[srsran-users] Downlink Data Notification failure indication cause: 87
Andrea Valori
avalori at gmail.com
Fri Jun 24 11:34:17 UTC 2022
Dear all,
I am investigating this a bit more... I tried to extract the debug logs in
a successful and failing case. The one below are the logs. They start
diverging at the line in bold... is three someone that may be able to help
understanding what is happening? Many thanks in advance.
*SUCCESFUL*
*FAILING*
Found UE for Downlink Notification
Found UE for Downlink Notification
MME Ctr TEID 0x3, IMSI: 999700000053492
MME Ctr TEID 0x4, IMSI: 901700000044984
2022-03-13T22:37:41.807928 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:00.646395 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:37:41.807934 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:00.646402 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:37:41.807935 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:00.646402 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:37:41.807940 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:00.646409 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:41.807941 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:00.646446 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:41.807941 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:39:00.646447 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:41.807942 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:39:00.646448 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:41.807942 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:39:00.646449 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:41.807961 [SPGW GTPC] [D] SPGW Sending S11 PDU! N_Bytes:
1360
2022-03-13T22:39:00.646469 [SPGW GTPC] [D] SPGW Sending S11 PDU! N_Bytes:
1360
2022-03-13T22:37:41.807976 [SPGW GTPC] [D] SPGW S11 Sent 1360 Bytes.
2022-03-13T22:39:00.646490 [SPGW GTPC] [D] SPGW S11 Sent 1360 Bytes.
2022-03-13T22:37:41.807977 [SPGW GTPC] [D] Queued packet. IMSI
999700000053492, Packets in Queue 1
2022-03-13T22:39:00.646491 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 1
2022-03-13T22:37:41.807988 [MME GTPC] [D] Received S11 message
2022-03-13T22:39:00.646784 [MME GTPC] [D] Received S11 message
2022-03-13T22:37:41.807989 [MME GTPC] [D] MME Received GTP-C PDU. Message
type GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION
2022-03-13T22:39:00.646785 [MME GTPC] [D] MME Received GTP-C PDU. Message
type GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION
2022-03-13T22:37:41.807990 [MME GTPC] [D] Downlink Data Notification --
IMSI: 999700000053492, EBI 5
2022-03-13T22:39:00.646786 [MME GTPC] [D] Downlink Data Notification --
IMSI: 901700000044984, EBI 5
2022-03-13T22:37:41.807991 [S1AP ] [I] Preparing to Page UE -- IMSI
999700000053492
2022-03-13T22:39:00.646787 [S1AP ] [I] Preparing to Page UE -- IMSI
901700000044984
2022-03-13T22:37:41.808012 [NAS ] [D] Starting NAS timer
2022-03-13T22:39:00.646798 [NAS ] [D] Starting NAS timer
2022-03-13T22:37:41.808012 [NAS ] [I] Starting T3413 Timer: Timeout
value 2
2022-03-13T22:39:00.646799 [NAS ] [I] Starting T3413 Timer: Timeout
value 2
2022-03-13T22:37:41.808020 [S1AP ] [D] Adding NAS timer to MME. IMSI
999700000053492, Type 0, Fd: 8
2022-03-13T22:39:00.646808 [S1AP ] [D] Adding NAS timer to MME. IMSI
901700000044984, Type 0, Fd: 8
2022-03-13T22:37:41.808020 [S1AP ] [D] Transmitting S1AP PDU. eNB SCTP
association Id: 22
2022-03-13T22:39:00.646809 [S1AP ] [D] Transmitting S1AP PDU. eNB SCTP
association Id: 22
2022-03-13T22:37:41.808075 [S1AP ] [D] Adding Timer fd 8 to fd_set
2022-03-13T22:39:00.646858 [S1AP ] [D] Adding Timer fd 8 to fd_set
2022-03-13T22:37:41.808076 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:39:00.646858 [S1AP ] [D] Waiting for S1-MME or S11 Message
*Initial UE message: NAS Message Type Unknown*
*2022-03-13T22:39:01.646478 [SPGW ] [D] Message received at SPGW: SGi
Message*
Received Initial UE message -- Service Request
2022-03-13T22:39:01.646485 [GTPU ] [D] Received SGi PDU. Bytes 84
Service request -- S-TMSI 0x1e293675
2022-03-13T22:39:01.646485 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
Service request -- eNB UE S1AP Id 6
2022-03-13T22:39:01.646490 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:42.135259 [S1AP ] [I] Received S1AP msg. Size: 59
2022-03-13T22:39:01.646491 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:42.135278 [S1AP ] [I] Received Initiating PDU
2022-03-13T22:39:01.646492 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:42.135279 [S1AP ] [I] Received Initial UE Message.
