ListTransitRouterPrefixListAssociation - Cloud Enterprise Network

Queries the prefix lists that are associated with an Enterprise Edition transit router.

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:ListTransitRouterPrefixListAssociation	Read	TransitRouterRouteTable acs:cen:*:{#accountId}:centransitrouterroutetable/{#centransitrouterroutetableId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The ID of the region where the transit router is deployed. You can call the DescribeChildInstanceRegions operation to query the most recent region list.	cn-hangzhou
TransitRouterId	string	Yes	The ID of the transit router.	tr-6ehx7q2jze8ch5ji0****
TransitRouterTableId	string	No	The ID of the route table of the transit router.	vtb-6ehgc262hr170qgyc****
PrefixListId	string	No	The ID of the prefix list.	pl-6ehtn5kqxgeyy08fi****
OwnerUid	long	No	The ID of the Alibaba Cloud account to which the prefix list belongs.	1210123456123456
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. Maximum value: 100. Default value: 10.	10
NextHop	string	No	The ID of the next hop. Note Set the value to BlackHole if you want to query the prefix list that generates blackhole routes.	tr-attach-flbq507rg2ckrj****
NextHopType	string	No	The type of the next hop. Valid values: BlackHole: The prefix list that generates blackhole routes. VPC: The prefix list whose next hop is a virtual private cloud (VPC) connection. VBR: The prefix list whose next hop is a virtual border router (VBR) connection. TR: The prefix list whose next hop is an inter-region connection on the transit router.	VPC
NextHopInstanceId	string	No	The ID of the network instance associated with the next hop connection.	vpc-6eh7fp9hdqa2wv85t****
Status	string	No	The status of the prefix list. Valid values: Active Updating	Active

Response parameters

Parameter	Type	Description	Example
	object	The response.
RequestId	string	The ID of the request.	6005CA94-676E-1FEE-985E-7602EFAADD6A
TotalCount	integer	The total number of entries returned.	1
PageSize	integer	The number of entries returned per page.	10
PageNumber	integer	The page number of the returned page.	1
PrefixLists	object []	A list of prefix lists.
PrefixListId	string	The ID of the prefix list.	pl-6ehtn5kqxgeyy08fi****
OwnerUid	long	The ID of the Alibaba Cloud account to which the prefix list belongs.	1210123456123456
Status	string	The status of the prefix list. Valid values: Active: The prefix list is effective. Updating: The prefix list is being updated.	Active
NextHop	string	The ID of the next hop. Note A value of BlackHole indicates that all the CIDR blocks in the prefix list are blackhole routes. Packets destined for the CIDR blocks are dropped.	tr-attach-flbq507rg2ckrj****
NextHopInstanceId	string	The ID of the network instance associated with the next hop connection.	vpc-6eh7fp9hdqa2wv85t****
NextHopType	string	The type of the next hop. Valid values: BlackHole: All the CIDR blocks in the prefix list are blackhole routes. Packets destined for the CIDR blocks are dropped. VPC: The next hop of the CIDR blocks in the prefix list is a VPC connection. VBR: The next hop of the CIDR blocks in the prefix list is a VBR connection. TR: The next hop of the CIDR blocks in the prefix list is an inter-region connection.	VPC
TransitRouterTableId	string	The ID of the route table of the transit router.	vtb-6ehgc262hr170qgyc****
TransitRouterId	string	The ID of the transit router.	tr-6ehx7q2jze8ch5ji0****

Examples

Sample success responses

JSONformat

{
  "RequestId": "6005CA94-676E-1FEE-985E-7602EFAADD6A",
  "TotalCount": 1,
  "PageSize": 10,
  "PageNumber": 1,
  "PrefixLists": [
    {
      "PrefixListId": "pl-6ehtn5kqxgeyy08fi****",
      "OwnerUid": 1210123456123456,
      "Status": "Active",
      "NextHop": "tr-attach-flbq507rg2ckrj****",
      "NextHopInstanceId": "vpc-6eh7fp9hdqa2wv85t****",
      "NextHopType": "VPC",
      "TransitRouterTableId": "vtb-6ehgc262hr170qgyc****",
      "TransitRouterId": "tr-6ehx7q2jze8ch5ji0****"
    }
  ]
}

Error codes

HTTP status code	Error code	Error message	Description
400	IllegalParam.Region	The specified Region is invalid.	The error message returned because the specified region is invalid.
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

2022-10-27

The Error code has changed. The request parameters of the API has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	delete Error Codes: 400
Input Parameters	The request parameters of the API has changed.
	Added Input Parameters: NextHop
	Added Input Parameters: NextHopType

2022-09-23

The Error code has changed. The response structure of the API has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	delete Error Codes: 400
Output Parameters	The response structure of the API has changed.