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Samclay8
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Poor Upload Speeds

The last couple of weeks my speed performance has been terrible. Am I being rate limited? 

I am around the Cambridge area and currently paying for M350 Fibre Broadband. 

My download speed is fine, wired or wireless, often hitting 100-150MB on wireless devices.

My upload speed however is not, on wired or wireless devices. I am getting between 0.2 and 1.5MB upload speed, where advertised at around 20mb. This has only been an issue for the past 2 weeks. 

I currently have the hub in modem mode, using a ASUS RT-AC88U Wi-Fi AC3100 AI Mesh Dual-band Router. I have reset them both and still experiencing the slow speeds. 

I have also tried the virgin hub on it's own, to rule out any fault or issue with the ASUS RT-AC88U Wi-Fi AC3100 AI Mesh Dual-band Router and the upload speeds are still as poor. 

Does anyone else find that their connection speeds seem to conveniently perform worse when they are coming up to renewal... ? 

Any suggestions of anything I can try to do my end, or will this need to be fixed by Virgin?

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Andrew-G
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Re: Poor Upload Speeds

Sounds like a cable connection problem and most likely will require VM action.  Nothing major you can do (check that the cable connections are secure and any securing nuts are finger tight, and that's all).  If you feel inclined you could connect to the Hub, don't log in, but click on the link "Check router status", and that'll bring you to a page with five tabs.  If you copy and paste (as text, ideally formatted) here the contents of the three tabs respectively titled Downstream, Upstream and Network Log then somebody will take a look, and may be able to spot a probable cause.  We can't fix it, but if you have an inkling what the underlying problem is, I believe it makes the field technician's job easier.  

Suggest you also report this as a problem on VM's text response service 07533051809

I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media. Learn more

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jbrennand
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Re: Poor Upload Speeds

You in Watford by any chance?

https://www.ispreview.co.uk/index.php/2020/05/virgin-media-uk-fault-cuts-uploads-to-nearly-0mbps-in-...

--------------------
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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Samclay8
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Re: Poor Upload Speeds

Cambridge actually, did find another complaint with the exact same thing in the Cambridge area,

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Samclay8
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Re: Poor Upload Speeds

As suggested, here id the data from my router.

Status - 

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
299000000
Locked
Ranged Upstream Channel (Hz)
25800081
Locked
Provisioning State
Online

 

Downstream

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

1299000000-0.736256 qam21
21390000000.536256 qam1
31470000000.736256 qam2
41550000000.736256 qam3
51630000000.536256 qam4
61710000000.436256 qam5
7179000000036256 qam6
8187000000-0.236256 qam7
9195000000-0.537256 qam8
10203000000-0.736256 qam9
11211000000-136256 qam10
12219000000-1.436256 qam11
13227000000-1.736256 qam12
14235000000-1.536256 qam13
15243000000-1.736256 qam14
16251000000-1.737256 qam15
17259000000-1.536256 qam16
18267000000-1.437256 qam17
19275000000-1.737256 qam18
20283000000-1.737256 qam19
21291000000-1.537256 qam20
22307000000-0.237256 qam22
23315000000037256 qam23
243230000000.537256 qam24



Downstream bonded channels

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

1Locked36.644880
2Locked36.61470
3Locked36.61940
4Locked36.62310
5Locked36.62340
6Locked36.32780
7Locked36.63340
8Locked36.33980
9Locked37.34340
10Locked36.66250
11Locked36.68040
12Locked36.69790
13Locked36.312940
14Locked36.612160
15Locked36.614510
16Locked37.316260
17Locked36.619690
18Locked37.323740
19Locked37.328390
20Locked37.333610
21Locked37.336720
22Locked37.344590
23Locked37.345180
24Locked37.347110

 

Upstream

Upstream bonded channels

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

1258000814.55512064 qam4
2462000394.575512064 qam1
3394000004.55512064 qam2
4326001274.55512064 qam3



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA0000

 

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Samclay8
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Re: Poor Upload Speeds

As I couldn't post in one message due to character limitations...

Configuration

General Configuration

Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
cmreg-vmdg505-rtsxxl35016u-b.cm



Primary Downstream Service Flow

SFID56646
Max Traffic Rate402500089
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID56645
Max Traffic Rate38500089
Max Traffic Burst42600
Min Traffic Rate0
Max Concatenated Burst42600
Scheduling TypeBestEffort

 

Network Log

 

Network Log

Time Priority Description

09/05/2020 02:57:36criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/05/2020 20:18:31ErrorDHCP REBIND WARNING - Field invalid in response;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/05/2020 17:09:2ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
04/05/2020 02:09:15criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
03/05/2020 13:34:26ErrorDHCP REBIND WARNING - Field invalid in response;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
03/05/2020 02:05:29ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
02/05/2020 19:05:10criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
02/05/2020 14:36:35ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 02:20:55criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 02:18:56criticalNo Maintenance Broadcasts for Ranging opportunities received - T2 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 02:18:51Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 02:18:47criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 02:17:22criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 01:04:33criticalReceived 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;
29/04/2020 01:02:18Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 01:02:13criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 01:02:13Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/04/2020 01:02:13criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/04/2020 18:47:33Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/04/2020 18:47:33criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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