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New estate my row of four s/detached houses were all wired up the same day to the same hole in the ground. On Infinity2 my neighbour gets 68+Mbps Down and 18+Mbps Up. When I tried to go to infinity 2 my line tested at 50Mbps and was deemed to be maxed out. I created quite a prolific thread on here �Disasterous Migration� and the consensus said that for 800metres 50Mbps was about right (this was all prior to the �fibre Boost�).
I can only assume that by some stroke of luck, my immediate neighbour must have a much shorter path than me to the cabinet as I get 45Mbps Down and 9Mbps Up  I ended up backing off to Infinity 1 as there was little point in paying more for infinity 2. Luck of the draw eh?
[By the way Ethernet 1 metre into BT HHub 6 line into latest BT master socket]
Jamie
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Post deleted by seb
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I would say that those getting 76Mpbs are the very lucky ones especially at 800m. I would normally expect max sync at up to about 400m and from there, speeds to drop off down to about 65 to 70 at 500m. So, even you 50Mbps at 800m is a lot better than "normal".
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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Register (or login) on our website and you will not see this ad.
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At 600m actual cable route my connection is around 48/14 and the cable quality seems to be reasonably good.
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When you say you've "checked" do you mean you've actually seen live connections at their properties and that is what they are actually getting or do you mean you've looked on the online checker? If it is the latter it may well be their records that are wrong.
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Agreed we need to know what this checking is...
If the posters original checkers figures were high and came down as soon they went live, i.e. feedback into system then its likely the same will happen to other people.
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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I'd be very surprised if your neighbour gets 76Mb at 800m from the cabinet.
That's full sync. Many can't get that at half the distance.
Sounds like your neighbour is quoting their package speed.
Can you post the estimates from the BTw Broadband Availability Checker
Also, where are you getting the figures for your line? From the modem stats or from a speed test?
Can I get something done about it
It depends.
If you are below the estimates then maybe.
If you are within the estimates for your line then no.
Just because your neighbours get higher speeds doesn't mean you can.
Crosstalk is a random lottery. Interference from a neighbouring line can take as much as (maybe even more) 20Mb off your current sync speed.
Different modems can perform better than others. Different DSL patch cables perform better than others.
A new DSL patch cable gave me a 4Mb increase in sync. Swapping modems has got me another 4-5Mb.
DLM can also play a huge part in sync speed.
If you are a new line on a Huawei cabinet then your line is likely interleaved. This takes roughly 10% off your sync.
If that's the case, by the time DLM applies G.INP and reduces the target SNRM to 3dB your sync could climb from 45Mb to about 60-65Mb.
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The horse**** is true. But speed depends as much on three other aspects as it does distance: The gauge of the copper (ie thickness), the crosstalk (interference from adjacent pairs), and DLM intervention (protection from bit errors).
That your neighbours get much better than 50Mbps at 800m is not an indication that the "normal" result is horse****, but more likely that your circumstances are not normal, and you perhaps are on a thicker version of copper for at least some of the length. Perhaps all of you, perhaps not. It happens, fair or not.
The 2nd impediment is down to crosstalk, which can explain drops in speed of as much as 50% of the theoretical. It is also hard to predict, and can regularly result in a 20%+ difference in speeds for the same distance. It largely depends on which pairs are adjacent to yours on the cable(s) back to the cabinet, and whether they have subscribed to FTTC, fair or not.
In addition, once a line becomes susceptible to errors (caused either from crosstalk, or from external sources, or a fault), then it also runs the risk of DLM intervention, which can take another 10-15%. This one usually feels unfair.
There's a lot more that could be explained on the topic, but isn't worth the time and effort if it is to be labelled horse**** by someone who knows jack****.
Can you get something done? In a nutshell: You can get someone to attend if your speed is below the handback threshold. If they can't fix it, then you can leave your ISP.
