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mmcdougallvm
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Message 1 of 12
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70-120Mbps on M350

Hello,

We have the M350 package and at the moment are getting no more than the range in the subject line. 

I am using the Hub 3 in Modem mode and use a TP Link Archer AX20 as our home router.

I have tried the connection at different times of day as well as wired (Cat7 ethernet) and wireless and cannot seem to break the barrier of 120Mbps. 

Any help or suggestions would be welcome! 

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lotharmat
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Message 2 of 12
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Re: 70-120Mbps on M350

What happens if you take the archer out of the equation and connect direct to a laptop from the Hub (in modem mode or router mode)



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

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mmcdougallvm
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Message 3 of 12
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Re: 70-120Mbps on M350

Sorry should have specified in my first post, it is the same result with the hub as a router and a modem. We have had (albeit briefly) our full speed through the Archer router on a couple of occasions. 

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lotharmat
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Message 4 of 12
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Re: 70-120Mbps on M350

OK - That being the case:

Can you post your Hub status and logs?
Someone should be spot if there is a problem
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. The forum software will remove the MAC addresses for you (you may need to click the 'post' button again).

Also, set up a 'Broadband Quality Monitor'. This will 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!



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

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mmcdougallvm
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Re: 70-120Mbps on M350

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
539000000
Locked
Ranged Upstream Channel (Hz)
46200031
Locked
Provisioning State
Online

 

Downstream bonded channels

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

1539000000-3.735256 qam17
2411000000-335256 qam1
3419000000-3.435256 qam2
4427000000-335256 qam3
5435000000-3.235256 qam4
6443000000-3.535256 qam5
7451000000-2.735256 qam6
8459000000-335256 qam7
9467000000-2.935256 qam8
10475000000-335256 qam9
11483000000-3.535256 qam10
12491000000-3.235256 qam11
13499000000-3.535256 qam12
14507000000-3.535256 qam13
15515000000-3.735256 qam14
16523000000-3.535256 qam15
17531000000-3.735256 qam16
18547000000-435256 qam18
19555000000-4.235256 qam19
20563000000-4.535256 qam20
21571000000-3.935256 qam21
22579000000-3.935256 qam22
23587000000-4.535256 qam23
24595000000-3.936256 qam24



Downstream bonded channels

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

1Locked35.7143459
2Locked35.579320
3Locked35.563620
4Locked35.545630
5Locked35.540630
6Locked35.737070
7Locked35.729300
8Locked35.725180
9Locked35.726281
10Locked35.725830
11Locked35.728470
12Locked35.528590
13Locked35.728270
14Locked35.7250310
15Locked35.5205237
16Locked35.7163856
17Locked35.7165129
18Locked35.7126315
19Locked35.782979
20Locked35.596245
21Locked35.758171
22Locked35.751556
23Locked35.742375
24Locked36.629958

 

Upstream bonded channels

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

14620003143.8512064 qam3
22579997942.3512064 qam6
33260005143.8512064 qam5
43939999843.3512064 qam4



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA0000

 

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mmcdougallvm
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Message 6 of 12
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Re: 70-120Mbps on M350

General Configuration

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



Primary Downstream Service Flow

SFID8159
Max Traffic Rate402500089
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID9121
Max Traffic Rate38500089
Max Traffic Burst42600
Min Traffic Rate0
Max Concatenated Burst42600
Scheduling TypeBestEffort

 

Network Log

Time Priority Description

19/07/2021 02:11:18Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:18criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:18Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:18criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:18Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:10criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:8Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:8criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:7Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:7criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 02:11:7Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/07/2021 02:13:56criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/07/2021 00:43:20noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/07/2021 00:43:20ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
14/07/2021 12:43:20noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
14/07/2021 12:43:20ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
14/07/2021 11:58:3noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
14/07/2021 11:28:53noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
14/07/2021 11:28:53ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
14/07/2021 11:00:15noticeSW download Successful - Via Config file
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mmcdougallvm
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Message 7 of 12
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Re: 70-120Mbps on M350

Thanks for the responses so far, Hub info above and quality link below. 

https://www.thinkbroadband.com/broadband/monitoring/quality/share/30e828a56244055caa63ea1bee777175a0460c83

 

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jbrennand
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Message 8 of 12
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Re: 70-120Mbps on M350

Can you test speeds this way next...
_____________________________

As you expect >100Mbps then connect a 1GB enabled computer/laptop, with up to date drivers, via a NEW and working Cat5e (or better) ethernet cable, directly to the Hub which you have put into “modem mode” (https://www.virginmedia.com/help/virgin-media-hub-modem-mode ) - this ensures no other device can be connected. Test speeds at https://speedtest.samknows.com/ - try on 2 different browsers.

If they are still low – boot you device into windows safe+networking mode to disable any potentially interfering software - and try again.

There are many posts on here where QoS software (is you Asus running that?), unknown/flaky software, old network card drivers, corrupted browsers, bad cables or other connected devices are limiting speeds on tests.

Report back what that gets.

--------------------
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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legacy1
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Message 9 of 12
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Re: 70-120Mbps on M350

Likely downstream utilisation being QoS and thats the available bandwidth you can get.

---------------------------------------------------------------
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Richw1982
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Message 10 of 12
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Re: 70-120Mbps on M350

Have you got an attenuator fitted anywhere?  Your downstream levels seem a bit low for what your upstream levels are, also DS SNR is at 35 which isnt much higher than the 34 lower limit.  If there is a Forward path attenuator try removing it and make sure all connections are clean and tight

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