Download SCADAPack E Security Technical Reference

Security Technical
9.2.4
89
Diagnostic Example - Session Re-establishment Transactions
AGA12 Session Re-establishment Transactions:
... NEW SESSION REQUEST FROM REMOTE DEVICE IS RECEIVED HERE ...
17:37:39.165
AGA12>>SessionRequest: base=0 expiry=49
17:37:39.166
AGA12>>SCM received: OPN[20000->3 (1) nonce=f11ebf5e {data id=2 resolution=10000 0 tolerance=46
base=0 expiry=49 }]
17:37:39.166
AGA12>>New session 3<->20000(2)
17:37:39.167
AGA12>>SCM add 3 <-> 20000 id=2
17:37:39.167
AGA12>>SessionRequest: base=0 expiry=47
17:37:39.168
AGA12>>SCM sending ACK[3->20000 (1) nonceOpn=f11ebf5e nonceAck=feb7c6e0 {data id =2
resolution=100000 tolerance=46 base=0 expiry=47 }]
17:37:39.467
AGA12>>SCM received: DTA[20000->3 (2)]
17:37:39.475
AGA12>>Inbound AGA12 frame from 32000. Process Frame for Me (Rule A2)
17:37:39.481
AGA12>>Received Scada message: dest=20000, src=3
17:37:39.483
AGA12>>SCM sent DTA payload
... SESSION TIMES-OUT LOCALLY AND IS DISCONNECTED HERE ...
17:37:43.852
AGA12>>Session Timeout for ID 2
17:37:43.852
AGA12>>SCM sending: CLS[3->20000 (2)]
17:37:43.853
AGA12>>SCM remove Session 3 <-> 20000 id=2
... NEW SESSION REQUEST FROM REMOTE DEVICE IS RECEIVED HERE ...
17:37:46.811
AGA12>>SessionRequest: base=0 expiry=45
17:37:46.812
AGA12>>SCM received: OPN[20000->3 (1) nonce=c76c68fd {data id=2 resolution=10000 0
tolerance=46 base=0 expiry=45 }]
17:37:46.812
AGA12>>New session 3<->20000(2)
17:37:46.813
AGA12>>SCM add 3 <-> 20000 id=2
17:37:46.813
AGA12>>SessionRequest: base=0 expiry=41
17:37:46.814
AGA12>>SCM sending ACK[3->20000 (1) nonceOpn=c76c68fd nonceAck=ba60f068 {data id =2
resolution=100000 tolerance=46 base=0 expiry=41 }]
17:37:47.113
AGA12>>SCM received: DTA[20000->3 (2)]