CreateExpressConnectRouterAssociation - Express Connect - Alibaba Cloud Documentation Center

Associates a virtual private cloud (VPC) or a transit router (TR) with an Express Connect router (ECR).

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
expressconnectrouter:CreateExpressConnectRouterAssociation	create	ExpressConnectRouter acs:expressconnectrouter::{#accountId}:expressconnectrouter/{#EcrId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
EcrId	string	Yes	The ECR ID.	ecr-mezk2idmsd0vx2****
AssociationRegionId	string	Yes	The region ID of the resource to be associated.	cn-hangzhou
TransitRouterOwnerId	long	No	The ID of the Alibaba Cloud account that owns the TR. Default value: ID of the Alibaba Cloud account that logs in. Note If you want to connect to a network instance that belongs to a different account, this parameter is required.	189159362009****
TransitRouterId	string	No	The TR ID.	tr-2ze4i71c6be454e2l****
CenId	string	No	The ID of the Cloud Enterprise Network (CEN) instance.	cen-of3o1the3i4gwb****
VpcOwnerId	long	No	The ID of the Alibaba Cloud account that owns the VPC. Default value: ID of the Alibaba Cloud account that logs in. Note If you want to connect to a network instance that belongs to a different account, this parameter is required.	132193271328****
VpcId	string	No	The VPC ID.	vpc-bp1h37fchc6jmfyln****
AllowedPrefixes	array	No	The allowed route prefixes.
	string	No	The allowed route prefix.	192.0.20.0/28
CreateAttachment	boolean	No	Specifies whether to initiate an association on the TR when the ECR is associated with the TR. Valid values: true: You do not need to initiate an association on the TR. false: You need to initiate an association on the TR.	true
DryRun	boolean	No	Specifies whether to perform only a dry run, without performing the actual request. Valid values: true: performs only a dry run. false (default): performs a dry run and performs the actual request.	false
ClientToken	string	No	The client token that is used to ensure the idempotence of the request. You can use the client to generate the token, but you must make sure that the token is unique among different requests. The token can contain only ASCII characters. Note If you do not specify this parameter, the system automatically uses the request ID as the client token. The request ID may be different for each request.	02fb3da4-130e-11e9-8e44-00****

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
RequestId	string	The request ID.	05130E79-588D-5C40-A718-C4863A59****
Success	boolean	Indicates whether the request was successful. Valid values: true false	True
Code	string	The response code. The status code 200 indicates that the request was successful. Other status codes indicate that the request failed. For more information, see Error codes.	200
Message	string	The returned message.	OK
HttpStatusCode	integer	The HTTP status code.	200
DynamicCode	string	The dynamic error code.	IllegalParamFormat.EcrId
DynamicMessage	string	The dynamic part in the error message. This parameter is used to replace the `%s` variable in ErrMessage. Note For example, if the value of ErrMessage is The Value of Input Parameter %s is not valid and the value of DynamicMessage is DtsJobId, the request parameter DtsJobId is invalid.	The param format of EcrId **** is illegal.
AccessDeniedDetail	string	The details about the access denial.	Authentication is failed for ****
AssociationId	string	The ID of the association between the ECR and the VPC or TR.	ecr-assoc-9p2qxx5phpca2m****

Examples

Sample success responses

JSONformat

{
  "RequestId": "05130E79-588D-5C40-A718-C4863A59****",
  "Success": true,
  "Code": "200",
  "Message": "OK",
  "HttpStatusCode": 200,
  "DynamicCode": "IllegalParamFormat.EcrId\n",
  "DynamicMessage": "The param format of EcrId **** is illegal.\n",
  "AccessDeniedDetail": "Authentication is failed for ****\n",
  "AssociationId": "ecr-assoc-9p2qxx5phpca2m****"
}

