Notice the big messages, a mere LSSU is 20 bytes. An ACK is 16 bytes.
FSN/BSN are 3 byte quantities.
[1] Link state change: INSERVICE -> IDLE
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 09 ]
[1] >[2:0] LSSU SIOS FSN 16777215 BSN 16777215
[1]
[1] MTP3 T19 timer stopped PC: 2
[2021-01-18 23:42:43] ERROR[29258]: chan_dahdi.c:13847 dahdi_ss7_error: [1] Adjacent SP PC: 2 DOWN!!!
Linkset 1: Processing event: MTP2_LINK_DOWN
[2021-01-18 23:42:43] WARNING[29258]: sig_ss7.c:1502 ss7_linkset: MTP2 link down (SLC 0)
Linkset 1: Processing event: SS7_EVENT_DOWN
--- SS7 Down ---
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 09 ]
[1] >[2:0] LSSU SIOS FSN 16777215 BSN 16777215
[1]
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 09 ]
[1] >[2:0] LSSU SIOS FSN 16777215 BSN 16777215
[1]
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 09 ]
[1] <[2:0] LSSU SIOS FSN 16777215 BSN 16777215
[1]
[1] Link state change: IDLE -> NOTALIGNED
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 01 ]
[1] >[2:0] LSSU SIO FSN 16777215 BSN 16777215
[1]
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 01 ]
[1] <[2:0] LSSU SIO FSN 16777215 BSN 16777215
[1]
[1] Link state change: NOTALIGNED -> ALIGNED
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 03 ]
[1] >[2:0] LSSU SIE FSN 16777215 BSN 16777215
[1]
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 03 ]
[1] <[2:0] LSSU SIE FSN 16777215 BSN 16777215
[1]
[1] Link state change: ALIGNED -> PROVING
[1] MTP2 T4 expired!
[1] Link state change: PROVING -> ALIGNEDREADY
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 04 ]
[1] >[2:0] LSSU READY FSN 16777215 BSN 16777215
[1]
[1] Len = 20 [ 01 00 0b 02 00 00 00 14 00 ff ff ff 00 ff ff ff 00 00 00 04 ]
[1] <[2:0] LSSU READY FSN 16777215 BSN 16777215
[1]
[1] Link state change: ALIGNEDREADY -> INSERVICE
Linkset 1: Processing event: MTP2_LINK_UP
MTP2 link up (SLC 0)
[1] Len = 34 [ 01 00 0b 01 00 00 00 22 00 ff ff ff 00 00 00 00 00 81 02 40 00 00 11 a0 32 35 36 34 32 38 36 32 38 38 ]
[1] >[2:0] MSU FSN 0 BSN 16777215
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: STD_TEST (1)
[1] [ 81 ]
[1] OPC 1 DPC 2 SLS 0
[1] [ 02 40 00 00 ]
[1] H0: 1 H1: 1
[1] [ 11 a0 32 35 36 34 32 38 36 32 38 38 ]
[1]
[1] Len = 34 [ 01 00 0b 01 00 00 00 22 00 00 00 00 00 00 00 00 00 81 01 80 00 00 21 a0 32 35 36 34 32 38 36 32 38 38 ]
[1] <[2:0] MSU FSN 0 BSN 0
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: STD_TEST (1)
[1] [ 81 ]
[1] OPC 2 DPC 1 SLS 0
[1] [ 01 80 00 00 ]
[1] H0: 1 H1: 2
[1] [ 21 a0 32 35 36 34 32 38 36 32 38 38 ]
[1]
[1] Len = 23 [ 01 00 0b 01 00 00 00 17 00 00 00 00 00 00 00 01 00 80 02 40 00 00 17 ]
[1] >[2:0] MSU FSN 1 BSN 0
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: NET_MNG (0)
[1] [ 80 ]
[1] OPC 1 DPC 2 SLS 0
[1] [ 02 40 00 00 ]
[1] H0: 7 H1: 1
[1] Message type: TRA
[1] [ 17 ]
[1]
[1] Len = 16 [ 01 00 0b 01 00 00 00 10 00 00 00 00 00 00 00 01 ]
[1] >[2:0] MSU FSN 1 BSN 0
[1] [ 01 00 0b ]
[1]
[1] Len = 16 [ 01 00 0b 01 00 00 00 10 00 00 00 01 00 00 00 00 ]
[1] <[2:0] MSU FSN 0 BSN 1
[1] [ 01 00 0b ]
[1]
[1] Len = 39 [ 01 00 0b 01 00 00 00 27 00 00 00 01 00 00 00 01 00 81 01 80 00 00 11 f0 2e 31 32 33 34 35 36 37 38 39 31 32 33 34 35 ]
[1] <[2:0] MSU FSN 1 BSN 1
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: STD_TEST (1)
[1] [ 81 ]
[1] OPC 2 DPC 1 SLS 0
[1] [ 01 80 00 00 ]
[1] H0: 1 H1: 1
[1] [ 11 f0 2e 31 32 33 34 35 36 37 38 39 31 32 33 34 35 ]
[1]
[1] Len = 39 [ 01 00 0b 01 00 00 00 27 00 00 00 01 00 00 00 02 00 81 02 40 00 00 21 f0 2e 31 32 33 34 35 36 37 38 39 31 32 33 34 35 ]
[1] >[2:0] MSU FSN 2 BSN 1
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: STD_TEST (1)
[1] [ 81 ]
[1] OPC 1 DPC 2 SLS 0
[1] [ 02 40 00 00 ]
[1] H0: 1 H1: 2
[1] [ 21 f0 2e 31 32 33 34 35 36 37 38 39 31 32 33 34 35 ]
[1]
[1] Len = 23 [ 01 00 0b 01 00 00 00 17 00 00 00 02 00 00 00 02 00 80 01 80 00 00 17 ]
[1] <[2:0] MSU FSN 2 BSN 2
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: NET_MNG (0)
[1] [ 80 ]
[1] OPC 2 DPC 1 SLS 0
[1] [ 01 80 00 00 ]
[1] H0: 7 H1: 1
[1] Message type: TRA
[1] [ 17 ]
[1]
[1] MTP3 T19 timer started PC: 2
[1] MTP3 T21 timer stopped PC: 2
[1] Adjacent SP PC: 2 UP!!!