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The 76 and 66 Mbps were verbal a 71.8 was DSLChecker my immediate attached neighbour sent me a Speedchecker test result [don't know how accurate that test would be compared to TB's]
Ping 10ms
Download 69.84Mbps
Upload 18.44Mbps
BT
WiFi Network
I could probably get a copy of their HomeHub stats, however in my frustration I seem to have [censored] off several people on here for which I apologise and TBH I only know what I am told and with your feedback I don't think we can be that far away from the Cab but I was told that by OR March/April last year
[ps is there a way to attach screen grabs to posts please?]
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My immediate (attached) neighbour ran a "Speedchecker" app test yesterday and I've just posted the actual numbers a few minutes ago
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ps is there a way to attach screen grabs to posts please?
No, upload it to something like https://imgbb.com/ and post the link.
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The availability checker for my line gives
VDSL Range A (Clean) 61.1 44 13.4 8.5 39.8 Available -- --
VDSL Range B (Impacted) 50.9 32.4 12 6 26.8 Available -- --
Modem status
Downstream sync speed:
49.00 Mbps
Upstream sync speed:
10.00 Mbps
Tech Log
Data rate:
10.00 Mbps / 49.00 Mbps
Maximum data rate:
13175 / 63585
Noise margin:
8.1 dB / 10.4 dB
Line attenuation:
20.4 dB
Signal attenuation:
VPI / VCI:
0/38
Modulation:
G_993_2_ANNEX_B
Latency type:
Fast Path
Data sent / received:
144192 MB Uploaded / 11548 MB Downloaded
Broadband username:
[email protected]
BT Wi-fi:
Active
2.4 GHz wireless network name:
BTHub6-xxxx
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Without knowing what speed checker app was used hard to say, if its the ookla/speedtest.net one then happy enough to say that shows that 69 Mbps is a real speed.
Does this prove you should be able to get the same speeds?
NO
Issues...
1. Lines are not all created equal they may be lucky and on thicker copper with less joints than you
2. Routing can be different for two different houses even if going to the same cabinet
3. They may actually be connected to a different cabinet
4. Their broadband hardware may be working well with things like low target noise margin and G.INP which can boost speeds and yours might be stuck in interleave mode
5. If on two different providers, it maybe you are on a stable DLM profile whereas they are on the speed one, which affects how the DLM behaves and is set by the retailer when they order the service and they usually use the same profile for all their customers.
6. How certain are you that the cabinet is actually 800m away and not say 400m
Can you get it fixed?
If the speeds falls below the fault threshold then they might look at a fix, but more often at these sort of speeds they will look at the 800m and 50 Mbps and simply say no fault, and even if below fault threshold the ultimate remedy is to let you walk from the contract.
In short many variables and with no location information to go on, very difficult to say a lot, and people can be a little short as the Internet has a long history of people claiming and insisting various things and one day they slip up and the veil slips and reality appears. So past behaviour of others leads to people being naturally sceptical.
Or put another way, connection speeds above 70 Mbps on 800 metres of copper is approaching a record for VDSL2
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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So sync is inside the clean A range, so provider unlikely to entertain any visits to repair anything.
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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Note I have apologised for this reference
I maintain I was fobbed off last year
I certainly know "jack****" about this stuff (but could teach you a 5 day class on the internals, Performance Tuning and debugging of Transaction Server Computing and Low-Latency Messaging)
however in this case you hit the nail on the head
why else would I be asking experts in their field?
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Line is synced at 49Mb
Should be nearer 63Mb
With the high SNR (noise margin, should be 6dB) it's likely your line has been banded/capped by DLM.
Nothing you can do about that.
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So, your neighbour tests at 69 Mbps, your Max is 65Mbps. Is there much difference? Not really.
Depending on which speedchecker he used that could be reading high - for example I have tests that show over 79Mbps with an 80Mbps sync - that is around 4Mbps higher than it should be.
You need to find out why your sync is 49.00/10.00 with a 10dB SNR. It looks as though your line has been banded, have you been disconnecting and resyncing too often? If you can clear that, I would expect your sync to rise to 65 and actual speeds of around 62,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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Thanks hope this works
https://ibb.co/j7spZ6
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"have you been disconnecting and resyncing too often?"
not to my knowledge..
