PublishRouteEntries - Cloud Enterprise Network - Alibaba Cloud Documentation Center

Cloud Enterprise Network (CEN) supports route advertisement. You can call this operation to advertise routes of virtual private clouds (VPCs) or virtual border routers (VBRs) attached to a CEN instance to the CEN instance. Other network instances attached to the CEN instance can learn the routes if route conflicts do not exist.

Operation description

The following table describes whether routes of different types are advertised to CEN by default. You can call the PublishRouteEntries operation to advertise routes to CEN.

Route	Network instance	Advertised to CEN by default
Routes that route network traffic to Elastic Compute Service (ECS) instances	VPC	No
Routes that route network traffic to VPN gateways	VPC	No
Routes that route network traffic to high-availability virtual IP addresses (HAVIPs)	VPC	No
Routes that route network traffic to router interfaces	VPC	No
Routes that route network traffic to elastic network interfaces (ENIs)	VPC	No
Routes that route network traffic to IPv6 gateways	VPC	No
Routes that route network traffic to NAT gateways	VPC	No
System routes of VPCs	VPC	Yes
Routes that route network traffic to data centers	VBR	Yes
Border Gateway Protocol (BGP) routes	VBR	Yes

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

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:PublishRouteEntries	update	CenInstance acs:cen::{#accountId}:ceninstance/{#ceninstanceId} virtualborderrouter acs:vpc::{#accountId}:virtualborderrouter/{#virtualborderrouterId} VPC acs:vpc:*:{#accountId}:vpc/{#vpcId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
CenId	string	Yes	The ID of the CEN instance.	cen-7qthudw0ll6jmc****
ChildInstanceId	string	Yes	The ID of the network instance.	vpc-rj9gt5nll27onu****
ChildInstanceType	string	Yes	The type of the network instance. Valid values: VPC: VPC VBR: VBR	VPC
ChildInstanceRegionId	string	Yes	The ID of the region where the network instance is deployed. You can call the DescribeChildInstanceRegions operation to query the most recent region list.	us-west-1
ChildInstanceRouteTableId	string	Yes	The ID of the route table configured on the network instance.	vtb-bp174d1gje7****
DestinationCidrBlock	string	Yes	The destination CIDR block of the route that you want to advertise.	172.16.1.0/24

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request.	FBDB18D8-E91E-4978-8D6C-6E2E3EE10133

Examples

Sample success responses

JSONformat

{
  "RequestId": "FBDB18D8-E91E-4978-8D6C-6E2E3EE10133"
}

Error codes

HTTP status code	Error code	Error message	Description
400	ParameterIllegal.AliUid	The parameter of aliUid is illegal.	The error message returned because the specified account ID is invalid.
400	InvalidOperation.UnsupportnexthopType	The nexthop type is unsupported	The error message returned because the next hop type does not support this operation.
400	InvalidOperation.NotFoundRoute	The specified route does not exist.	The error message returned because the route does not exist.
400	ParameterIllegal.CenInstanceId	The parameter of CEN instance id is illegal.	The error message returned because the specified ID of the CEN instance is invalid.
400	ParameterIllegal.ChildInstanceRegionId	The parameter of child instance region id is illegal.	The error message returned because the ID of the region where the network instance is created is invalid.
400	ParameterIllegal.ChildInstanceType	The parameter of child instance type is illegal.	The error message returned because the specified type of network instance is invalid.
400	InvalidOperation.UnsupportRouteTableType	The route table type is unsupported	The error message returned because the specified route table type does not support this operation.
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.
404	Instance.NotExist	The instance is not exist.	The error message returned because the specified instance does not exist.
409	InvalidOperation.ChildInstanceStatus	The child-instance is not in a valid state for the operation.	The error message returned because the operation is not allowed when the network instance is being processed. Try again later.
409	InvalidOperation.CenInstanceStatus	The CEN instance is not in a valid state for the operation.	The error message returned because the status of the CEN instance does not support this operation.

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

Change history

Change time	Summary of changes	Operation

No change history