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No Ranging Response received - T3 time-out;CM-

For several months now Hub 3.0 showing critical No Ranging Response received - T3 time-out;CM- errors (amongst others)

Also BB report showing spikes throughout the day

Router reports:

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
187000000
Locked
Ranged Upstream Channel (Hz)
25800818
Locked
Provisioning State
Online
 
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Re: No Ranging Response received - T3 time-out;CM-

Downstream bonded channels Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID 1 187000000 -5.4 37 256 qam 7 2 139000000 -4.9 34 256 qam 1 3 147000000 -5.5 33 256 qam 2 4 155000000 -4.7 36 256 qam 3 5 163000000 -4.9 36 256 qam 4 6 171000000 -4 38 256 qam 5 7 179000000 -4.7 37 256 qam 6 8 195000000 -5 38 256 qam 8 9 203000000 -3.9 37 256 qam 9 10 211000000 -3.5 38 256 qam 10 11 219000000 -3.9 34 256 qam 11 12 227000000 -4 35 256 qam 12 13 235000000 -4 38 256 qam 13 14 243000000 -4.5 37 256 qam 14 15 251000000 -4.4 37 256 qam 15 16 259000000 -4 38 256 qam 16 17 267000000 -3.9 38 256 qam 17 18 275000000 -4 38 256 qam 18 19 283000000 -4.9 38 256 qam 19 20 291000000 -5.2 38 256 qam 20 21 299000000 -4 38 256 qam 21 22 307000000 -3.2 38 256 qam 22 23 315000000 -3.5 38 256 qam 23 24 323000000 -5 38 256 qam 24 Downstream bonded channels Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors 1 Locked 37.6 126445 0 2 Locked 34.9 18639704 13929 3 Locked 33.8 24427913 43590 4 Locked 36.6 48806 5 5 Locked 36.6 20771 2 6 Locked 38.6 170 6 7 Locked 37.6 2250 0 8 Locked 38.6 1765 0 9 Locked 37.6 1984024 5 10 Locked 38.6 7897 0 11 Locked 34.2 81843 0 12 Locked 35 2057 0 13 Locked 38.6 172 0 14 Locked 37.6 2408377 0 15 Locked 37.6 2627091 1 16 Locked 38.9 3972 0 17 Locked 38.6 38 0 18 Locked 38.9 42 0 19 Locked 38.9 84 0 20 Locked 38.9 88 0 21 Locked 38.6 38 0 22 Locked 38.9 11 0 23 Locked 38.9 32 0 24 Locked 38.6 33 0
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Re: No Ranging Response received - T3 time-out;CM-

Network Log

Time Priority Description

22/04/2020 14:38:45criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 14:38:42noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 14:28:22criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 14:15:42noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 13:04:16criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
21/04/2020 19:23:54Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
21/04/2020 15:32:35criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/04/2020 19:46:3Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/04/2020 16:48:42criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/04/2020 09:02:27criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

 

 

Network Log

Time Priority Description

22/04/2020 14:38:45criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 14:38:42noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 14:28:22criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 14:15:42noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 13:04:16criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
21/04/2020 19:23:54Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
21/04/2020 15:32:35criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/04/2020 19:46:3Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/04/2020 16:48:42criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/04/2020 09:02:27criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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Alessandro Volta
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Message 4 of 12
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Re: No Ranging Response received - T3 time-out;CM-

Need your upstream power levels as well. The Pre & Post RS error are high, but are accumulative since the hub was last power cycled. Please power cycle your hub and post a full set of new stats in a few hours. 


Tudor
There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal c1a2a285948293859940d9a49385a2
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Re: No Ranging Response received - T3 time-out;CM-

Downstream bonded channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

1187000000-5.237256 qam7
2139000000-4.734256 qam1
3147000000-5.233256 qam2
4155000000-4.736256 qam3
5163000000-4.936256 qam4
6171000000-438256 qam5
7179000000-4.737256 qam6
8195000000-538256 qam8
9203000000-3.938256 qam9
10211000000-3.538256 qam10
11219000000-3.733256 qam11
12227000000-435256 qam12
13235000000-438256 qam13
14243000000-4.437256 qam14
15251000000-4.437256 qam15
16259000000-3.938256 qam16
17267000000-3.738256 qam17
18275000000-438256 qam18
19283000000-4.738256 qam19
20291000000-537256 qam20
21299000000-3.938256 qam21
22307000000-338256 qam22
23315000000-3.238256 qam23
24323000000-4.738256 qam24



Downstream bonded channels

Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors

1Locked37.3102520
2Locked34.32365992694
3Locked33.4347829010168
4Locked36.3152690
5Locked36.32429290
6Locked38.61820
7Locked37.64160
8Locked38.61630
9Locked38.6343360
10Locked38.643230
11Locked33.8425330
12Locked35.5790
13Locked38.6310
14Locked37.62222310
15Locked37.65582024
16Locked38.640220
17Locked38.940
18Locked38.9120
19Locked38.6220
20Locked37.6110
21Locked38.6230
22Locked38.950
23Locked38.6230
24Locked38.6140
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Re: No Ranging Response received - T3 time-out;CM-

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
187000000
Locked
Ranged Upstream Channel (Hz)
25800197
Locked
Provisioning State
Online
 
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Re: No Ranging Response received - T3 time-out;CM-

Upstream bonded channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID

1258001975.5512016 qam4
2394004785.5512016 qam2



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
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Re: No Ranging Response received - T3 time-out;CM-

General Configuration

Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
cmreg-vmdg505-rtsxxl35016u-b.cm



Primary Downstream Service Flow

SFID169694
Max Traffic Rate402500089
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID169693
Max Traffic Rate38500089
Max Traffic Burst42600
Min Traffic Rate0
Max Concatenated Burst42600
Scheduling TypeBestEffort
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Re: No Ranging Response received - T3 time-out;CM-

 
Network LogTime Priority Description
22/04/2020 16:59:56noticeLAN login Success;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/04/2020 16:29:26criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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Re: No Ranging Response received - T3 time-out;CM-

New stats uploaded after power cycling the Hub 3.0

Thanks.

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