2022-03-13T22:39:01.646492 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:42.135297 [S1AP ] [I] Initial UE message: NAS Message
Type Unknown
2022-03-13T22:39:01.646493 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:42.135302 [S1AP ] [I] Received Initial UE message --
Service Request
2022-03-13T22:39:01.646494 [SPGW GTPC] [D] UE Downlink Data Notification
still pending.
2022-03-13T22:37:42.135304 [NAS ] [I] Service request -- S-TMSI
0x1e293675
2022-03-13T22:39:01.646494 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 2
2022-03-13T22:37:42.135309 [NAS ] [I] Service request -- eNB UE S1AP Id 6
T3413 expired -- Could not page the ue.
2022-03-13T22:37:42.135314 [S1AP ] [D] Found IMSI 999700000053492 from
M-TMSI 0x1e293675
Received GTP-C PDU. Message type:
GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
2022-03-13T22:37:42.135436 [NAS ] [I] Integrity check ok. Local:
count=7, Received: count=7
2022-03-13T22:39:02.646819 [S1AP ] [I] Timer expired
Service Request -- Short MAC valid
2022-03-13T22:39:02.646823 [NAS ] [D] NAS timer expired
Service Request -- User is ECM DISCONNECTED
2022-03-13T22:39:02.646823 [NAS ] [I] T3413 expired -- Could not page
the ue.
UE previously assigned IP: 172.16.0.62
2022-03-13T22:39:02.646836 [MME GTPC] [D] Sending GTP-C Data Notification
Failure Indication. Cause 87
Generating KeNB with UL NAS COUNT: 7
2022-03-13T22:39:02.646837 [MME GTPC] [I] Downlink Data Notification
Failure Indication -- SP-GW control teid 4
UE Ctr TEID 0
2022-03-13T22:39:02.646838 [MME GTPC] [D] Sending S-11 GTP-C PDU
2022-03-13T22:37:42.135572 [NAS ] [I] Service Request -- Short MAC valid
2022-03-13T22:39:02.646852 [MME GTPC] [D] MME S11 Sent 1360 Bytes.
2022-03-13T22:37:42.135577 [NAS ] [I] Service Request -- User is ECM
DISCONNECTED
2022-03-13T22:39:02.646862 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:37:42.135593 [NAS ] [I] Generating KeNB with UL NAS COUNT:
7
2022-03-13T22:39:02.646862 [SPGW ] [D] Message received at SPGW: S11
Message
2022-03-13T22:37:42.135596 [NAS ] [I] Key eNodeB (k_enb)
2022-03-13T22:39:02.646927 [SPGW GTPC] [D] Received GTP-C PDU. Message
type: GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
0000: 60 d4 12 9d 7f 02 54 9f b2 71 8f c7 d7 74 d5 a8
2022-03-13T22:39:02.646927 [SPGW GTPC] [D] Handling downlink data
notification failure indication
0010: bd 3b 66 b6 1a 4d 21 59 8f 26 e9 13 52 ec 6a ec
2022-03-13T22:39:02.646928 [SPGW GTPC] [D] Downlink Data Notification
failure indication cause: 87.