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Neighbour asked twice what package and confirmed Infinity 1 ?
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Neighbour asked twice what package and confirmed Infinity 1 ? Possibly, some Infinity 1 users report speed boosts to 80Mbps.
Just testing with the speedchecker app, it's giving me wildly inaccurate speedtests so I do not trust it.
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Never use WiFi for speedchecks - they can both over report and under report and should only be considered to be a rough estimate and enough to demonstrate the WiFi link and DSL connection are working at about the right speed. If you want an accurate measure always run it from a Wired connection.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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Agree but I can�t dictate that to a neighbour who is just trying to help.
I�ll see if I can get her homehub tech data to compare with mine..
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It's not really necessary.
We've already got to the bottom of the differences in speed.
Your line has been artificially capped/banded by DLM.
This usually happens when a line resyncs too many times in a short time period.
If your line wasn't capped you would be connecting at roughly 63Mb.
The only way to have this removed immediately is by a DLM reset performed by a visiting OpenReach engineer.
Your ISP is very unlikely to arrange this as your line is well within its estimates. Trying to explain banding to the likes of BT is like pushing treacle anyway.
It (the banding/cap) should remove itself eventually. Unfortunately reports of banding sticking for months/years are becoming more frequent.
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Having written the test at https://www.thinkbroadband.com/speedtest and over the years doing numerous comparisons with other checkers, the one used by the neighbour is one of the ones that can over report by a significant margin i.e. outside the margin you can realistically expect and thus is why Ofcom is so negative about crowd sourced speed test results.
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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Thanks to you and others here regarding this banding. I don't know about frequent resyncs but I do know I was left in this position last April and just lived with it. However when you find out what your neighbour gets it resurrects old sores.
The OR engineer (not the first underground guy who came) last year told me 50 was all I would get (this was a migration from Infinity 1 to 2) this is where the distance got raised as the sole reason...
IIRC the DLM brought the speed down almost as we looked and it stuck at 50.But that's a long time ago and no boost has occurred.
Regarding leaving BT and going elsewhere (even if I could) probably wouldn't solve my problem just as an 80/20 service from Entanet last year failed to get past 50 anyway
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Regarding "It's not really necessary.
We've already got to the bottom of the differences in speed."
True but the line length I was told was very probably wrong by some considerable margin.
This is the Technical Log from my attached neighbours line. And according to Andrew this is either verging on a world record or we are more likely 400 metres. If I were to walk across gardens to Cab 12 Somerton Road, Langport iwould probably cover 200 yrds.
Product name: BT Hub 6A
Serial number: +084316+NQ62127766
Firmware version: SG4B1000B522
Firmware updated: 15-Jan-2018
Board version: 1.0
Gui version: 1.64.0
DSL uptime: 2 Days, 11 Hours 11 Minutes 42 Seconds
Data rate: 17.34 Mbps / 78.19 Mbps
Maximum data rate: 17282 / 79839
Noise margin: 5.9 dB / 3.1 dB
Line attenuation: 20.1 dB
Signal attenuation:
VPI / VCI: 0/38
Modulation: G_993_2_ANNEX_B
Latency type: Fast Path
Data sent / received: 479 MB Uploaded / 3435 MB Downloaded
Broadband username: [email protected]
BT Wi-fi: Active
2.4 GHz wireless network name: BTHub6-TSQW
2.4 GHz wireless channel: Smart (Channel 1)
5 GHz wireless network name: BTHub6-TSQW
5 GHz wireless channel: Smart (Channel 36)
Wireless security: WPA2 (Recommended)
Wireless mode: Mode 1
Firewall: On
MAC address: 90:4D:4A:1A:64:11
Software variant: -
Boot loader: 7.33.1
Admittedly this has measured very little data but hey I can't do anything about that.
