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Standard User ansam
(member) Thu 22-Feb-18 21:24:54
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Lost about 10MB


[link to this post]
 
I noticed over the course of the last few months I have lost around 10mb from my connection. I am not far from the cabinet (Huawei cabinet) its about 8 doors down and across the road from me and I always managed to get a decent 71mbps bit recently I only seem to be getting around 60 - 61mbps.

Just to add I switched back to BT today from TTB speeds are the same (although more consistant with BT so far)

Here are the stats from my VMG1312-B10A modem.

====================================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
G.Vector: Disable
Traffic Type: PTM Mode
Link Uptime: 0 day: 5 hours: 36 minutes
====================================================================================
VDSL Port Details Upstream Downstream
Line Rate: 20.033 Mbps 67.958 Mbps
Actual Net Data Rate: 20.000 Mbps 67.851 Mbps
Trellis Coding: ON ON
SNR Margin: 10.6 dB 6.3 dB
Actual Delay: 0 ms 0 ms
Transmit Power: 2.2 dBm 12.4 dBm
Receive Power: -15.9 dBm -1.0 dBm
Actual INP: 0.0 symbols 0.0 symbols
Total Attenuation: 0.0 dB 12.5 dB
Attainable Net Data Rate: 27.575 Mbps 67.898 Mbps
====================================================================================
VDSL Band Status U0 U1 U2 U3 U4 D1 D2 D3
Line Attenuation(dB): 5.6 15.3 22.2 N/A N/A 7.9 16.9 26.0
Signal Attenuation(dB): 5.6 14.8 21.5 N/A N/A 10.1 16.7 26.0
SNR Margin(dB): 10.8 10.6 10.6 N/A N/A 6.3 6.3 6.3
TX Power(dBm): -12.9 -28.4 1.9 N/A N/A 8.2 7.7 7.1
====================================================================================

VDSL Counters

Downstream Upstream
Since Link time = 36 min 27 sec
FEC: 0 0
CRC: 150 95
ES: 118 86
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 15 minutes time = 12 min 38 sec
FEC: 0 0
CRC: 3 3
ES: 3 3
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 0 0
CRC: 6 3
ES: 6 3
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 6 hours 42 min 38 sec
FEC: 0 0
CRC: 150 95
ES: 129 90
SES: 10 0
UAS: 40 30
LOS: 1 0
LOF: 8 0
LOM: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 0 0
CRC: 0 0
ES: 5 239
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Total time = 1 days 6 hours 42 min 38 sec
FEC: 0 0
CRC: 150 95
ES: 196 3327
SES: 10 0
UAS: 73 63
LOS: 1 0
LOF: 8 0
LOM: 0 0
====================================================================================

Connection - BT Infinity 2.
My Broadband Ping
Standard User Zarjaz
(eat-sleep-adslguide) Thu 22-Feb-18 21:49:29
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Re: Lost about 10MB


[re: ansam] [link to this post]
 
That attenuation figure seems to imply you are further than you suggest from the DSLAM.....

Still not good though, is the line quiet and crackle free ? Can you describe what’s connected how in your property please ?

Standard User ansam
(member) Thu 22-Feb-18 22:03:29
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Re: Lost about 10MB


[re: Zarjaz] [link to this post]
 
I will check the quiet line test.

The Zyxel is connected to the master socket and is in bridge mode connected to a Ubiquiti USG. Everything is wired to a 16 port Ubiquiti switch and house is cabled with Cat 6. There is also an extension downstairs (fitted by openreach and was the original master socket).

Posted a map of where I am in in relation to the cabinet.

Cabinet MAP

Connection - BT Infinity 2.
My Broadband Ping


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Standard User ukhardy07
(knowledge is power) Thu 22-Feb-18 22:31:26
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Re: Lost about 10MB


[re: ansam] [link to this post]
 
To confirm openreach made an extension the master?
Standard User RobertoS
(elder) Thu 22-Feb-18 22:38:29
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Re: Lost about 10MB


[re: ukhardy07] [link to this post]
 
More specifically, swapped the extension and master?

If they did, depending how they did it that swap may be far from ideal for FTTC.

That said, new crosstalk seems the most likely problem.

My broadband basic info/help site - www.robertos.me.uk. Domains, site and mail hosting - Tsohost.
Connection - AAISP Home::1 80/20. 200GB. Sync 75808/13984Kbps @ 600m. BQMs - IPv4 & IPv6

Edited by RobertoS (Thu 22-Feb-18 22:39:23)

Standard User ansam
(member) Thu 22-Feb-18 22:42:26
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Re: Lost about 10MB


[re: ukhardy07] [link to this post]
 
Perhaps extension is not the correct word.

So about 2yrs ago we only had the master socket downstairs and I had the opportunity to ask the Openreach engineer if we could have the master socket upstairs instead. So he proceeded and all he said was ok your master socket is upstairs now and you can still use the box downstairs for your phone.

Connection - BT Infinity 2.
My Broadband Ping
Standard User ukhardy07
(knowledge is power) Thu 22-Feb-18 22:44:18
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Re: Lost about 10MB


[re: ansam] [link to this post]
 
Hmmm, if you remove the faceplate on your master, does the second socket stop working (the one he said you can use for the phone)?

https://bt.custhelp.com/rnt/rnw/img/enduser/fibreend...
Standard User ansam
(member) Thu 22-Feb-18 23:14:55
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Re: Lost about 10MB


[re: ukhardy07] [link to this post]
 
Yes removing that from the upstairs master the downstairs socket stops working.

Connection - BT Infinity 2.
My Broadband Ping
Standard User RobertoS
(elder) Thu 22-Feb-18 23:26:24
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Re: Lost about 10MB


[re: ansam] [link to this post]
 
Good.

My broadband basic info/help site - www.robertos.me.uk. Domains, site and mail hosting - Tsohost.
Connection - AAISP Home::1 80/20. 200GB. Sync 75808/13984Kbps @ 600m. BQMs - IPv4 & IPv6
Standard User ansam
(member) Thu 22-Feb-18 23:49:27
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Re: Lost about 10MB


[re: RobertoS] [link to this post]
 
I do think cross talk may be the explanation as the cabinet has recently had an extension added to it so its getting full. So I am guess with more lines enable the higher the changes of Crosstalk.

Guess there is nothing I can do for now but wait an see what happens.

63mb isn't as bad KFC with no chicken!! (only joking)

Connection - BT Infinity 2.
My Broadband Ping
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