2022-03-13T22:37:42.135601 [S1AP ] [D] Removing NAS timer from MME. IMSI
999700000053492, Type 0, Fd: 8
2022-03-13T22:39:02.646929 [SPGW GTPC] [D] Dropping packet. Bytes 84
2022-03-13T22:37:42.135613 [S1AP ] [D] Saved UE context corresponding to
MME UE S1AP Id 6
2022-03-13T22:39:02.646930 [SPGW GTPC] [D] Dropping packet. Bytes 84
2022-03-13T22:37:42.135615 [S1AP ] [I] Preparing to send Initial Context
Setup request
Found UE for Downlink Notification
2022-03-13T22:37:42.135629 [S1AP ] [I] Initial Context Setup Request --
Key eNB (k_enb)
2022-03-13T22:39:02.647470 [SPGW ] [D] Message received at SPGW: SGi
Message
0000: 60 d4 12 9d 7f 02 54 9f b2 71 8f c7 d7 74 d5 a8
MME Ctr TEID 0x4, IMSI: 901700000044984
0010: bd 3b 66 b6 1a 4d 21 59 8f 26 e9 13 52 ec 6a ec
2022-03-13T22:39:02.647475 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:37:42.135630 [S1AP ] [D] Transmitting S1AP PDU. eNB SCTP
association Id: 22
2022-03-13T22:39:02.647476 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
Sent Initial Context Setup Request. E-RAB id 5
2022-03-13T22:39:02.647484 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:42.135832 [S1AP ] [I] Initial Context -- S1-U TEID 0x3.
IP 127.0.1.100
2022-03-13T22:39:02.647485 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:42.135833 [S1AP ] [I] Initial Context Setup Request --
eNB UE S1AP Id 6, MME UE S1AP Id 6
2022-03-13T22:39:02.647486 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:42.135833 [S1AP ] [I] Initial Context Setup Request --
E-RAB id 5
2022-03-13T22:39:02.647486 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:42.135834 [S1AP ] [I] Initial Context Setup Request --
S1-U TEID 0x3. IP 127.0.1.100
2022-03-13T22:39:02.647487 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:42.135835 [S1AP ] [I] Initial Context Setup Request --
S1-U TEID 0x3. IP 127.0.1.100
2022-03-13T22:39:02.647513 [SPGW GTPC] [D] SPGW Sending S11 PDU! N_Bytes:
1360
2022-03-13T22:37:42.135836 [S1AP ] [I] Initial Context Setup Request --
QCI 7
2022-03-13T22:39:02.647521 [SPGW GTPC] [D] SPGW S11 Sent 1360 Bytes.
2022-03-13T22:37:42.135840 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:39:02.647522 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 1
2022-03-13T22:37:42.195245 [S1AP ] [I] Received S1AP msg. Size: 59
2022-03-13T22:39:02.647532 [MME GTPC] [D] Received S11 message
2022-03-13T22:37:42.195258 [S1AP ] [I] Received Initiating PDU
2022-03-13T22:39:02.647533 [MME GTPC] [D] MME Received GTP-C PDU. Message
type GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION
2022-03-13T22:37:42.195259 [S1AP ] [I] Ignoring UE capability Info
Indication.
2022-03-13T22:39:02.647534 [MME GTPC] [D] Downlink Data Notification --
IMSI: 901700000044984, EBI 5
2022-03-13T22:37:42.195261 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:39:02.647535 [S1AP ] [I] Preparing to Page UE -- IMSI
901700000044984
Received Initial Context Setup Response
2022-03-13T22:39:02.647548 [NAS ] [D] Starting NAS timer
E-RAB Context Setup. E-RAB id 5
2022-03-13T22:39:02.647550 [NAS ] [I] Starting T3413 Timer: Timeout
value 2
E-RAB Context -- eNB TEID 0x4; eNB GTP-U Address 127.0.1.1
2022-03-13T22:39:02.647560 [S1AP ] [D] Adding NAS timer to MME. IMSI
901700000044984, Type 0, Fd: 8
Initial Context Setup Response triggered from Service Request.
2022-03-13T22:39:02.647561 [S1AP ] [D] Transmitting S1AP PDU. eNB SCTP
association Id: 22
Sending Modify Bearer Request.
2022-03-13T22:39:02.647651 [S1AP ] [D] Adding Timer fd 8 to fd_set
Received GTP-C PDU. Message type: GTPC_MSG_TYPE_MODIFY_BEARER_REQUEST
2022-03-13T22:39:02.647652 [S1AP ] [D] Waiting for S1-MME or S11 Message
Modify Bearer Request received after Downling Data Notification was sent
2022-03-13T22:39:03.648465 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:37:42.396487 [S1AP ] [I] Received S1AP msg. Size: 38
2022-03-13T22:39:03.648473 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:37:42.396503 [S1AP ] [I] Received Succeseful Outcome PDU
2022-03-13T22:39:03.648474 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:37:42.396503 [S1AP ] [I] Received Initial Context Setup
Response.
