Thank you for your reply.
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Can we please see the full modem stats including the Operational Configuration? That may provide some correlating information.
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yes, sure:
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Cable Modem Operation Configuration
General Configuration
Network Access : Allowed
Maximum Number of CPEs : 1
Baseline Privacy : Enabled
DOCSIS Mode : DOCSIS 3.0
Config File : V668732788139190d.cm
Primary Downstream Service Flow
SFID : 31042
Max Traffic Rate : 53000000 bps
Max Traffic Burst : 10000 bytes
Min Traffic Rate : 0 bps
Primary Upstream Service Flow
SFID : 2072
Max Traffic Rate : 5140000 bps
Max Traffic Burst : 8160 bytes
Min Traffic Rate : 0 bps
Max Concatenated Burst : 8160 bytes
Scheduling Type : Best Effort
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Cable Modem Downstream
DS-1 DS-2 DS-3 DS-4
Frequency 291000000 299000000 307000000 315000000
Lock Status
(QAM Lock/FEC Sync/MPEG Lock) Y/Y/Y Y/Y/Y Y/Y/Y Y/Y/Y
Channel Id 1 2 3 4
Modulation 256QAM 256QAM 256QAM 256QAM
Symbol Rate
(Msym/sec) 6.952 6.952 6.952 6.952
Interleave Depth I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17
Power Level
(dBmV) 5.26 5.14 5.33 5.32
RxMER
(dB) 37.09 37.64 37.64 37.94
Correctable
Codewords 10 1 4 1
Uncorrectable
Codewords 293 272 284 304
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Cable Modem Upstream
US-1 US-2 US-3 US-4
Channel Type 2.0 N/A N/A N/A
Channel ID 2 N/A N/A N/A
Frequency
(Hz) 35800000 N/A N/A N/A
Ranging Status Success N/A N/A N/A
Modulation 16QAM N/A N/A N/A
Symbol Rate
(KSym/sec) 5120 N/A N/A N/A
Mini-Slot Size 4 N/A N/A N/A
Power Level
(dBmV) 40.21 N/A N/A N/A
T1 Timeouts 0 0 0 0
T2 Timeouts 0 0 0 0
T3 Timeouts 117 0 0 0
T4 Timeouts 0 0 0 0
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Cable Modem Upstream Burst
US-1
Req
Init Maint
Per Maint
Adv Short
Adv Long
Adv UGS
(1)
(3)
(4)
(9)
(10)
(11)
Modulation Type QPSK QPSK QPSK 16QAM 16QAM 16QAM
Differential Encoding OFF OFF OFF OFF OFF OFF
Preamble Length 64 640 384 96 104 104
Preamble Value Offset 652 6 6 1028 1028 1028
FEC Error Correction (T) 0 5 5 6 8 8
FEC Codeword Information Bytes (k) 16 34 34 75 219 219
Maximum Burst Size 0 0 0 6 0 0
Guard Time Size 8 48 48 8 8 8
Last Codeword Length FIX FIX FIX SHORT SHORT SHORT
Scrambler on/off ON ON ON ON ON ON
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In your opinion or as a result of observation, are those messages occuring during a modem reboot? It looks to me that the are and that the stats might point to the cause.
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Not during modem reboot, also idle mode, as this issue was the whole day, the modem was rebooted only 5 times.
The cable modem event log is normally full with the above posted critical errors and warnings.