Error codes

HTTP status code	Error code	Error message	Description
400	IncorrectStatus.Ecr	Ecr Status does not allow current operation.	The status of the express connect gateway instance does not allow the current operation. Currently, other operations are being performed or the express connect gateway instance is being deleted. Please try again later.
400	OperationDenied.ForceDeleting	The current instance is being deleted.	Your current operation is rejected and the leased line gateway instance is being forcibly deleted. Please try again later.
400	UnsupportedRegion	Feature not supported in specified region.	The specified region does not support the leased line gateway function.
400	QuotaExceeded.VpcCountPerEcr	The number of VPC bound to the ECR exceeds the quota.	The number of VPCs that can be bound to a dedicated gateway instance has reached the quota limit. Please contact your business manager to apply for a larger quota.
400	QuotaExceeded.TrCountPerEcr	The number of TR bound to the ECR exceeds the quota.	The number of TRs that can be bound to a dedicated gateway instance has reached the quota limit. Please contact your business manager to apply for a larger quota.
400	IllegalParamFormat.AllowedPrefixes	The prefix parameter format is invalid. Procedure.	The format of the specified prefix route segment is incorrect.
400	OperationDenied.NotGrantedByNodeOwner	The node owner is not authorized.	Your current operation is rejected, and the leased line gateway product is not authorized.
400	OperationFailed.CdtNotOpened	The Cdt function is disabled.	The current operation fails, and the Alibaba Cloud data transmission function is not enabled.
400	OperationFailed.CdtCrossBoarderNotOpened	The Cdt cross-border transmission function is disabled.	The current operation fails. The cross-border data transmission function of Alibaba Cloud is not enabled.
400	OperationFailed.CrossBorderNotAllowed	There is no qualification for creating cross-border links.	The operation failed. The current enterprise does not have the permission to create cross-border links. Please contact your business manager to add this permission.
400	ResourceNotFound.CenId	CenId not found.	Cen instance does not exist
400	ResourceNotFound.TrId	TRId not found.	TR instance does not exist
400	Conflict.ASNOfVBR	ASN already used by other VBR.	The current VBR BgpGroup localAsn is inconsistent with the ECR asn. Adjust the consistency and rebind.
400	MissingParam.%s	The param of %s is missing.	The request parameters are not specified. Please check the corresponding parameters and try again.
400	IllegalParamFormat.%s	The param format of %s is illegal.	Illegal parameter format
400	IllegalParamFormat.CenId	The format of the entered Cen instance ID is incorrect.	The format of the currently entered Cen instance ID is incorrect
400	OperationDenied.CrossBidAssociating	Cross-border binding of resources is subject to compliance constraints.	Your current binding resources involve cross-Chinese site resources and overseas site resources. Due to compliance constraints, please contact your business manager for communication and handling.
400	ExclusiveParam.TransitRouterIdAndVpcId	A private network instance cannot be bound to a forwarding router instance at the same time.	The VPC instance and the forwarding router instance cannot be bound at the same time, please select one of the instances to bind after adjustment.
400	IllegalParamSize.AllowedPrefixes	The number of prefix routes exceeded the quota.	The number of prefix routes you have entered exceeds the quota. Please apply for expansion.
400	OperationDenied.CrossAccountAttaching	If the forwarding router is bound to another account, perform this operation on the same account.	The current operation is rejected. When you bind another account to the forwarding router, you need to do this operation under this account.
400	OperationDenied.AttachmentInCurrentRegionExisted	Only one forwarding router can be bound to an area.	The current operation is rejected. The leased line gateway instance can only bind one forwarding router in the same region.
400	Conflict.Lock	There are other unfinished operations.	You currently have other unfinished operations, please try again later
400	OperationFailed.CallingVpcYaochi	The system is abnormal. Please try again later.	The operation failed and the system is abnormal. Please try again later. If the retry still fails, please contact your business manager for help.
404	ResourceNotFound.EcrId	EcrId not found.	ECR instance does not exist

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

Change history

Change time	Summary of changes	Operation
2024-06-28	API Description Update. The Error code has changed	View Change Details
2024-03-28	The Error code has changed	View Change Details