F.4. Stop-Control-Connection-Notification
Table F.4. StopCCN
| AVP | No. | Incoming | Outgoing |
| Message Type | 0 | Value 4 | Value 4 |
| Result Code | 1 | Ignored (logged) | Sent as appropriate for tunnel close |
| Assigned Tunnel ID | 9 | Expected, see note | Sent if a tunnel has been allocated |
Note that a StopCCN may not have a zero tunnel ID in the header. If this is the case the source IP, port and assigned tunnel are used to identify the tunnel.
If an unknown tunnel ID is received on any any incoming packet a StopCCN is generated (once per 10 seconds) with header tunnel ID 0 and specified assigned tunnel ID.