2022-03-13T22:39:03.648481 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:42.396521 [S1AP ] [I] E-RAB Context Setup. E-RAB id 5
2022-03-13T22:39:03.648482 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:42.396522 [S1AP ] [I] E-RAB Context -- eNB TEID 0x4, eNB
Address 127.0.1.1
2022-03-13T22:39:03.648483 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:42.396538 [MME GTPC] [I] Sending GTP-C Modify bearer
request
2022-03-13T22:39:03.648483 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:42.396540 [MME GTPC] [I] GTP-C Modify bearer request --
S-GW Control TEID 3
2022-03-13T22:39:03.648484 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:42.396541 [MME GTPC] [I] GTP-C Modify bearer request --
S1-U TEID 0x4, IP 127.0.1.1
2022-03-13T22:39:03.648485 [SPGW GTPC] [D] UE Downlink Data Notification
still pending.
2022-03-13T22:37:42.396542 [MME GTPC] [D] Sending S-11 GTP-C PDU
2022-03-13T22:39:03.648486 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 2
2022-03-13T22:37:42.396556 [MME GTPC] [D] MME S11 Sent 1360 Bytes.
T3413 expired -- Could not page the ue.
2022-03-13T22:37:42.396559 [S1AP ] [D] Waiting for S1-MME or S11 Message
Received GTP-C PDU. Message type:
GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
2022-03-13T22:37:42.396564 [SPGW ] [D] Message received at SPGW: S11
Message
2022-03-13T22:39:04.647573 [S1AP ] [I] Timer expired
2022-03-13T22:37:42.396577 [SPGW GTPC] [D] Received GTP-C PDU. Message
type: GTPC_MSG_TYPE_MODIFY_BEARER_REQUEST
2022-03-13T22:39:04.647578 [NAS ] [D] NAS timer expired
2022-03-13T22:37:42.396578 [SPGW GTPC] [I] Received Modified Bearer Request
2022-03-13T22:39:04.647578 [NAS ] [I] T3413 expired -- Could not page
the ue.
2022-03-13T22:37:42.396579 [SPGW GTPC] [I] Setting Up GTP-U tunnel. Tunnel
info:
2022-03-13T22:39:04.647594 [MME GTPC] [D] Sending GTP-C Data Notification
Failure Indication. Cause 87
2022-03-13T22:37:42.396580 [SPGW GTPC] [I] IMSI: 999700000053492, UE IP:
172.16.0.62
2022-03-13T22:39:04.647595 [MME GTPC] [I] Downlink Data Notification
Failure Indication -- SP-GW control teid 4
2022-03-13T22:37:42.396581 [SPGW GTPC] [I] S-GW Rx Ctrl TEID 0x3, MME Rx
Ctrl TEID 0x3
2022-03-13T22:39:04.647595 [MME GTPC] [D] Sending S-11 GTP-C PDU
2022-03-13T22:37:42.396581 [SPGW GTPC] [I] S-GW Rx Ctrl IP (NA), MME Rx
Ctrl IP (NA)
2022-03-13T22:39:04.647612 [MME GTPC] [D] MME S11 Sent 1360 Bytes.
2022-03-13T22:37:42.396582 [SPGW GTPC] [I] S-GW Rx User TEID 0x3, S-GW Rx
User IP 127.0.1.100
2022-03-13T22:39:04.647622 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:37:42.396583 [SPGW GTPC] [I] eNB Rx User TEID 0x4, eNB Rx
User IP 127.0.1.1
2022-03-13T22:39:04.647622 [SPGW ] [D] Message received at SPGW: S11
Message
2022-03-13T22:37:42.396587 [GTPU ] [I] Modifying GTP-U Tunnel.
