internet kept dropping

[lancellot]

Hi all,

it seems, my internet seem to drop randomly. Yesterday (7th Sep) after 6pm access to internet drop till today 8th 7:30am. During the drop, sometimes I was able to log in to the router and sometimes the router didn't even release an IP. At this very moment, my VPN must have dropped/reconnect about 5x times.

I see the following on the log file:

08/09/2021 06:31:25	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:20:45	critical	No Ranging Response received - T3 time-out;CM-MAC= 3;CMTS-MAC= 3;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:20:13	critical	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC= 3;CMTS-MAC= 3;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:16:51	critical	No Ranging Response received - T3 time-out;CM-MAC= 3;CMTS-MAC= 3;CM-QOS=1.1;CM-VER=3.0;

[lotharmat]

Post up the rest of the hub stats as text thus:

Navigate to http://192.168.0.1 (or http://192.168.100.1 - if in modem mode)
Don't log in!
Click on 'router status'
Copy/paste the data from each of the tabs into a 'REPLY' as opposed to 'QUICK REPLY'. The forum software will remove the MAC addresses for you (you will likely need to click the 'post' button again).

[lancellot]

Hi Wise Owl
thank you for the quick response.
See below please
==============
Stats
Acquired Downstream Channel (Hz)
395000000

Locked
Ranged Upstream Channel (Hz)
46200075

Locked
Provisioning State
Online
=================
Down Stream
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 395000000 5.8 40 256 qam 33
2 219000000 6.8 40 256 qam 11
3 227000000 6.4 38 256 qam 12
4 235000000 6.3 38 256 qam 13
5 243000000 5.9 40 256 qam 14
6 251000000 5.8 40 256 qam 15
7 259000000 5.5 40 256 qam 16
8 267000000 5.5 40 256 qam 17
9 275000000 5.5 40 256 qam 18
10 283000000 5.5 40 256 qam 19
11 291000000 6 40 256 qam 20
12 299000000 6.4 40 256 qam 21
13 307000000 6.4 40 256 qam 22
14 315000000 6.6 40 256 qam 23
15 323000000 6.5 40 256 qam 24
16 331000000 6.9 40 256 qam 25
17 339000000 6.9 40 256 qam 26
18 347000000 6.9 40 256 qam 27
19 355000000 6.9 40 256 qam 28
20 363000000 6.5 40 256 qam 29
21 371000000 6.5 40 256 qam 30
22 379000000 6.4 40 256 qam 31
23 387000000 6 40 256 qam 32
24 403000000 5.5 40 256 qam 34


Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 40.3 5 0
2 Locked 40.3 6 0
3 Locked 38.6 5 0
4 Locked 38.9 4 0
5 Locked 40.3 0 0
6 Locked 40.3 4 0
7 Locked 40.9 5 0
8 Locked 40.3 5 0
9 Locked 40.9 5 0
10 Locked 40.3 6 0
11 Locked 40.3 5 0
12 Locked 40.9 7 0
13 Locked 40.9 5 0
14 Locked 40.3 6 0
15 Locked 40.3 10 0
16 Locked 40.3 18 0
17 Locked 40.9 18 0
18 Locked 40.3 19 0
19 Locked 40.9 19 0
20 Locked 40.9 6 0
21 Locked 40.9 3 0
22 Locked 40.3 6 0
23 Locked 40.3 5 0
24 Locked 40.3 0 0
=====================
Upstream

Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 46200075 36.3 5120 64 qam 3
2 39399957 34.8 5120 64 qam 4
3 53699991 36.3 5120 64 qam 2
4 60300019 37.5 5120 64 qam 1


Upstream bonded channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 ATDMA 0 0 2 0
2 ATDMA 0 0 0 0
3 ATDMA 0 0 0 0
4 ATDMA 0 0 0 0
========================
Config

General Configuration
Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
3254k;fg87dsfd;kfoA,.iyew


Primary Downstream Service Flow
SFID 566
Max Traffic Rate 117000047
Max Traffic Burst 42600
Min Traffic Rate 0


Primary Upstream Service Flow
SFID 565
Max Traffic Rate 10500047
Max Traffic Burst 16320
Min Traffic Rate 0
Max Concatenated Burst 16320
Scheduling Type BestEffort
=======================
Log
Network Log
Time Priority Description
08/09/2021 06:31:25 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:20:45 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:20:13 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:16:51 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:12:28 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:09:6 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:08:36 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:05:14 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:04:42 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:01:25 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 06:00:54 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:57:37 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:53:18 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:50:0 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:49:28 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:46:7 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:45:35 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:42:17 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:37:58 critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/09/2021 05:34:36 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

[lotharmat]

Apart from a couple of T3 timeouts - all those stats look perfect!

It'll be interesting to see if a BQM shows anything:

You can set up a 'Broadband Quality Monitor' to monitor the state of your connection and record any network dropouts etc - You can do this at ThinkBroadband (https://www.thinkbroadband.com/broadband/monitoring/quality)
Give it a while to gather data and then click 'Share Live graph' and paste the 'Direct Link' into the forum!

[lancellot]

will do, thanks

[lancellot]

Hi Wise owl,

I have fixed the issue, nothing to do with the router, was my laptop. Just remove the wireless net card and reboot.

All working now. Apologies for the trouble. and thx in advanced for the help

[lotharmat]

No problemo! - Glad it's all working!