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Missing ACK after status response

Eelke Jager edited this page Nov 30, 2018 · 6 revisions

No ACK from Loop after status response Pod

Taken from this capture: Capture-missing-ACK-after-status-response-Pod

3 occurrances:

using: grep -e 'B9:04.*0e01' *.omni

faultevent92.omni:2018-10-07T07:19:43.199 ID1:1f0b8ae8 PTYPE:PDM SEQ:02 ID2:1f0b8ae8 B9:04 BLEN:3 BODY:0e01008103 CRC:84
faultevent92.omni:2018-10-07T08:33:37.962 ID1:1f0b8ae8 PTYPE:PDM SEQ:02 ID2:1f0b8ae8 B9:04 BLEN:3 BODY:0e01008103 CRC:84
faultevent92.omni:2018-10-07T09:42:29.659 ID1:1f0b8ae8 PTYPE:PDM SEQ:02 ID2:1f0b8ae8 B9:04 BLEN:3 BODY:0e01008103 CRC:84

First occurrance

Status response keeps sending for 1 minute plus 2 seconds

07:18:41.898 - 07:19:43.903 = 00:01:02.102

2018-10-07T07:18:41.793 ID1:1f0b8ae8 PTYPE:PDM SEQ:00 ID2:1f0b8ae8 B9:00 BLEN:3 BODY:0e01000008d9 CRC:23
2018-10-07T07:18:41.898 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d280047a00000047fff0341 CRC:e3
...
2018-10-07T07:19:43.199 ID1:1f0b8ae8 PTYPE:PDM SEQ:02 ID2:1f0b8ae8 B9:04 BLEN:3 BODY:0e01008103 CRC:84
2018-10-07T07:19:43.398 ID1:1f0b8ae8 PTYPE:POD SEQ:03 ID2:1f0b8ae8 B9:08 BLEN:10 BODY:1d280047a000000483ff8031 CRC:dd
...
2018-10-07T07:19:43.903 ID1:1f0b8ae8 PTYPE:POD SEQ:03 ID2:1f0b8ae8 B9:08 BLEN:10 BODY:1d280047a000000483ff8031 CRC:dd
2018-10-07T07:19:44.000 ID1:1f0b8ae8 PTYPE:ACK SEQ:04 ID2:1f0b8ae8 CRC:83
2018-10-07T07:23:45.480 ID1:1f0b8ae8 PTYPE:PDM SEQ:00 ID2:1f0b8ae8 B9:00 BLEN:3 BODY:0e01000008 CRC:d9
2018-10-07T07:23:45.582 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d280047a000000493ff82ba CRC:23
...
2018-10-07T07:23:46.087 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d280047a000000493ff82ba CRC:23
2018-10-07T07:23:46.281 ID1:aabababa PTYPE:PDM SEQ:19 ID2:c1f0b8ae B9:8e BLEN:17 BODY:f0b8ae8040a1d280047a000000493ff82b CRC:a2
2018-10-07T07:23:46.284 ID1:1f0b8ae8 PTYPE:ACK SEQ:02 ID2:1f0b8ae8 CRC:41

Second occurance:

Status response keeps sending for 25 seconds

08:32:36.358 - 08:33:02.173 = 00:00:25:825

2018-10-07T08:32:36.260 ID1:1f0b8ae8 PTYPE:PDM SEQ:00 ID2:1f0b8ae8 B9:00 BLEN:3 BODY:0e01000008 CRC:d9
2018-10-07T08:32:36.358 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d18004820000005a7ff001e CRC:51
...
2018-10-07T08:33:02.173 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d18004820000005a7ff001e CRC:51
2018-10-07T08:33:37.159 ID1:1f0b8ae8 PTYPE:PDM SEQ:00 ID2:1f0b8ae8 B9:00 BLEN:3 BODY:0e01000008 CRC:d9
2018-10-07T08:33:37.262 ID1:1f0b8ae8 PTYPE:ACK SEQ:01 ID2:1f0b8ae8 CRC:e7
2018-10-07T08:33:37.962 ID1:1f0b8ae8 PTYPE:PDM SEQ:02 ID2:1f0b8ae8 B9:04 BLEN:3 BODY:0e01008103 CRC:84
2018-10-07T08:33:38.065 ID1:1f0b8ae8 PTYPE:POD SEQ:03 ID2:1f0b8ae8 B9:08 BLEN:10 BODY:1d18004820000005abff03af CRC:93
...
2018-10-07T08:33:38.773 ID1:1f0b8ae8 PTYPE:POD SEQ:03 ID2:1f0b8ae8 B9:08 BLEN:10 BODY:1d18004820000005abff03af CRC:93
2018-10-07T08:33:38.773 ID1:1f0b8ae8 PTYPE:ACK SEQ:04 ID2:1f0b8ae8 CRC:0a
2018-10-07T08:38:40.742 ID1:1f0b8ae8 PTYPE:PDM SEQ:00 ID2:1f0b8ae8 B9:00 BLEN:3 BODY:0e01000008 CRC:0f
2018-10-07T08:38:41.444 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d18004820000005bfff01fe CRC:3d
...
2018-10-07T08:38:42.052 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d18004820000005bfff01fe CRC:3d
2018-10-07T08:38:42.054 ID1:1f0b8ae8 PTYPE:ACK SEQ:02 ID2:1f0b8ae8 CRC:41

Third occurrance:

Status response keeps sending for 26 seconds

09:38:27.677 - 09:38:53.492 = 00:00:26.225

2018-10-07T09:38:27.580 ID1:1f0b8ae8 PTYPE:PDM SEQ:00 ID2:1f0b8ae8 B9:00 BLEN:3 BODY:0e01000008 CRC:d9
2018-10-07T09:38:27.677 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d28004b20000006afff02a3 CRC:c2
...
2018-10-07T09:38:53.492 ID1:1f0b8ae8 PTYPE:POD SEQ:01 ID2:1f0b8ae8 B9:04 BLEN:10 BODY:1d28004b20000006afff02a3 CRC:c2
2018-10-07T09:42:28.849 ID1:1f0b8ae8 PTYPE:PDM SEQ:00 ID2:1f0b8ae8 B9:00 BLEN:3 BODY:0e01000008d9 CRC:3f
2018-10-07T09:42:28.948 ID1:1f0b8ae8 PTYPE:ACK SEQ:01 ID2:1f0b8ae8 CRC:e7
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