2022-03-13T22:39:04.647644 [SPGW GTPC] [D] Received GTP-C PDU. Message
type: GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
2022-03-13T22:37:42.396590 [GTPU ] [I] UE IP 172.16.0.62
2022-03-13T22:39:04.647645 [SPGW GTPC] [D] Handling downlink data
notification failure indication
2022-03-13T22:37:42.396591 [GTPU ] [I] Downlink eNB addr 127.0.1.1,
U-TEID 0x4
2022-03-13T22:39:04.647646 [SPGW GTPC] [D] Downlink Data Notification
failure indication cause: 87.
2022-03-13T22:37:42.396591 [GTPU ] [I] Uplink C-TEID: 0x3
2022-03-13T22:39:04.647647 [SPGW GTPC] [D] Dropping packet. Bytes 84
2022-03-13T22:37:42.396593 [SPGW GTPC] [D] Modify Bearer Request received
after Downling Data Notification was sent
2022-03-13T22:39:04.647665 [SPGW GTPC] [D] Dropping packet. Bytes 84
2022-03-13T22:37:42.396610 [GTPU ] [D] Sending all queued packets
Found UE for Downlink Notification
2022-03-13T22:37:42.396611 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
MME Ctr TEID 0x4, IMSI: 901700000044984
2022-03-13T22:37:42.396613 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
2022-03-13T22:39:04.649459 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:37:42.396639 [GTPU ] [D] Deallocating packet after sending
S1-U message
2022-03-13T22:39:04.649463 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:37:42.396641 [SPGW GTPC] [D] SPGW Sending S11 PDU! N_Bytes:
1360
2022-03-13T22:39:04.649464 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:37:42.396648 [SPGW GTPC] [D] SPGW S11 Sent 1360 Bytes.
2022-03-13T22:39:04.649479 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:42.396673 [MME GTPC] [D] Received S11 message
2022-03-13T22:39:04.649480 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:42.396674 [MME GTPC] [D] MME Received GTP-C PDU. Message
type GTPC_MSG_TYPE_MODIFY_BEARER_RESPONSE
2022-03-13T22:39:04.649480 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:42.396676 [MME GTPC] [D] Activating EPS bearer with id 5
2022-03-13T22:39:04.649481 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:42.396677 [S1AP ] [I] Activated EPS Bearer: Bearer id 5
2022-03-13T22:39:04.649482 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:42.396677 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:39:04.649495 [SPGW GTPC] [D] SPGW Sending S11 PDU! N_Bytes:
1360
2022-03-13T22:37:42.434548 [SPGW ] [D] Message received at SPGW: S1-U
Message
2022-03-13T22:39:04.649505 [SPGW GTPC] [D] SPGW S11 Sent 1360 Bytes.
2022-03-13T22:37:42.434556 [GTPU ] [D] Received PDU from S1-U. Bytes=84
2022-03-13T22:39:04.649506 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 1
2022-03-13T22:37:42.434557 [GTPU ] [D] TEID 0x3. Bytes=84
2022-03-13T22:39:04.649517 [MME GTPC] [D] Received S11 message
2022-03-13T22:37:42.434577 [GTPU ] [D] Forwarded packet to TUN interface.
Bytes= 84/84
2022-03-13T22:39:04.649544 [MME GTPC] [D] MME Received GTP-C PDU. Message
type GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION
2022-03-13T22:37:42.808323 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:04.649545 [MME GTPC] [D] Downlink Data Notification --
IMSI: 901700000044984, EBI 5
2022-03-13T22:37:42.808346 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:04.649547 [S1AP ] [I] Preparing to Page UE -- IMSI
901700000044984
2022-03-13T22:37:42.808347 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:04.649561 [NAS ] [D] Starting NAS timer
2022-03-13T22:37:42.808353 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:04.649562 [NAS ] [I] Starting T3413 Timer: Timeout
value 2
2022-03-13T22:37:42.808354 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:04.649571 [S1AP ] [D] Adding NAS timer to MME. IMSI
901700000044984, Type 0, Fd: 8
2022-03-13T22:37:42.808354 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
2022-03-13T22:39:04.649573 [S1AP ] [D] Transmitting S1AP PDU. eNB SCTP
association Id: 22
2022-03-13T22:37:42.808356 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
2022-03-13T22:39:04.649629 [S1AP ] [D] Adding Timer fd 8 to fd_set
2022-03-13T22:37:42.808405 [GTPU ] [D] Deallocating packet after sending
S1-U message
2022-03-13T22:39:04.649630 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:37:42.834495 [SPGW ] [D] Message received at SPGW: S1-U
Message
2022-03-13T22:39:05.650473 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:37:42.834502 [GTPU ] [D] Received PDU from S1-U. Bytes=84
2022-03-13T22:39:05.650480 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:37:42.834502 [GTPU ] [D] TEID 0x3. Bytes=84
2022-03-13T22:39:05.650482 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:37:42.834547 [GTPU ] [D] Forwarded packet to TUN interface.
