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dehorridge
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Very slow upload speeds of 0.03 Mbps

Hi, I'm currently getting great download speeds, over 85Mbps, however my upload speed is basically nothing. Has been all day today. Makes video calls impossible. Any ideas or suggestions? and yes I have reset everything you can think of.

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MikeRobbo
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Alessandro Volta
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Re: Very slow upload speeds of 0.03 Mbps

Can you please

Type 192.168.0.1 (192.168.100.1 in Modem mode) into your browser URL bar and press enter. 

Hub 2 & 3 When the page appears DO NOT LOG IN but click ‘Check Router Status’.

Hub 4 When the page appears LOG IN then Advanced Settings > Tools > Network Status.

Copy and paste the contents of the Downstream, Upstream, Configuration and Network Log tabs onto here, if you get a yellow / straw box warning click the Post button again. Use one post for each tab if you wish.

Please do not use screen grabs.

A Guru will be along soon to decipher the info.


*********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
BT Smart Hub 2 with 70Mbs Download,18Mbs Upload, 9.17ms Latency & 0.35ms Jitter.
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MikeRobbo
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Alessandro Volta
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Re: Very slow upload speeds of 0.03 Mbps

What speeds do you get at >> speedtest.net << with a direct connection using a Cat 5E or better ethernet cable between the Hub in Router Mode and a 1Gbs capable Pc/Mac/Chromebook and no other devices connected ?

then 

Can you Login to the Hub Settings and navigate to the Connected Devices page - what is the reported 'connection speed’ for the ethernet cable connected device you used for the speed test ?


*********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
BT Smart Hub 2 with 70Mbs Download,18Mbs Upload, 9.17ms Latency & 0.35ms Jitter.
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dehorridge
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Re: Very slow upload speeds of 0.03 Mbps

Its a pain to get any external sites, but when I do I read around 80 Mbps down and 0.02 Mbps up. I use my virgin hub as a modem and my own Archer C1200. My home network through put is fine since I get great transfer speeds to my home NAS through the router. My iperf testing showed around 802 Mbps across my home network so I've no doubt the problem is external. I will post the modem data in just a moment.
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dehorridge
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Re: Very slow upload speeds of 0.03 Mbps

Downstream:

Downstream bonded channels

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

1235000000-2.432256 qam13
2243000000-2.535256 qam14
3251000000-2.736256 qam15
4259000000-2.536256 qam16
5267000000-2.736256 qam17
6275000000-2.236256 qam18
7283000000-2.236256 qam19
8291000000-1.736256 qam20
9299000000-1.736256 qam21
10307000000-1.936256 qam22
11315000000-2.236256 qam23
12323000000-2.536256 qam24
13331000000-2.236256 qam25
14339000000-1.535256 qam26
15347000000-136256 qam27
16355000000-0.236256 qam28
173630000000.237256 qam29
18371000000137256 qam30
193790000001.237256 qam31
203870000000.937256 qam32
21395000000137256 qam34
224030000000.537256 qam35
234110000000.437256 qam36
24419000000-0.237256 qam37



Downstream bonded channels

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

1Locked32.92907520
2Locked35.71230
3Locked36.3970
4Locked36.6570
5Locked36.3460
6Locked36.3310
7Locked36.31130
8Locked36.32490
9Locked36.61470
10Locked36.61040
11Locked36.6780
12Locked36.31610
13Locked36.62781
14Locked35.72420
15Locked36.31490
16Locked36.6650
17Locked37.3210
18Locked37.6260
19Locked37.360
20Locked37.3120
21Locked37.31180
22Locked37.3390
23Locked37.3310
24Locked37.3700
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dehorridge
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Re: Very slow upload speeds of 0.03 Mbps

Upstream bonded channels

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

14619909845.5512016 qam3
23939983047.3512016 qam4
35369936745.5512016 qam2
46029938345512016 qam1



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0020
2ATDMA00120
3ATDMA001980
4ATDMA00650
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dehorridge
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Re: Very slow upload speeds of 0.03 Mbps

General Configuration

Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
cmreg-vmdg505-bbt057-b.cm



Primary Downstream Service Flow

SFID144360
Max Traffic Rate117000047
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID144359
Max Traffic Rate10500047
Max Traffic Burst16320
Min Traffic Rate0
Max Concatenated Burst16320
Scheduling TypeBestEffort
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dehorridge
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Re: Very slow upload speeds of 0.03 Mbps

Network Log

Time Priority Description

01/01/1970 00:03:30criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:02:52criticalDHCP FAILED - Discover sent, no offer received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 08:10:15criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 08:09:26criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 08:09:26criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 06:07:53criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 06:07:29criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 06:07:29criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 06:03:2criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 06:02:38criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 06:02:38criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 03:54:44criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 03:53:56criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 03:53:56criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 03:50:27criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 03:49:39criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 03:49:39criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 00:53:6criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 00:52:42criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 00:52:42criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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MikeRobbo
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Alessandro Volta
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Message 9 of 9
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Re: Very slow upload speeds of 0.03 Mbps


@dehorridge wrote:

Downstream:

Downstream bonded channels

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

1235000000-2.432256 qam13
2243000000-2.535256 qam14
3251000000-2.736256 qam15
4259000000-2.536256 qam16
5267000000-2.736256 qam17
6275000000-2.236256 qam18
7283000000-2.236256 qam19
8291000000-1.736256 qam20
9299000000-1.736256 qam21
10307000000-1.936256 qam22
11315000000-2.236256 qam23
12323000000-2.536256 qam24
13331000000-2.236256 qam25
14339000000-1.535256 qam26
15347000000-136256 qam27
16355000000-0.236256 qam28
173630000000.237256 qam29
18371000000137256 qam30
193790000001.237256 qam31
203870000000.937256 qam32
21395000000137256 qam34
224030000000.537256 qam35
234110000000.437256 qam36
24419000000-0.237256 qam37


Downstream bonded channels

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

1Locked32.92907520
2Locked35.71230
3Locked36.3970
4Locked36.6570
5Locked36.3460
6Locked36.3310
7Locked36.31130
8Locked36.32490
9Locked36.61470
10Locked36.61040
11Locked36.6780
12Locked36.31610
13Locked36.62781
14Locked35.72420
15Locked36.31490
16Locked36.6650
17Locked37.3210
18Locked37.6260
19Locked37.360
20Locked37.3120
21Locked37.31180
22Locked37.3390
23Locked37.3310
24Locked37.3700


@dehorridge wrote:

Upstream bonded channels

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

14619909845.5512016 qam3
23939983047.3512016 qam4
35369936745.5512016 qam2
46029938345512016 qam1


Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0020
2ATDMA00120
3ATDMA001980
4ATDMA00650

The SNR on Downstream Channel 1 is too low, this is probably the reason for the high number of Pre RS Errors on that Channel.

Your Upstream Modulations are all at 16 QAM, they should be at 64 QAM, this may be responsible for the large number of T3 Timeouts.

This will need an engineer to put right.

You can either call in (08:00 is the best time) or wait on here for a few days (6 to 7 days average) until one of the VM Forum Staff comes along.

If you wait on here Do Not bump the thread it will put it further down the VM 'to do list'.


*********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
BT Smart Hub 2 with 70Mbs Download,18Mbs Upload, 9.17ms Latency & 0.35ms Jitter.
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