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Daily Network Dropout's

mburke78
On our wavelength

I have had daily dropouts for a couple of months now and poor wifi for years.  The wifi is truly awful and coverage is poor in a normal 3 bedroom house that doesn't have thick walls.  The issues I have had recently is dropout's and this is both through Wifi and Ethernet.  Checking the router I get the below (I have removed the MAC address).  I get daily dropouts and sometimes several on one day.  Checked and it says there are no issues either on my line or the local area and I have rebooted the router.  Any help much appreciated.

Network Log

Time Priority Description

19/06/2021 09:08:27noticeLAN login Success;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:39criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
18/06/2021 18:59:29noticeLAN login Success;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:40criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
13/06/2021 06:50:48ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
11/06/2021 01:08:16criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
10/06/2021 14:12:2ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:39criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
05/06/2021 10:29:33ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:40criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
29/05/2021 19:46:51Warning!LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:39criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
29/05/2021 19:40:37noticeLAN login Success;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
29/05/2021 00:45:9criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
28/05/2021 19:26:6ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
25/05/2021 20:46:57criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
25/05/2021 07:26:6ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
25/05/2021 01:01:54Warning!RCS Partial Service;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
22/05/2021 10:56:58criticalNo Ranging Response received - T3 time-out;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
21/05/2021 19:26:6ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=XXXXXXXXXXXXX;CMTS-MAC=XXXXXXXXXXXXX;CM-QOS=1.1;CM-VER=3.0;
1 ACCEPTED SOLUTION

Accepted Solutions

Paulina_Z
Forum Team (Retired)
Forum Team (Retired)

Hi @mburke78,

 

Thank you for getting back to us about this issue, and I'm sorry to hear that this has been your experience with the technician visit. 

 

After looking into your account, I can see that an area outage has been raised. This is scheduled to be finished at 6pm on 02/07/21.

 

Please keep an eye on your connection and reboot your equipment around the time that the outage is set to be resolved. This can help clear any issues on the line. Hopefully this outage can resolve your ongoing issues.

 

Please keep us updated on your connection later on in the day, so we can run some further tests.

 

Thanks,

Paulina_Z
Forum Team

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50 REPLIES 50

Andrew-G
Alessandro Volta

Despite how it may appear from all the "critical" and "warning" messages, there's nothing obviously amiss with the network log.  Can you post up the content of the two tabs titled Downstream and Upstream that you'll find in the same place as the network log?

mburke78
On our wavelength
There is nothing showing on the logs as I don't think they cover the time it went down. Next time it happens I will logon to the router and post the logs.

What I'm after is the tables of numbers for Downstream and Upstream.  Those show things like power levels, SNR, frequencies, error counts.

Connect to the hub by clicking on this link http://192.168.0.1/  or type the link in to your browser.  That should pull up the log in page for the hub.  But don't log in, just click on the link "Check router status"  That'll bring up a window with five tabs.  Open the Downstream tab.  Select all the text (Ctrl-A if using a keyboard), copy it (Ctrl-C), then paste it (Ctrl-V) into a reply here as TEXT not screenshots.  Post that, do the same for the Upstream.

Then we can check for any obvious problems with power, noise or error counts.

mburke78
On our wavelength

Downstream bonded channels

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

12030000005.338256 qam9
2211000000538256 qam10
32190000004.938256 qam11
4227000000538256 qam12
5235000000538256 qam13
6243000000538256 qam14
7251000000538256 qam15
8259000000538256 qam16
92670000005.538256 qam17
102750000005.538256 qam18
112830000005.538256 qam19
122910000005.138256 qam20
132990000005.338256 qam21
143070000005.538256 qam22
153150000005.638256 qam23
163230000005.638256 qam24
173310000005.138256 qam25
183390000004.838256 qam26
193470000004.838256 qam27
20355000000538256 qam28
213630000004.938256 qam29
223710000004.338256 qam30
233790000003.738256 qam31
243870000003.738256 qam32



Downstream bonded channels

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

1Locked38.6160
2Locked38.660
3Locked38.690
4Locked38.6120
5Locked38.680
6Locked38.670
7Locked38.690
8Locked38.650
9Locked38.670
10Locked38.670
11Locked38.950
12Locked38.670
13Locked38.970
14Locked38.9210
15Locked38.9220
16Locked38.6280
17Locked38.690
18Locked38.670
19Locked38.6160
20Locked38.990
21Locked38.970
22Locked38.6110
23Locked38.6120
24Locked38.630

 

Upstream bonded channels

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

15370000036512064 qam2
23940000035.3512064 qam4
34620000035.5512064 qam3
43260000035.5512064 qam5



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA0000

Unfortunately I can't spot anything in the latest data.  Upstream power is at the lower end of the acceptable range, but in theory should be OK.  

I suggest you setup a BQM over at https://www.thinkbroadband.com/broadband/monitoring/quality that might show a little more of what's going on with your VM connection.  Post a LINK to a LIVE, SHARED graph here and we'll see what's happening.  Usually needs to run for 24 hours before we can draw reasonable conclusions, but the live graph will continuously update so you can post the link immediately.

Hi @mburke78

 

Thanks for posting on our community forum!

 

The hub is currently showing offline on my side, could you give it a reboot and let me know once done so I can review this please?

 

Regards

Travis_M
Forum Team

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mburke78
On our wavelength

@Travis_M hi I didn't notice my connection dropping but might of been on a work break.  It is back working now as I'm typing this to you.  These are the readings from the router.

 
Downstream bonded channelsChannel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1203000000537256 qam9
22110000004.838256 qam10
32190000004.538256 qam11
42270000004.638256 qam12
52350000004.838256 qam13
62430000004.638256 qam14
72510000004.638256 qam15
82590000004.838256 qam16
9267000000538256 qam17
102750000005.138256 qam18
11283000000538256 qam19
122910000004.938256 qam20
13299000000538256 qam21
143070000005.138256 qam22
153150000005.438256 qam23
163230000005.438256 qam24
17331000000538256 qam25
183390000004.538256 qam26
193470000004.538256 qam27
203550000004.838256 qam28
213630000004.538256 qam29
22371000000438256 qam30
233790000003.538256 qam31
243870000003.538256 qam32


Downstream bonded channelsChannel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1Locked37.61120
2Locked38.6420
3Locked38.6300
4Locked38.9400
5Locked38.6260
6Locked38.6400
7Locked38.9510
8Locked38.6460
9Locked38.9360
10Locked38.6400
11Locked38.6240
12Locked38.6360
13Locked38.6460
14Locked38.9480
15Locked38.6570
16Locked38.65612
17Locked38.6480
18Locked38.9310
19Locked38.6750
20Locked38.9280
21Locked38.6540
22Locked38.6510
23Locked38.6520
24Locked38.6430

 

Upstream bonded channelsChannel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
15370000035.5512064 qam2
23940000035512064 qam4
34620000035.3512064 qam3
43260000035512064 qam5



Upstream bonded channelsChannel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1ATDMA0020
2ATDMA0000
3ATDMA0010
4ATDMA0000

Have you managed to reboot the hub for me? @mburke78

 

Regards

Travis_M
Forum Team

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mburke78
On our wavelength

@Travis_M just done it now.  Should be back up in a few minutes 😊