Bytes= 84/84
2022-03-13T22:39:05.650489 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:43.808881 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:05.650490 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:43.808888 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:05.650491 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:43.808888 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:05.650491 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:43.808894 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:05.650492 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:43.808895 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:05.650493 [SPGW GTPC] [D] UE Downlink Data Notification
still pending.
2022-03-13T22:37:43.808896 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
2022-03-13T22:39:05.650494 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 2
2022-03-13T22:37:43.808897 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
T3413 expired -- Could not page the ue.
2022-03-13T22:37:43.808919 [GTPU ] [D] Deallocating packet after sending
S1-U message
2022-03-13T22:39:06.649585 [S1AP ] [I] Timer expired
2022-03-13T22:37:43.854482 [SPGW ] [D] Message received at SPGW: S1-U
Message
2022-03-13T22:39:06.649590 [NAS ] [D] NAS timer expired
2022-03-13T22:37:43.854489 [GTPU ] [D] Received PDU from S1-U. Bytes=84
Received GTP-C PDU. Message type:
GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
2022-03-13T22:37:43.854490 [GTPU ] [D] TEID 0x3. Bytes=84
2022-03-13T22:39:06.649591 [NAS ] [I] T3413 expired -- Could not page
the ue.
2022-03-13T22:37:43.854531 [GTPU ] [D] Forwarded packet to TUN interface.
Bytes= 84/84
2022-03-13T22:39:06.649608 [MME GTPC] [D] Sending GTP-C Data Notification
Failure Indication. Cause 87
2022-03-13T22:37:44.809606 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:06.649609 [MME GTPC] [I] Downlink Data Notification
Failure Indication -- SP-GW control teid 4
2022-03-13T22:37:44.809613 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:06.649610 [MME GTPC] [D] Sending S-11 GTP-C PDU
2022-03-13T22:37:44.809614 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:06.649626 [MME GTPC] [D] MME S11 Sent 1360 Bytes.
2022-03-13T22:37:44.809620 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:06.649647 [SPGW ] [D] Message received at SPGW: S11
Message
2022-03-13T22:37:44.809621 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:06.649665 [SPGW GTPC] [D] Received GTP-C PDU. Message
type: GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
2022-03-13T22:37:44.809622 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
2022-03-13T22:39:06.649666 [SPGW GTPC] [D] Handling downlink data
notification failure indication
2022-03-13T22:37:44.809624 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
2022-03-13T22:39:06.649667 [SPGW GTPC] [D] Downlink Data Notification
failure indication cause: 87.
2022-03-13T22:37:44.809654 [GTPU ] [D] Deallocating packet after sending
S1-U message
2022-03-13T22:39:06.649668 [SPGW GTPC] [D] Dropping packet. Bytes 84
2022-03-13T22:37:44.854340 [SPGW ] [D] Message received at SPGW: S1-U
Message
2022-03-13T22:39:06.649669 [SPGW GTPC] [D] Dropping packet. Bytes 84
2022-03-13T22:37:44.854347 [GTPU ] [D] Received PDU from S1-U. Bytes=84
2022-03-13T22:39:06.649811 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:37:44.854347 [GTPU ] [D] TEID 0x3. Bytes=84
Found UE for Downlink Notification
2022-03-13T22:37:44.854367 [GTPU ] [D] Forwarded packet to TUN interface.