[1] LINKSET UP DELAYING RESETTING
[1] Len = 16 [ 01 00 0b 01 00 00 00 10 00 00 00 02 00 00 00 02 ]
[1] >[2:0] MSU FSN 2 BSN 2
[1] [ 01 00 0b ]
[1]
Linkset 1: Processing event: SS7_EVENT_UP
--- SS7 Up ---
Resetting CICs 1 to 15
[1] ISUP timer t22 (15000ms) started on CIC 1 DPC 3
[1] ISUP timer t23 (300000ms) started on CIC 1 DPC 3
Resetting CICs 17 to 31
[1] ISUP timer t22 (15000ms) started on CIC 17 DPC 3
[1] ISUP timer t23 (300000ms) started on CIC 17 DPC 3
Resetting CICs 33 to 47
[1] ISUP timer t22 (15000ms) started on CIC 33 DPC 3
[1] ISUP timer t23 (300000ms) started on CIC 33 DPC 3
Resetting CICs 49 to 63
[1] ISUP timer t22 (15000ms) started on CIC 49 DPC 3
[1] ISUP timer t23 (300000ms) started on CIC 49 DPC 3
[1] Len = 28 [ 01 00 0b 01 00 00 00 1c 00 00 00 02 00 00 00 06 00 85 03 40 00 10 01 00 17 01 01 0e ]
[1] >[2:0] MSU FSN 6 BSN 2
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 1 DPC 3 SLS 1
[1] [ 03 40 00 10 ]
[1] CIC: 1
[1] [ 01 00 ]
[1] Message Type: GRS(0x17)
[1] [ 17 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 01 0e ]
[1]
[1] Len = 28 [ 01 00 0b 01 00 00 00 1c 00 00 00 02 00 00 00 06 00 85 03 40 00 10 11 00 17 01 01 0e ]
[1] >[2:0] MSU FSN 6 BSN 2
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 1 DPC 3 SLS 1
[1] [ 03 40 00 10 ]
[1] CIC: 17
[1] [ 11 00 ]
[1] Message Type: GRS(0x17)
[1] [ 17 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 01 0e ]
[1]
[1] Len = 28 [ 01 00 0b 01 00 00 00 1c 00 00 00 02 00 00 00 06 00 85 03 40 00 10 21 00 17 01 01 0e ]
[1] >[2:0] MSU FSN 6 BSN 2
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 1 DPC 3 SLS 1
[1] [ 03 40 00 10 ]
[1] CIC: 33
[1] [ 21 00 ]
[1] Message Type: GRS(0x17)
[1] [ 17 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 01 0e ]
[1]
[1] Len = 28 [ 01 00 0b 01 00 00 00 1c 00 00 00 02 00 00 00 06 00 85 03 40 00 10 31 00 17 01 01 0e ]
[1] >[2:0] MSU FSN 6 BSN 2
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 1 DPC 3 SLS 1
[1] [ 03 40 00 10 ]
[1] CIC: 49
[1] [ 31 00 ]
[1] Message Type: GRS(0x17)
[1] [ 17 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 01 0e ]
[1]
[1] Len = 16 [ 01 00 0b 01 00 00 00 10 00 00 00 02 00 00 00 06 ]
[1] >[2:0] MSU FSN 6 BSN 2
[1] [ 01 00 0b ]
[1]
[1] Len = 16 [ 01 00 0b 01 00 00 00 10 00 00 00 06 00 00 00 02 ]
[1] <[2:0] MSU FSN 2 BSN 6
[1] [ 01 00 0b ]
[1]
[1] Len = 30 [ 01 00 0b 01 00 00 00 1e 00 00 00 06 00 00 00 03 00 85 01 c0 00 10 01 00 29 01 03 0e 00 00 ]
[1] <[2:0] MSU FSN 3 BSN 6
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 3 DPC 1 SLS 1
[1] [ 01 c0 00 10 ]
[1] CIC: 1
[1] [ 01 00 ]
[1] Message Type: GRA(0x29)
[1] [ 29 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 03 0e 00 00 ]
[1]
[1] ISUP timer t22 stopped on CIC 1 DPC: 3
[1] ISUP timer t23 stopped on CIC 1 DPC: 3
Linkset 1: Processing event: ISUP_EVENT_GRA
Got reset acknowledgement from CIC 1 to 15 DPC: 3
[1] Len = 30 [ 01 00 0b 01 00 00 00 1e 00 00 00 06 00 00 00 04 00 85 01 c0 00 10 11 00 29 01 03 0e 00 00 ]
[1] <[2:0] MSU FSN 4 BSN 6
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 3 DPC 1 SLS 1
