CCM                                              NCM
     |                                                |
     |---- MX Reconfiguration REQ (setup) ----------->|
     |<-------------------- MX Reconfiguration RSP ---|
     |                                  +-------------------------+
     |                                  | NCM prepares N-MADP for |
     |                                  | User-Plane Setup        |
     |                                  +-------------------------+
     |<-------------------- MX UP Setup Config -------|
     |---- MX UP Setup Confirmation ----------------->|
+-------------------+                                 |
|Link "X" is up/down|                                 |
+-------------------+                                 |
     |---- MX Reconfiguration REQ (update/release) -->|
     |<-------------------- MX Reconfiguration RSP ---|