ListCenChildInstanceRouteEntriesToAttachment - Cloud Enterprise Network

Queries routes in route tables of network instances that point to network instance connections on Enterprise Edition transit routers.

Operation description

Before you call the ListCenChildInstanceRouteEntriesToAttachment operation, make sure that all request parameter values are valid. If a parameter is set to an invalid value, a request ID is returned, but the routes to the network instance are not returned.

Debugging

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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:ListCenChildInstanceRouteEntriesToAttachment	get	TransitRouterPeerAttachment acs:cen:*:{#accountId}:centransitrouterattachment/{#centransitrouterattachmentId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
MaxResults	integer	No	The number of entries to return on each page. Default value: 20.	20
NextToken	string	No	The token that determines the start point of the query. Valid values: If this is your first query and no subsequent queries are to be sent, ignore this parameter. If a subsequent query is to be sent, set the parameter to the value of NextToken that is returned from the last call.	FFmyTO70tTpLG6I3FmYAXGKPd****
CenId	string	No	The ID of the CEN instance.	cen-dc4vwznpwbobrl****
ChildInstanceRouteTableId	string	Yes	The ID of the route table configured on the network instance.	vtb-bp174d1gje79u1g4t****
TransitRouterAttachmentId	string	Yes	The ID of the network instance connection.	tr-attach-r6g0m3epjehw57****
RouteFilter	array<object>	No	The filter condition for the destination CIDR block.
	object	No
Key	string	No	The match mode of the route. prefix-exact-match: exact match.	prefix-exact-match
Value	array	No	The destination CIDR blocks.
	string	No	The destination CIDR block.	10.0.0.0/8
ServiceType	string	No	Specifies whether to host the route. If you leave the parameter empty, the route is not hosted. A value of TR specifies that the route is hosted on a transit router.	TR

Response parameters

Parameter	Type	Description	Example
	object	The response.
NextToken	string	The token that determines the start point of the next query. Valid values: If NextToken is not returned, it indicates that no additional results exist. If NextToken was returned in the previous query, specify the value to obtain the next set of results.	FFmyTO70tTpLG6I3FmYAXGKPd****
RequestId	string	The ID of the region.	530BC816-F575-412A-AAB2-435125D26328
RouteEntry	array<object>	The detailed information about the route.
TransitRouterAssociation	object	The detailed information about the route.
CenId	string	The ID of the CEN instance.	cen-9adwg6ghpq8oq4dp7q
TransitRouterAttachmentId	string	The ID of the network instance connection.	tr-attach-y463sghkkv1loe****
Status	string	The status of the route. Valid values: Available: The route is available. Pending: The route is being configured. Modifying: the route is being modified.	Available
ServiceType	string	Indicates whether the route is hosted. If the parameter is empty, the route is not hosted. A value of TR indicates that the route is hosted on a transit router.	TR
DestinationCidrBlock	string	The destination CIDR block of the route.	10.0.0.0/8
ChildInstanceRouteTableId	string	The ID of the route table configured on the network instance.	vtb-bp1tlaj1c4nxr2t3e****

Examples

Sample success responses

JSONformat

{
  "NextToken": "FFmyTO70tTpLG6I3FmYAXGKPd****",
  "RequestId": "530BC816-F575-412A-AAB2-435125D26328",
  "RouteEntry": [
    {
      "CenId": "cen-9adwg6ghpq8oq4dp7q",
      "TransitRouterAttachmentId": "tr-attach-y463sghkkv1loe****",
      "Status": "Available",
      "ServiceType": "TR",
      "DestinationCidrBlock": "10.0.0.0/8",
      "ChildInstanceRouteTableId": "vtb-bp1tlaj1c4nxr2t3e****"
    }
  ]
}

Error codes

HTTP status code	Error code	Error message	Description
400	IllegalParam.NextToken	The parameter NextToken is invalid.	The error message returned because the NextToken parameter is set to an invalid value. Check the value and try again.
400	MissingParam.TransitRouterAttachmentId	The parameter TransitRouterAttachmentId is Missing.	The error message returned because the TransitRouterAttachmentId parameter is not set.
400	MissingParam.ChildInstanceRouteTableId	The parameter ChildInstanceRouteTableId is Missing.	-
400	MissingParam.ChildInstanceRouteTableId	The parameter TransitRouterAttachmentId is Missing.	The error message returned because the ChildInstanceRouteTableId parameter is not set.
400	InvalidParam.RouteFilter	The parameter RouteFilter is invalid.	The error message returned because the specified route filter is invalid.
400	ResourceNotFound.TransitRouterAttachment	The specified TransitRouterAttachment does not exist.	-
400	InvalidParam.RoutFilterKey	The specified Key of RouteFilter is invalid.	The error message returned because the specified route filter key is invalid.
400	InvalidParam.CenId	The specified CEN does not exist.	-
400	OperationFailed.CenInstanceStatus	The CEN instance is not in a valid state for the operation.	-
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