Cheers
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Is your attenuation 20.4 dB?
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At around 1200m from cabinet TA10 0QH range 4 to 19
At around 600m from cabinet TA10 9SE 18 to 40
At around 250m from cabinet TA10 9TS 54 to 80
At around 20m from cabinet TA10 9SQ 71 to 80
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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Your line is capped, with 10db noise margin, whereas the standard is 6db. So your line is either dropping out, or you are often rebooting, or you have the router close to a bunch of other electrical devices which are emitting noise e.g. Christmas lights, tvs, etc.
For super super stable lines, they get a 3db noise margin, which your neighbour has. So for whatever reason your line is less stable than average, hence the noise margin has gone from 6db to 10db and your line has been banded. Your neighbours on the other hand, their line is more stable than average, hence the noise margin has gone from 6db to 3db. So to all intents and purposes your lines are at the opposite end of the spectrum, yours is underperforming compared to average, the neighbours is overperforming compared to average, and yet you are comparing the two like-for-like.
In terms of what you can do - ensure the router is away from electrical interference. Ensure you are using the master socket. Confirm do you have extension sockets? Have you removed the bell-wire. Is anything else connected to your line e.g. sky box, landline etc? Are they filtered?
The banding is unlikely to remove itself for a few months (assuming you figure out the problem and fix it), the system only intervenes after a few months of better line conditions.
You mention the router is connected with a 1 metre cable, so you are not using the provided equipment, the BT RJ11 cable is way over 1 metre long. Have you used the provided filters etc or gone and used your own too?
Edited by ukhardy07 (Fri 19-Jan-18 13:58:54)
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Thanks for your explanation. There is a double wall electric socket. In one socket is the router, in the other with adaptor is a Dect phone and a standard lamp. A plethora of cables have been used in the past especially during March/ April last year where 3 different routers and all different ethernet cables in a variety of socket types.
I measured this cable currently in use and it is 2 mtrs.black with yellow ends.
There are extension phone sockets all over the house but since the OR engineer fitted the faceplate (see linky) there is no wired data connectivity from any of them.
Here is the faceplate NTE socket
In fact there are NO filters being used at all - I always religiously used filters - until the OR guy changed the socket and being double I'm sure filters are not required
I am using the master socket it is all I can use other than WiFi.
I'd just like to reiterate that OR's engineer stated there was no fault with the line or the ethernet cables in use but that it was line length and 50Mbps is all I would get and I've had to live with that which meant abandon Infinity 2 and fall back to Infinity 1 - hoped for some magic from the Nov/Dec boost but finding this week that my neighbour is getting excellent speeds is what resurrected the misery of last year.
All my tests with this configuration since last April have delivered in the region of 45 down and 9 up nothing has changed, no banding lifted just my expectation (naively) actually I'm sure anyone would be pi**ed if they were getting more than 20 Mbps less than their neighbour.
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Do you have a filter? If so can you go into the TEST socket and post stats again?
There is a socket at the back, you can clip off the front:
http://www.telecomgreen.co.uk/wp-content/uploads/201...
Plug a filter into the TEST socket and then the router.
Whilst there can you take pics of the wiring for us and the socket with the faceplate removed.
Do you have wiring connected to terminals 5 and 2?
To confirm, whilst you have the faceplate off, can you plug your landline into every other socket - all other sockets should no longer work. Is this the case? Some builders do something known as star wiring, which introduces a bridge tap on the line and hence poor speeds.
EDIT: Do you know if the neighbours have extension telephone sockets also?
Final Q: Did openreach install the pre-filtered socket AFTER you already had slow speeds or has it always been that way? You also mention a bunch of routers were used, this likely caused disconnections right?
Edited by ukhardy07 (Fri 19-Jan-18 17:11:28)
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Will get on and do this. Does it matter that the only filter I have is ADSL?
