A. Select the "Activate" check box. After the trail is successfully created, it will be delivered to the network element layer. Otherwise, the path configuration teaching data will only be saved on the network management side.
B. Use the path method to create the Client service path. After the creation is completed, the optical layer OCh path will be automatically generated, reducing the secondary education of path creation.
C. The creation or search of a new path must be realized only when the path at the upper level of the service layer already exists.
D. If the automatically calculated route is different from the planned route, you can set the "must pass through node" or "must pass through node" to restrict the route.
