After binding to a TUP user SAP, the application receives a status indication indicating the MTP redundancy or run state on the board. The event type associated with status indication (EVTSITSTAIND) indicates one of the following states:
State |
Description |
TUPMTP3STANDALONE |
Application is in a non-redundant configuration. Normal operation can begin. |
TUPMTP3PRIMARY |
The run state of MTP is primary on this board in a redundant board pair. Normal operation is allowed as long as the board remains primary. |
TUPMTP3BACKUP |
The run state of MTP is backup on this board in a redundant board pair, monitoring the status of the primary board. No active traffic passes through this SAP until the board becomes the primary member of the pair. |
TUPMTP3RESUME |
MTP resume indication is delivered to the application when the TUP layer receives a resume indication from the MTP3 layer. |
TUPMTP3PAUSE |
MTP pause indication is delivered to the application when the TUP layer receives a resume indication from the MTP3 layer. |