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leftsider
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No ranging response received - T3 time out

My WiFi intermittently drops out. Looking at the router pages I see the critical error “No ranging response received. T3 time out”

I haven’t correlated this with the dropouts experienced but since the log shows 9 such occurrences in the last 11 days it will be a good bet.

can these be fixed?

Additionally my WiFi signal strength is very poor. I get around 10% of the router speed in my living room, with my router in the bedroom about 15 feet away. My neighbour’s WiFi (further away) is much stronger. There is no signal at all in my son’s room across the hall. Is there a way to boost the signal strength?

lastly my hub 3 power light is constantly orange an the hub is hot to the touch. Having done multiple reboots and factory resets I believe that the hub is defective, but when I call I am always told that a remote repair is complete and then left for the problems to continue.

Hopefully someone on here can help

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lotharmat
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Message 2 of 16
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Re: No ranging response received - T3 time out

Post up the rest of your stats up and downstream.



------------------------------------------------------------------
Hub 3 - Modem Mode - TP-Link Archer C7

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leftsider
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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

12030000002.240256 qam9
21390000003.540256 qam1
31470000003.540256 qam2
41550000003.540256 qam3
5163000000340256 qam4
61710000002.740256 qam5
71790000002.540256 qam6
81870000002.440256 qam7
91950000002.440256 qam8
102110000001.740256 qam10
112190000001.740256 qam11
122270000001.740256 qam12
132350000001.540256 qam13
142430000001.240256 qam14
152510000001.240256 qam15
162590000000.740256 qam16
172670000000.740256 qam17
182750000000.740256 qam18
192830000000.540256 qam19
20291000000040256 qam20
212990000000.240256 qam21
22307000000-0.240256 qam22
23315000000-0.240256 qam23
24323000000040256 qam24



Downstream bonded channels

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

1Locked40.9711646225
2Locked40.9230
3Locked40.950
4Locked40.340
5Locked40.3170
6Locked40.3210
7Locked40.360
8Locked40.940
9Locked40.360
10Locked40.360
11Locked40.350
12Locked40.950
13Locked40.350
14Locked40.360
15Locked40.350
16Locked40.300
17Locked40.940
18Locked40.350
19Locked40.360
20Locked40.3130
21Locked40.340
22Locked40.350
23Locked40.350
24Locked40.370

 

Upstream bonded channels

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

13939998840.8512064 qam2
22580000439.3512064 qam4
33260001739.3512064 qam3
44619999840.8512064 qam1



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA0000

 

Hope useful

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leftsider
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Re: No ranging response received - T3 time out

Network Log
Time Priority Description
13/08/2021 09:41:26 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
13/08/2021 09:23:32 critical SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
13/08/2021 09:18:9 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/08/2021 20:14:21 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/08/2021 06:34:57 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2021 16:47:40 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2021 16:27:45 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2021 14:43:12 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2021 12:27:7 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2021 07:30:46 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
09/08/2021 20:25:51 notice DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
09/08/2021 20:25:51 Error DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/08/2021 02:53:10 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
05/08/2021 10:05:9 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
05/08/2021 02:12:23 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
04/08/2021 16:19:57 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
04/08/2021 16:19:49 Warning! LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
03/08/2021 12:58:18 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
03/08/2021 11:42:21 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
02/08/2021 11:53:23 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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lotharmat
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Message 5 of 16
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Re: No ranging response received - T3 time out

Looks like a serious amount of noise ingress in the 203 Mhz band!



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Hub 3 - Modem Mode - TP-Link Archer C7

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leftsider
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Message 6 of 16
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Re: No ranging response received - T3 time out

Can it be fixed?

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Z92
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Message 7 of 16
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Re: No ranging response received - T3 time out

Try restarting your router first. Turn it off at the wall for a few minutes then turn it back on.

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leftsider
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Message 8 of 16
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Re: No ranging response received - T3 time out

I’ve restarted and factory reset around 60 times in the last few months. It usually buys me an hour or so of decent performance. The router has been reset this morning, and I don’t want to continue doing that. “Turn it off and turn it on again” is not a fix here

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jbrennand
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Message 9 of 16
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Re: No ranging response received - T3 time out

If you do it then the RS errors in down channel 1 should have reset to 0 - then if you check in there in every hour or so and they are reappearing.

Alternatively just log in every hour or so and see if they are increasing.... the post RS ones shouldnt be.

And then - only a Tech visit will sort it.

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
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leftsider
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Message 10 of 16
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Re: No ranging response received - T3 time out

As I said, the router was powered down for a few minutes this morning, so I’m not sure what repeating the exercise will achieve. It certainly has not achieved anything over the last few months.

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