After attaching Express Connect Router (ECR), virtual private clouds (VPCs), virtual border routers (VBRs), IPsec-VPN connections, and Cloud Connect Network (CCN) instances to a transit router, view the connection details on the transit router's details page.
View network instance connections
Log on to the CEN console.
On the CEN Instance page, click the ID of the CEN instance that you want to manage.
On the Basic Information > Transit Router tab, click the ID of the transit router that you want to manage.
On the transit router details page, click the Intra-Region Connections tab. The tab lists all network instance connections with their current status and configuration details.
Connection details reference
The columns available on the Intra-Region Connections tab differ between Enterprise Edition and Basic Edition transit routers.
The following columns are available only on Enterprise Edition transit routers: Tag, Network Instance, Monitor, Metering, IPv6, Associated Route Table, Route Synchronization, and Payer Account.
Enterprise Edition transit router
Column | Description |
Instance ID/Name | The name and ID of the network instance connection. To rename a connection, click the edit icon next to the name. |
Tag | Tags added to the network instance connection. |
Network Instance | The ID and name of the network instance. |
Monitor | Click the monitor icon to view monitoring data for the connection. Click Set Alarm to create threshold-triggered alert rules. For details, see Monitor CEN resources. |
Metering | Click the metering icon to view the total network volume within a specified time range. Unit: GB. |
Instance Type | The type of network instance: VPC, Virtual Border Router (VBR), VPN, or Express Connect Router (ECR). |
IPv6 | Whether IPv6 is enabled for the network connection. |
Associated Route Table | The ID of the transit router route table associated with the connection. |
Route Synchronization | The route advertisement status of the network instance. You can turn on or turn off route synchronization for the network instance. For details, see Route synchronization. |
Account ID | The ID of the Alibaba Cloud account to which the network instance belongs. |
Payer Account | The account that pays connection fees and data transfer fees. TR Owner Account means the transit router owner's account pays. Any other value means the network instance owner's account pays. |
Attach Time | The time when the network instance connection was created. |
Status | The connection status. Valid values: Attached, Attaching, and Detaching. |
Basic Edition transit router
Column | Description |
Instance ID/Name | The ID and name of the network instance. |
Region | The region where the network instance is created. |
Instance Type | The type of network instance: VPC, Virtual Border Router (VBR), and Cloud Connect Network (CCN). |
Account ID | The ID of the Alibaba Cloud account to which the network instance belongs. |
Attach Time | The time when the network instance connection was created. |
Status | The connection status. Valid values: Attached, Attaching, and Detaching. |
API reference
Use the following APIs to retrieve connection information programmatically:
API | Description |
Queries VPC connections on an Enterprise Edition transit router. | |
Queries VBR connections on an Enterprise Edition transit router. | |
Queries VPN connections on an Enterprise Edition transit router. | |
Queries ECR connections on an Enterprise Edition transit router. | |
Queries all network instances attached to a CEN instance. |