A CEN instance contains one or more transit routers that connect through inter-region connections, enabling cross-region network communication. Create a CEN instance before connecting network instances with transit routers.
Create a CEN instance
Log on to the CEN console.
-
On the Instances page, click Create CEN Instance.
-
In the Create CEN Instance dialog box, configure the parameters and click OK.
Parameter
Description
Name
Enter a name.
Description
Enter a description.
Resource Group
Select a resource group.
Defaults to the default resource group.
Manage resource groups in the Resource Management console. For more information, see What is Resource Management?
Tag
Add tags.
-
Tag key: cannot be an empty string. The key can be up to 64 characters in length and cannot start with
aliyunoracs:. It cannot containhttp://orhttps://. -
Tag value: can be an empty string. The value can be up to 128 characters in length and cannot start with
aliyunoracs:. It cannot containhttp://orhttps://.
You can add multiple tags. Manage tags.
-
Delete a CEN instance
-
Before deleting a CEN instance:
-
The transit router instance must have no network attachments.
-
The transit router instance must have no custom route tables. For more information, see Delete a custom route table.
-
The default route table of the transit router instance must not contain any custom route entries, prefix lists, or aggregate routes.
-
The transit router instance must not have any multicast domains. For more information, see Delete a multicast domain.
-
The transit router instance must not have any traffic marking policies. For more information, see Delete a traffic marking policy.
-
-
Ensure no bandwidth plans are associated. Disassociate a bandwidth plan from a CEN instance.
Log on to the CEN console.
-
On the Instances page, find the CEN instance to delete and click Delete in the Actions column.
-
In the Delete CEN Instance message, check the ID of the CEN instance and click OK.