ListTransitRouterEcrAttachments - - Alibaba Cloud Documentation Center

Queries the information about Express Connect Router (ECR) connections on an Enterprise Edition transit router, such as the connection status, connection ID, and the payer of instance fees.

Operation description

You can use the following methods to query ECR connection information:

Specify the ID of an Enterprise Edition transit router.
Specify the ID of an Enterprise Edition transit router and the ID of the region in which the Enterprise Edition transit router is deployed.
Configure the TransitRouterAttachmentId parameter to specify the ECR connection that you want to query.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

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:ListTransitRouterEcrAttachments	list	All Resources *	none	none

Request parameters

Parameter	Type	Required	Description	Example
CenId	string	No	The ID of the Cloud Enterprise Network (CEN) instance.	cen-7qthudw0ll6jmc****
RegionId	string	No	The region ID of the transit router. You can call the DescribeChildInstanceRegions operation to query the most recent region list.	cn-hangzhou
TransitRouterAttachmentId	string	No	The ID of the ECR connection.	tr-attach-nls9fzkfat8934****
TransitRouterId	string	No	The ID of the transit router.	tr-6ehx7q2jze8ch5ji0****
MaxResults	integer	No	The number of entries to return on each page. Default value: 20.	20
NextToken	string	No	The pagination token that is used in the next request to retrieve a new page of results. Valid values: You do not need to specify this parameter for the first request. You must specify the token that is obtained from the previous query as the value of NextToken.	FFmyTO70tTpLG6I3FmYAXGKPd****
Tag	array<object>	No	The tags. You can specify at most 20 tags.
	object	No
Key	string	No	The tag key. The tag key cannot be an empty string. The tag key can be up to 64 characters in length. It cannot start with `aliyun` or `acs:` and cannot contain `http://` or `https://`. You can specify at most 20 tag keys in each call.	TagKey
Value	string	No	The tag value. The tag value can be an empty string. The tag value can be up to 128 characters in length. It cannot start with `aliyun` or `acs:` and cannot contain `http://` or `https://`. Each key-value must be unique. You can specify at most 20 tag values in each call.	TagValue

Response parameters

Parameter	Type	Description	Example
	object
NextToken	string	A pagination token. It can be used in the next request to retrieve a new page of results.	FFmyTO70tTpLG6I3FmYAXGKPd****
RequestId	string	The request ID.	461EC1B5-04A8-4706-8764-8F5BCEF48A6F
TotalCount	integer	The total number of entries returned.	4
MaxResults	integer	The number of entries per page.	20
TransitRouterAttachments	array<object>	The information about the ECR connections.
	object
CreationTime	string	The time when the ECR connection was created. The time follows the ISO 8601 standard in the YYYY-MM-DDThh:mm:ssZ format. The time is displayed in UTC.	2021-06-15T02:14Z
Status	string	The status of the ECR connection. Valid values: Attached Attaching Detaching	Attached
TransitRouterAttachmentId	string	The ID of the ECR connection.	tr-attach-nls9fzkfat8934****
TransitRouterId	string	The ID of the Enterprise Edition transit router.	tr-bp1su1ytdxtataupl****
ResourceType	string	The type of resource to which the transit router is connected. Valid values: The value is ECR, which indicates ECR connections.	ECR
TransitRouterRegionId	string	The region ID of the transit router. You can call the DescribeChildInstanceRegions operation to query the most recent region list.	cn-shanghai
TransitRouterAttachmentDescription	string	The description of the ECR connection.	desctest
EcrOwnerId	long	The ID of the Alibaba Cloud account to which the ECR connection belongs.	1688111111111111
AutoPublishRouteEnabled	boolean	Indicates whether the Enterprise Edition transit router can automatically advertise routes to ECRs. The value is true, which indicates that the Enterprise Edition transit router can automatically advertise routes to ECRs.	true
EcrId	string	The ID of the ECR with which the ECR connection is associated.	ecr-n78omt2qsko06y****
TransitRouterAttachmentName	string	The name of the ECR connection.	testname
Tags	array<object>	The tags.
	object
Key	string	The tag key.	test
Value	string	The tag value.	test
CenId	string	The ID of the CEN instance.	cen-j3jzhw1zpau2km****
OrderType	string	The entity that pays the fees of the network instance. Valid values: Valid values: PayByCenOwner: The Alibaba Cloud account to which the transit router belongs pays the connection and data forwarding fees of the ECR. PayByResourceOwner: The Alibaba Cloud account to which the ECR belongs pays the connection and data forwarding fees of the ECR.	PayByCenOwner

Examples

Sample success responses

JSONformat

{
  "NextToken": "FFmyTO70tTpLG6I3FmYAXGKPd****",
  "RequestId": "461EC1B5-04A8-4706-8764-8F5BCEF48A6F",
  "TotalCount": 4,
  "MaxResults": 20,
  "TransitRouterAttachments": [
    {
      "CreationTime": "2021-06-15T02:14Z",
      "Status": "Attached",
      "TransitRouterAttachmentId": "tr-attach-nls9fzkfat8934****",
      "TransitRouterId": "tr-bp1su1ytdxtataupl****",
      "ResourceType": "ECR",
      "TransitRouterRegionId": "cn-shanghai",
      "TransitRouterAttachmentDescription": "desctest",
      "EcrOwnerId": 1688111111111111,
      "AutoPublishRouteEnabled": true,
      "EcrId": "ecr-n78omt2qsko06y****",
      "TransitRouterAttachmentName": "testname",
      "Tags": [
        {
          "Key": "test",
          "Value": "test"
        }
      ],
      "CenId": "cen-j3jzhw1zpau2km****\n",
      "OrderType": "PayByCenOwner"
    }
  ]
}

Error codes

HTTP status code	Error code	Error message	Description
400	IllegalParam.NextToken	The specified NextToken is invalid.	The error message returned because the NextToken parameter is set to an invalid value.
400	IllegalParam.TrInstance	The specified TransitRouter is invalid.	The error message returned because the TransitRouter parameter is set to an invalid value.
400	IllegalParam.Region	The specified Region is invalid.	The error message returned because the specified region is invalid.
400	IllegalParam.CenId	The specified CenId is invalid.	The error message returned because the ID of the CEN instance is invalid.
400	IllegalParam.TransitRouterId	The specified TransitRouterId is invalid.	The error message returned because the specified transit router ID is invalid.
400	IllegalParam.CenIdOrRegionId	The specified CenId or RegionId is invalid.	The error message returned because the specified CEN instance ID or region ID is invalid.
400	IllegalParam.MaxResults	The specified MaxResults is illegal.	MaxResults illegal.
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.

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

Change history

Change time	Summary of changes	Operation

No change history