I can answer this now... Neighbour house is a clone semi identical but internals reversed. They like me should have been able to call and use data from any internal socket whether theirs was neutered for data I don't know (i still have to prove mine is so)
OR installed the prefiltered socket after I already had slow speeds at the time I was moving back to BT from Entanet see sequence below
The router scenario was:-
Infinity 1 using BT HHub 5 was getting 47Mbps
Migrate to Entanet 80/20 speeds all over the place 30-40 with one peak at 55 using supplied Technicolor TG588v V2 this apparently entailed a switch from BT Retail to BT Wholesale and may have involved a lift and shift (I know at one point the OR guy did move something to a different board in the cab).
Changed to TPLINK Archer AC1600 didn't do much if anything to speed
Change ISP back to BT The router is now HHub6 started with Infinity 2 package Latest NTE fitted DLM reset speed in the 60's for short period of time but within a few minutes maybe 10/15 back down to 50 and speed stuck at 50 Mbps. no router change has occurs since back with BT however plan downgraded to Infinity 1 and speed still tests 49/50Mbps. However none of my TB tests or any other has exceeded 47Mbps and usually around 45.
Off to do the photo and tests you asked for
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Don�t have one of these do you outside?
http://btcommunity.weebly.com/uploads/8/5/5/2/855209...
ADSL filter is relative fine for the testing purposes.
Any audible noise on the landline? Any fuzzing or cracking or popping on the landline when you use it?
Edited by ukhardy07 (Fri 19-Jan-18 20:55:33)
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No just have a light grey trunking bringing the wiring up through ground and into house.
No noise fuzz or crackling.
Master socket
https://ibb.co/mds6Yb
https://ibb.co/nBEyeG
https://ibb.co/mmR0tb
Testing
All phone sockets in the house work on voice.
Only tested one socket other than master and don't work with data get flashing orange and purple on hub router state disconected
screenshot of tests
https://ibb.co/hN1fRw
https://ibb.co/e7Z0Rw
https://ibb.co/gryieG
https://ibb.co/j5d5tb
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"To confirm, whilst you have the faceplate off, "...
Got back to read this bit and can't remember whether I tested voice on all the other sockets with the faceplate still off Duh!
Just a bit knackered and wanted to respond when someone was trying to help me.
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Sorry I need stats and you to test with the plate off all of the sockets to see if a dial tone is present.
I need stats like this, with the filter and test socket in use. The Speedtest will be the same even if you fix the fault, as the speed is fixed now. So I need stats to observe the changes.
Do a before and after for the stats:
Product name: BT Hub 6A
Serial number: +084316+NQ62127766
Firmware version: SG4B1000B522
Firmware updated: 15-Jan-2018
Board version: 1.0
Gui version: 1.64.0
DSL uptime: 2 Days, 11 Hours 11 Minutes 42 Seconds
Data rate: 17.34 Mbps / 78.19 Mbps
Maximum data rate: 17282 / 79839
Noise margin: 5.9 dB / 3.1 dB
Line attenuation: 20.1 dB
Signal attenuation:
VPI / VCI: 0/38
Modulation: G_993_2_ANNEX_B
Latency type: Fast Path
Data sent / received: 479 MB Uploaded / 3435 MB Downloaded
Broadband username: [email protected]
BT Wi-fi: Active
2.4 GHz wireless network name: BTHub6-TSQW
2.4 GHz wireless channel: Smart (Channel 1)
5 GHz wireless network name: BTHub6-TSQW
5 GHz wireless channel: Smart (Channel 36)
Wireless security: WPA2 (Recommended)
Wireless mode: Mode 1
Firewall: On
MAC address: 90:4D:4A:1A:64:11
Software variant: -
Boot loader: 7.33.1
Edited by ukhardy07 (Fri 19-Jan-18 21:42:20)
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With Faceplate off all 5 extensions have NO dial tone
I collected beforestats first with the faceplate ON
Before Stats using Master socket faceplate on
Product name:
BT Hub 6A
Serial number:
+084316+NQ70294288
Firmware version:
SG4B1000B522
Firmware updated:
11-Jan-2018
Board version:
1.0
Gui version:
1.64.0
DSL uptime:
0 Days, 12 Hours 33 Minutes 40 Seconds
Data rate:
10.00 Mbps / 49.00 Mbps
Maximum data rate:
13498 / 63639
Noise margin:
8.2 dB / 10.4 dB
Line attenuation:
20.4 dB
Signal attenuation:
VPI / VCI:
0/38
Modulation:
G_993_2_ANNEX_B
Latency type:
Fast Path
Data sent / received:
12355 MB Uploaded / 5064 MB Downloaded
Broadband username:
[email protected]
BT Wi-fi:
Active
2.4 GHz wireless network name:
BTHub6-7RS7
2.4 GHz wireless channel:
Smart (Channel 11)
5 GHz wireless network name:
BTHub6-7RS7-5
5 GHz wireless channel:
Smart (Channel 36)
Wireless security:
WPA2 (Recommended)
Wireless mode:
Mode 1
Firewall:
On
MAC address:
A4:08:F5:7B:87:BF
Software variant:
-
Boot loader:
7.33.1
I then removed the Faceplace and through the test socket (via adaptor)....
