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badhodor123
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No Ranging Response received - T3 time-out

Hi,

 

Looking at the router network log, I see numerous warnings:

 

No Ranging Response received - T3 time-out

Also, as I read in other threads, I notice upstream modulation is at 16qam, can someone please look into it or advice if I need an engineer visit?

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Tudor
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Message 2 of 18
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Re: No Ranging Response received - T3 time-out

Please post your full up/downstream stats and network log. 


Tudor
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badhodor123
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Re: No Ranging Response received - T3 time-out

Time Priority Description

31/07/2021 11:32:7noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 01:53:2criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 00:59:9noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 00:59:9ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 00:08:52criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
30/07/2021 10:07:38noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/07/2021 07:43:59criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/07/2021 12:59:9noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/07/2021 12:59:9ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/07/2021 14:31:8criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/07/2021 00:59:9noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/07/2021 00:59:9ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/07/2021 17:19:59criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/07/2021 12:59:8noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/07/2021 12:59:8ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/07/2021 09:12:59criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
17/07/2021 00:59:7noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
17/07/2021 00:59:7ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
16/07/2021 10:43:24criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
13/07/2021 12:59:6noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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badhodor123
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Message 4 of 18
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Re: No Ranging Response received - T3 time-out

Downstream bonded channels

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

16350000005.838256 qam29
25390000006.140256 qam17
35470000006.140256 qam18
45550000006.140256 qam19
55630000006.340256 qam20
6571000000640256 qam21
7579000000640256 qam22
85870000006.340256 qam23
95950000006.340256 qam24
106030000006.140256 qam25
11611000000640256 qam26
12619000000640256 qam27
136270000005.938256 qam28
146430000005.638256 qam30
156510000005.640256 qam31
166590000005.940256 qam32
176670000005.940256 qam33
186750000005.940256 qam34
196830000005.540256 qam35
206910000005.340256 qam36
21699000000540256 qam37
22707000000540256 qam38
237150000005.140256 qam39
247230000005.540256 qam40



Downstream bonded channels

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

1Locked38.91213934
2Locked40.343640
3Locked40.360690
4Locked40.354160
5Locked40.364750
6Locked40.971090
7Locked40.368010
8Locked40.369660
9Locked40.3580211
10Locked40.3679413
11Locked40.3909814
12Locked40.393400
13Locked38.993560
14Locked38.91343112
15Locked40.3113260
16Locked40.31256312
17Locked40.3121920
18Locked40.31406314
19Locked40.31164217
20Locked40.3113850
21Locked40.3144660
22Locked39.3147560
23Locked40.3158532
24Locked40.3123800
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badhodor123
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Message 5 of 18
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Re: No Ranging Response received - T3 time-out

Upstream bonded channels

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

16030000244512016 qam9
23939994942512016 qam12
34620000742.5512016 qam11
45370000942.5512016 qam10



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA00140
2ATDMA00240
3ATDMA00260
4ATDMA00200
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badhodor123
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Message 6 of 18
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Re: No Ranging Response received - T3 time-out

Thanks, Have posted full logs now.
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Tudor
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Message 7 of 18
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Re: No Ranging Response received - T3 time-out

Upstream is really bad, too many T3’s and should be 64QAM not 16QAM. You will need a technician’s visit to rectify, call customer services or wait awhile for a VM staff member to get to your post and arrange one.


Tudor
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Paul_DN
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Message 8 of 18
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Re: No Ranging Response received - T3 time-out

Hi badhodor123,

 

Thank you for reaching out to us in our community and welcome back, I have been able to locate yopur account and have had a look, there are some errors showing however I have found 2 thing you have a 3rd party Router which stopped me doing further check and you haven't rebooted our Router for 77 Days which is the first thing we ask when you have any issues.

 

can you try a pin reset on the Router just to rule out a software issue, first check all the internal connections are hand tight then push a pin/ paper clip in the back of the Router where it says reset, push in until you feel it press then hold in for a timed 1 Minute, do not reboot during or after and allow 15 Minutes to settle afterwards?

 

Once reset keep ours in Router mode and post full logs again to see if there is any difference, if the same I will arrange a technician once I have been able to run further checks?

 

Regards

 

Paul.

 

 

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badhodor123
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Message 9 of 18
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Re: No Ranging Response received - T3 time-out

Thanks Paul, I don't think generally people restart their router?

Anyways, as per your instructions, I have done a reset for 60 secs and then the router is back in router mode automatically.

Please see the attached logs below:

Network Log

Time Priority Description

02/08/2021 18:56:42noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
02/08/2021 11:22:54criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 11:32:7noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 01:53:2criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 00:59:9noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 00:59:9ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/07/2021 00:08:52criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
30/07/2021 10:07:38noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/07/2021 07:43:59criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/07/2021 12:59:9noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/07/2021 12:59:9ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

 

 

Upstream bonded channels

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

14619993942.2512016 qam11
23940001740.8512016 qam12
35370007542.3512016 qam10
46029995442.3512016 qam9



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA0000

 

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badhodor123
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Message 10 of 18
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Re: No Ranging Response received - T3 time-out

Downstream bonded channels

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

17230000005.640256 qam40
25390000006.440256 qam17
35470000006.340256 qam18
45550000006.440256 qam19
55630000006.440256 qam20
65710000006.340256 qam21
75790000006.340256 qam22
85870000006.440256 qam23
95950000006.540256 qam24
106030000006.440256 qam25
116110000006.340256 qam26
126190000006.340256 qam27
13627000000640256 qam28
14635000000638256 qam29
156430000005.940256 qam30
166510000005.940256 qam31
17659000000640256 qam32
18667000000640256 qam33
19675000000640256 qam34
206830000005.840256 qam35
216910000005.540256 qam36
226990000005.140256 qam37
237070000005.140256 qam38
247150000005.440256 qam39



Downstream bonded channels

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

1Locked40.912914
2Locked40.3304398
3Locked40.3323357
4Locked40.3304362
5Locked40.3308332
6Locked40.3309337
7Locked40.3316327
8Locked40.9326309
9Locked40.9364244
10Locked40.3329232
11Locked40.9329147
12Locked40.3341172
13Locked40.3312126
14Locked38.9310105
15Locked40.329570
16Locked40.327486
17Locked40.323052
18Locked40.326254
19Locked40.320944
20Locked40.321442
21Locked40.318617
22Locked40.919031
23Locked40.316331
24Locked40.316424




I have left it in router mode until you are able to finish your tests. I have failover using my 3rd party router with a different ISP, so I can run via. secondary internet connection temporarily. Running speed tests, since then, I am at 350-360 MBPS with wired cat6 cable , used to be 500+ as i am on M500. Upload is the same as before 36 (wired, wireless, before, after) no change.

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