Bytes= 84/84
MME Ctr TEID 0x4, IMSI: 901700000044984
2022-03-13T22:37:45.810466 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:06.651458 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:37:45.810472 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:06.651463 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:37:45.810473 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:06.651464 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:37:45.810479 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:06.651469 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:45.810480 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:06.651470 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:45.810481 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
2022-03-13T22:39:06.651470 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:45.810483 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
2022-03-13T22:39:06.651471 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:45.810504 [GTPU ] [D] Deallocating packet after sending
S1-U message
2022-03-13T22:39:06.651472 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:45.854379 [SPGW ] [D] Message received at SPGW: S1-U
Message
2022-03-13T22:39:06.651491 [SPGW GTPC] [D] SPGW Sending S11 PDU! N_Bytes:
1360
2022-03-13T22:37:45.854387 [GTPU ] [D] Received PDU from S1-U. Bytes=84
2022-03-13T22:39:06.651501 [SPGW GTPC] [D] SPGW S11 Sent 1360 Bytes.
2022-03-13T22:37:45.854388 [GTPU ] [D] TEID 0x3. Bytes=84
2022-03-13T22:39:06.651502 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 1
2022-03-13T22:37:45.854412 [GTPU ] [D] Forwarded packet to TUN interface.
Bytes= 84/84
2022-03-13T22:39:06.651512 [MME GTPC] [D] Received S11 message
2022-03-13T22:37:46.810894 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:06.651513 [MME GTPC] [D] MME Received GTP-C PDU. Message
type GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION
2022-03-13T22:37:46.810901 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:06.651514 [MME GTPC] [D] Downlink Data Notification --
IMSI: 901700000044984, EBI 5
2022-03-13T22:37:46.810902 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:06.651515 [S1AP ] [I] Preparing to Page UE -- IMSI
901700000044984
2022-03-13T22:37:46.810910 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:06.651528 [NAS ] [D] Starting NAS timer
2022-03-13T22:37:46.810911 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:06.651528 [NAS ] [I] Starting T3413 Timer: Timeout
value 2
2022-03-13T22:37:46.810912 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
2022-03-13T22:39:06.651545 [S1AP ] [D] Adding NAS timer to MME. IMSI
901700000044984, Type 0, Fd: 8
2022-03-13T22:37:46.810914 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
2022-03-13T22:39:06.651545 [S1AP ] [D] Transmitting S1AP PDU. eNB SCTP
association Id: 22
2022-03-13T22:37:46.810941 [GTPU ] [D] Deallocating packet after sending
S1-U message
2022-03-13T22:39:06.651599 [S1AP ] [D] Adding Timer fd 8 to fd_set
2022-03-13T22:37:46.854364 [SPGW ] [D] Message received at SPGW: S1-U
Message
2022-03-13T22:39:06.651600 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:37:46.854372 [GTPU ] [D] Received PDU from S1-U. Bytes=84
2022-03-13T22:39:07.652479 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:37:46.854372 [GTPU ] [D] TEID 0x3. Bytes=84
2022-03-13T22:39:07.652487 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:37:46.854397 [GTPU ] [D] Forwarded packet to TUN interface.
Bytes= 84/84
2022-03-13T22:39:07.652487 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:37:47.811487 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:07.652496 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:37:47.811493 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:07.652497 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.54
2022-03-13T22:37:47.811494 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:07.652498 [GTPU ] [D] Packet for attached UE that is not
ECM connected.
2022-03-13T22:37:47.811502 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:07.652498 [GTPU ] [D] Triggering Donwlink Notification
Requset.
2022-03-13T22:37:47.811504 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:07.652500 [SPGW GTPC] [D] Sending Downlink Notification
Request
2022-03-13T22:37:47.811504 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
2022-03-13T22:39:07.652500 [SPGW GTPC] [D] UE Downlink Data Notification
still pending.
2022-03-13T22:37:47.811506 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
2022-03-13T22:39:07.652501 [SPGW GTPC] [D] Queued packet. IMSI
901700000044984, Packets in Queue 2
2022-03-13T22:37:47.811527 [GTPU ] [D] Deallocating packet after sending
S1-U message
T3413 expired -- Could not page the ue.
