DescribeCens - Cloud Enterprise Network - Alibaba Cloud Documentation Center

Authorization information

The following table is the authorization information corresponding to the API, which can be found in the RAM permission policy statement.Action Used in the element to grant the RAM user or RAM role permission to call this API. The specific instructions are as follows:

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 keyword: refers to the condition keyword defined by the cloud product itself.
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.

Operate	access level	Resource type	conditional keyword	Association operation
cen:DescribeCens	LIST	CEN acs:cen::{#accountId}:ceninstance/	without	without

Request parameters

Parameter	Type	Required	Description	Example
PageNumber	integer	No	The number of the page to return. Default value: 1.	1
PageSize	integer	No	The number of entries to return on each page. Valid values: 1 to 50. Default value: 10.	10
Filter	array	No	The list of the filter conditions.
	object	No
Key	string	No	The filter condition. Valid values: CenId: the ID of a CEN instance. Name: the name of a CEN instance. By default, the logical operator among filter conditions is AND. Information about a CEN instance is returned only if the CEN instance matches all filter conditions. You can specify at most five filter conditions in each call.	CenId
Value	array	No	The values of the filter condition.
	string	No	The value of the filter condition. This parameter sets the value of a filter key. You can specify multiple values for a filter key. The logical operator among multiple filter values is OR. If a CEN instance matches one or more of the values that you specify, the CEN instance matches the filter condition. You can specify at most five values in each filter condition.	cen-44m0p68spvlrqq****
Tag	array	No	The tags.
	object	No
Key	string	No	The tag keys of the resources. The tag keys cannot be an empty string. The tag keys can be up to 64 characters in length and cannot start with `acs:` or `aliyun`. It cannot contain `http://` or `https://`. You can specify at most 20 tag keys.	tagtest
Value	string	No	The tag values of the resources. The tag values can be 0 to 128 characters in length, and cannot start with `aliyun` or `acs:`. It cannot contain `http://` or `https://`. Each tag key has a unique tag value. You can specify at most 20 tag values in each call.	tagtest

Response parameters

Parameter	Type	Description	Example
	object
PageSize	integer	The number of entries returned per page.	10
RequestId	string	The ID of the request.	2BFA6822-240E-4E27-B4C8-AA400EF7474D
PageNumber	integer	The number of the page returned.	1
TotalCount	integer	The total number of entries returned.	1
Cens	array	The information about the CEN instance.
	object
Status	string	The status of the CEN instance. Creating: The CEN instance is being created. Active: The CEN instance is running. Deleting: The instance is being deleted.	Active
CreationTime	string	The time when the CEN instance was created. The time follows the ISO8601 standard in the `YYYY-MM-DDThh:mmZ` format. The time is displayed in UTC.	2019-10-22T07:44Z
Ipv6Level	string	Indicates whether IPv6 is enabled for the CEN instance. ENABLE: enabled DISABLED: disabled	DISABLED
Description	string	The description of the CEN instance.	desctest
ResourceGroupId	string	The ID of the resource group to which the CEN instance belongs.	rg-acfm3unpnuw****
CenId	string	The ID of the CEN instance.	cen-0xyeagctz5sfg9****
ProtectionLevel	string	The level of CIDR block overlapping. REDUCED: Overlapped CIDR blocks are allowed. This value specifies that CIDR blocks can overlap but CIDR blocks cannot be duplicates.	REDUCED
Name	string	The name of the CEN instance.	nametest
Tags	array	The IDs of the tags that are added to the CEN instance.
	object
Key	string	The key of the tag.	tagtest
Value	string	The value of the tag.	tagtest
CenBandwidthPackageIds	array	The IDs of the bandwidth plans that are associated with the CEN instance.
	string	The ID of the bandwidth plan.	cenbwp-4c2zaavbvh5f42****

Example

Normal return example

JSONFormat

{
  "PageSize": 10,
  "RequestId": "2BFA6822-240E-4E27-B4C8-AA400EF7474D",
  "PageNumber": 1,
  "TotalCount": 1,
  "Cens": {
    "Cen": [
      {
        "Status": "Active",
        "CreationTime": "2019-10-22T07:44Z",
        "Ipv6Level": "DISABLED",
        "Description": "desctest",
        "ResourceGroupId": "rg-acfm3unpnuw****",
        "CenId": "cen-0xyeagctz5sfg9****",
        "ProtectionLevel": "REDUCED",
        "Name": "nametest",
        "Tags": {
          "Tag": [
            {
              "Key": "tagtest",
              "Value": "tagtest"
            }
          ]
        },
        "CenBandwidthPackageIds": {
          "CenBandwidthPackageId": [
            "cenbwp-4c2zaavbvh5f42****"
          ]
        }
      }
    ]
  }
}

Error codes

Http code	Error code	Error message
400	InvalidTagKey	The tag keys are not valid.
400	InvalidTagValue	The tag values are not valid.

For a list of error codes, visit the API error center.