Connects the initiator router interface to the acceptor router interface.

After you call this action, the router interface status changes to Connecting. After the connection is established, the router interface status changes to Active.

Note the following before you call this action:
  • Only an initiator router interface in the Idle state can initiate a connection.

  • Up to one pair of interconnected router interfaces can be created between any two routers.

  • If there is an overdue router interface under the account, you cannot initiate a connection.


By using API Explorer, you can easily debug APIs, automatically generate SDK code examples, and quickly search for APIs.

Request parameters

Parameter Type Required? Example value Description
Action String Yes ConnectRouterInterface

The name of this action. Value: 


RegionId String Yes cn-hangzhou

The region where the router interface is located.

To query the region ID, call DescribeRegions.

RouterInterfaceId String Yes ri-2zeo3xzyf38r4urzdpvfs

The ID of initiator router interface.

Response parameters

Parameter Type Example value Description
RequestId String DE77A7F3-3B74-41C0-A5BC-CAFD188C28B6 The ID of the request.


Request example

&RegionId= cn-hangzhou
Response example
  • XML format

  • JSON format


Error codes

HTTP status code Error code Error message Description
404 InvalidRouterInterfaceId.NotFound The specified RouterInterfaceId does not exist in our record. The specified router interface does not exist.
400 IncorrectRole.NotInitiatingSide The specified RouterInterface is not InitiatingSide. This router interface is not the initiator router interface. Select the initiator router interface to initiate a connection.
400 Forbidden.OnlyOneConnection The Specified routers have a connection already A peering connection already exists between the routers.
400 Forbidden.OnlyOneConnection Cannot connect concurrently between same routers You cannot initiate another connection between the same routers.
400 Forbidden.BillsOutstanding You cannot use this action because you have bills outstanding. You cannot continue with this operation because you have overdue payments.

See common error codes