[1] [ 01 c0 00 10 ]
[1] CIC: 17
[1] [ 11 00 ]
[1] Message Type: GRA(0x29)
[1] [ 29 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 03 0e 00 00 ]
[1]
[1] ISUP timer t22 stopped on CIC 17 DPC: 3
[1] ISUP timer t23 stopped on CIC 17 DPC: 3
Linkset 1: Processing event: ISUP_EVENT_GRA
Got reset acknowledgement from CIC 17 to 31 DPC: 3
[1] Len = 30 [ 01 00 0b 01 00 00 00 1e 00 00 00 06 00 00 00 05 00 85 01 c0 00 10 21 00 29 01 03 0e 00 00 ]
[1] <[2:0] MSU FSN 5 BSN 6
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 3 DPC 1 SLS 1
[1] [ 01 c0 00 10 ]
[1] CIC: 33
[1] [ 21 00 ]
[1] Message Type: GRA(0x29)
[1] [ 29 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 03 0e 00 00 ]
[1]
[1] ISUP timer t22 stopped on CIC 33 DPC: 3
[1] ISUP timer t23 stopped on CIC 33 DPC: 3
Linkset 1: Processing event: ISUP_EVENT_GRA
Got reset acknowledgement from CIC 33 to 47 DPC: 3
[1] Len = 30 [ 01 00 0b 01 00 00 00 1e 00 00 00 06 00 00 00 06 00 85 01 c0 00 10 31 00 29 01 03 0e 00 00 ]
[1] <[2:0] MSU FSN 6 BSN 6
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 3 DPC 1 SLS 1
[1] [ 01 c0 00 10 ]
[1] CIC: 49
[1] [ 31 00 ]
[1] Message Type: GRA(0x29)
[1] [ 29 ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 14
[1] [ 03 0e 00 00 ]
[1]
[1] ISUP timer t22 stopped on CIC 49 DPC: 3
[1] ISUP timer t23 stopped on CIC 49 DPC: 3
Linkset 1: Processing event: ISUP_EVENT_GRA
Got reset acknowledgement from CIC 49 to 63 DPC: 3
[1] Len = 28 [ 01 00 0b 01 00 00 00 1c 00 00 00 06 00 00 00 07 00 85 01 c0 00 10 01 00 2a 01 01 1e ]
[1] <[2:0] MSU FSN 7 BSN 6
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 3 DPC 1 SLS 1
[1] [ 01 c0 00 10 ]
[1] CIC: 1
[1] [ 01 00 ]
[1] Message Type: CQM(0x2a)
[1] [ 2a ]
[1] --VARIABLE LENGTH PARMS[1]--
[1] Range and status:
[1] Range: 30
[1] [ 01 1e ]
[1]
Linkset 1: Processing event: ISUP_EVENT_CQM
[1] Len = 61 [ 01 00 0b 01 00 00 00 3d 00 00 00 07 00 00 00 07 00 85 03 40 00 00 01 00 2b 02 03 01 1e 1f 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 00 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c ]
[1] >[2:0] MSU FSN 7 BSN 7
[1] [ 01 00 0b ]
[1] Network Indicator: 2 Priority: 0 User Part: ISUP (5)
[1] [ 85 ]
[1] OPC 1 DPC 3 SLS 0
[1] [ 03 40 00 00 ]
[1] CIC: 1
[1] [ 01 00 ]
[1] Message Type: CQR(0x2b)
[1] [ 2b ]
[1] --VARIABLE LENGTH PARMS[2]--
[1] Range and status:
[1] Range: 30
[1] [ 01 1e ]
[1] Circuit State Indicator:
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: transient (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] Maintenance blocking state: no blocking (active) (0)
[1] Call processing state: idle (3)
[1] Hardware blocking state: no blocking (active) (0)
[1] [ 1f 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 00 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c 0c ]
[1]
[1] Len = 16 [ 01 00 0b 01 00 00 00 10 00 00 00 07 00 00 00 07 ]
[1] >[2:0] MSU FSN 7 BSN 7
[1] [ 01 00 0b ]
[1]
[1] Len = 16 [ 01 00 0b 01 00 00 00 10 00 00 00 07 00 00 00 07 ]
[1] <[2:0] MSU FSN 7 BSN 7
[1] [ 01 00 0b ]
[1]
