized.	The error message returned because you do not have the permissions to perform this operation.
404	ParameterError	The parameter is error.	The error message returned because a parameter is invalid.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2023-04-27	The Error code has changed. The response structure of the API has changed	View Change Details