2022-03-13T22:37:47.854264 [SPGW ] [D] Message received at SPGW: S1-U
Message
Received GTP-C PDU. Message type:
GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
2022-03-13T22:37:47.854272 [GTPU ] [D] Received PDU from S1-U. Bytes=84
2022-03-13T22:39:08.651556 [S1AP ] [I] Timer expired
2022-03-13T22:37:47.854272 [GTPU ] [D] TEID 0x3. Bytes=84
2022-03-13T22:39:08.651560 [NAS ] [D] NAS timer expired
2022-03-13T22:37:47.854290 [GTPU ] [D] Forwarded packet to TUN interface.
Bytes= 84/84
2022-03-13T22:39:08.651561 [NAS ] [I] T3413 expired -- Could not page
the ue.
2022-03-13T22:37:48.812481 [SPGW ] [D] Message received at SPGW: SGi
Message
2022-03-13T22:39:08.651574 [MME GTPC] [D] Sending GTP-C Data Notification
Failure Indication. Cause 87
2022-03-13T22:37:48.812487 [GTPU ] [D] Received SGi PDU. Bytes 84
2022-03-13T22:39:08.651576 [MME GTPC] [I] Downlink Data Notification
Failure Indication -- SP-GW control teid 4
2022-03-13T22:37:48.812488 [GTPU ] [D] SGi PDU -- IP version 4, Total
length 84
2022-03-13T22:39:08.651576 [MME GTPC] [D] Sending S-11 GTP-C PDU
2022-03-13T22:37:48.812494 [GTPU ] [D] SGi PDU -- IP src addr 172.16.0.1
2022-03-13T22:39:08.651597 [MME GTPC] [D] MME S11 Sent 1360 Bytes.
2022-03-13T22:37:48.812495 [GTPU ] [D] SGi PDU -- IP dst addr 172.16.0.62
2022-03-13T22:39:08.651606 [S1AP ] [D] Waiting for S1-MME or S11 Message
2022-03-13T22:37:48.812496 [GTPU ] [D] User plane tunnel found SGi PDU.
Forwarding packet to S1-U.
2022-03-13T22:39:08.651607 [SPGW ] [D] Message received at SPGW: S11
Message
2022-03-13T22:37:48.812498 [GTPU ] [D] eNB F-TEID -- eNB IP 127.0.1.1,
eNB TEID 0x4.
2022-03-13T22:39:08.651629 [SPGW GTPC] [D] Received GTP-C PDU. Message
type: GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION
2022-03-13T22:37:48.812518 [GTPU ] [D] Deallocating packet after sending
S1-U message
2022-03-13T22:39:08.651630 [SPGW GTPC] [D] Handling downlink data
notification failure indication
2022-03-13T22:37:48.854321 [SPGW ] [D] Message received at SPGW: S1-U
Message
2022-03-13T22:39:08.651630 [SPGW GTPC] [D] Downlink Data Notification
failure indication cause: 87.
2022-03-13T22:37:48.854330 [GTPU ] [D] Received PDU from S1-U. Bytes=84
2022-03-13T22:39:08.651631 [SPGW GTPC] [D] Dropping packet. Bytes 84
2022-03-13T22:37:48.854333 [GTPU ] [D] TEID 0x3. Bytes=84
2022-03-13T22:39:08.651632 [SPGW GTPC] [D] Dropping packet. Bytes 84
*Andrea Valori, PhD*
*Sviluppatore Hardware - Hardware Developer*
andrea.valori at innovatrieste.it
*Informativa sulla privacy e sulla sicurezza*Questo messaggio può contenere
informazioni confidenziali ed è destinato esclusivamente all'indirizzo in
intestazione. Il materiale e le informazioni contenuti e/o collegati a
questo messaggio sono riservati e non divulgabili a terzi. Ai sensi della
legge sul diritto d'autore e del codice civile, sono vietate la
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*Disclaimer and confidentiality notice*This e-mail may contain confidential
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contents should not be disclosed to any other person nor copies taken or
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and do not necessarily represent the views of Innova S.p.A. unless
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secure Innova S.p.A. does not accept legal responsibility for the contents
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according to GDPR Regulation EU 2016/679. Privacy-related information is
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