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Monday, July 20th, 2020 10:00 AM

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Need to restart my modem every few days

This has been really frustrating. Althought I have seen similar posts, but there were no concrete solution. We signed up for 1000MB internet around 2 months ago, but the speed drops to a few MB every few days; we need to restart the modem (a new ARRIS SB8200) to resolve it. I just restarted the modem and below is the tatus report:

 

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 603000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK  
Security Enabled BPI+
DOCSIS Network Access Enabled Allowed  

 

 
Downstream Bonded Channels
Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
17 Locked QAM256 603000000 Hz 3.0 dBmV 41.0 dB 0 0
14 Locked QAM256 585000000 Hz 3.3 dBmV 41.2 dB 0 0
15 Locked QAM256 591000000 Hz 3.3 dBmV 41.1 dB 0 0
16 Locked QAM256 597000000 Hz 3.2 dBmV 41.1 dB 0 0
18 Locked QAM256 609000000 Hz 2.8 dBmV 40.9 dB 0 0
19 Locked QAM256 615000000 Hz 2.7 dBmV 40.8 dB 0 0
20 Locked QAM256 621000000 Hz 2.8 dBmV 40.9 dB 0 0
21 Locked QAM256 627000000 Hz 2.8 dBmV 40.9 dB 0 0
22 Locked QAM256 633000000 Hz 2.8 dBmV 40.7 dB 0 0
23 Locked QAM256 639000000 Hz 2.8 dBmV 40.7 dB 0 0
24 Locked QAM256 645000000 Hz 2.9 dBmV 40.7 dB 0 0
25 Locked QAM256 651000000 Hz 2.9 dBmV 40.8 dB 0 0
26 Locked QAM256 657000000 Hz 2.7 dBmV 40.7 dB 0 0
27 Locked QAM256 663000000 Hz 2.8 dBmV 40.9 dB 0 0
28 Locked QAM256 669000000 Hz 2.6 dBmV 40.7 dB 0 0
29 Locked QAM256 675000000 Hz 2.7 dBmV 40.3 dB 0 0
30 Locked QAM256 681000000 Hz 2.6 dBmV 40.7 dB 0 0
31 Locked QAM256 687000000 Hz 2.8 dBmV 40.8 dB 0 0
32 Locked QAM256 693000000 Hz 2.9 dBmV 40.8 dB 0 0
33 Locked Other 780000000 Hz 3.4 dBmV 38.5 dB 46675592 0
34 Not Locked QAM256 0 Hz 0.0 dBmV 40.7 dB 0 0
35 Locked QAM256 699000000 Hz 3.1 dBmV 40.8 dB 0 0
36 Locked QAM256 705000000 Hz 3.2 dBmV 40.9 dB 0 0
37 Locked QAM256 711000000 Hz 3.3 dBmV 40.9 dB 0 0
38 Locked QAM256 717000000 Hz 3.4 dBmV 40.8 dB 0 0
39 Locked QAM256 723000000 Hz 3.2 dBmV 40.6 dB 0 0
40 Locked QAM256 729000000 Hz 3.1 dBmV 40.7 dB 0 0
41 Locked QAM256 735000000 Hz 3.2 dBmV 40.8 dB 2 0
42 Locked QAM256 741000000 Hz 3.4 dBmV 40.9 dB 0 0
43 Locked QAM256 747000000 Hz 3.7 dBmV 40.6 dB 0 0
44 Locked QAM256 753000000 Hz 3.8 dBmV 40.7 dB 0 0
45 Locked QAM256 759000000 Hz 3.9 dBmV 40.7 dB 0 0


 

 
Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 2 Locked SC-QAM Upstream 30100000 Hz 6400000 Hz 43.0 dBmV
2 1 Locked SC-QAM Upstream 36500000 Hz 6400000 Hz 43.0 dBmV
3 3 Locked SC-QAM Upstream 23700000 Hz 6400000 Hz 42.0 dBmV
4 4 Locked SC-QAM Upstream 17300000 Hz 6400000 Hz 41.0 dBmV

 

Below is Event Log:

 

Date Time Event ID Event Level Description
07/20/2020 11:45 67061600 6 "DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 2436694066 6 "Honoring MDD; IP provisioning mode = IPv6"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
07/20/2020 11:44 2436694044 3 "Resetting the cable modem due to docsDevResetNow"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
07/08/2020 00:57 2436694044 3 "Resetting the cable modem due to docsDevResetNow"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:01:5c:6f:a6:72;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c8:63:fc:a1:27:79;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
07/03/2020 20:10 2436694044 3 "Resetting the cable modem due to docsDevResetNow"

 

Below is Internet speed test from our router (Google WiFi).

IMG_4975.jpg

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New Poster

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5 Messages

5 years ago

Can someone tell me whether the signals are normal? There's a 1-3 splitter involved, should I change it? Many thanks in advanced.

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