I then downloaded a 512MB and a 1GB file from TBB test files plus a little bit more
Then collected router stats again
AFTER Downloading 512MB and 1GB test files from TBB done with faceplate off with filter line and phone in test socket
Technical log
Information
Event log
Back
This is a list of your BT Smart Hub settings and current statistics.
Product name:
BT Hub 6A
Serial number:
+084316+NQ70294288
Firmware version:
SG4B1000B522
Firmware updated:
11-Jan-2018
Board version:
1.0
Gui version:
1.64.0
DSL uptime:
0 Days, 0 Hours 35 Minutes 42 Seconds
Data rate:
10.00 Mbps / 49.00 Mbps
Maximum data rate:
13745 / 68789
Noise margin:
8.5 dB / 11.5 dB
Line attenuation:
20.4 dB
Signal attenuation:
VPI / VCI:
0/38
Modulation:
G_993_2_ANNEX_B
Latency type:
Fast Path
Data sent / received:
16516 MB Uploaded / 20540 MB Downloaded
Broadband username:
[email protected]
BT Wi-fi:
Active
2.4 GHz wireless network name:
BTHub6-7RS7
2.4 GHz wireless channel:
Smart (Channel 11)
5 GHz wireless network name:
BTHub6-7RS7-5
5 GHz wireless channel:
Smart (Channel 36)
Wireless security:
WPA2 (Recommended)
Wireless mode:
Mode 1
Firewall:
On
MAC address:
A4:08:F5:7B:87:BF
Software variant:
-
Boot loader:
7.33.1
Got puzzled why Noise Margin went up to 11.5dB however there was quite a few router restarts
I hope this is what you asked for?
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Got puzzled why Noise Margin went up to 11.5dB Because the extension wiring is disconnected and not causing any noise
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That does indicate some noise is coming from the extension wiring, note how the noise margin goes up 1db without the extension connected.
I note your speed is 49Mbps in both stats, indicating the line is banded at 49Mbps, that is - DLM has applied that as a sync speed cap.
Assuming you are a BT broadband customer I would keep the router and phone in the TEST Socket, and raise an email with BT exec complaints:
[email protected]
Inform BT Exec Complaints:
"In the past I had a slow speed fault, which was caused by poor internal wiring, this was resolved by openreach replacing the master with a filtered socket and correcting the wiring, however the speeds have never gone back to normal. I was informed by the engineer I might need the sync speed manually resetting by another engineer. My noise margin is stuck at 11.5db whereas it normally is 6db or 3db and my line is banded at 49Mbps, My line used to be around 65Mbps with a 6db noise margin before the fault. Are you able to get an engineer to reset my line now the fault has been fixed?"
Send that off to them, see what they come back with. They very well may refuse as the lines within the fault thresholds so they do not have to issue an engineer to reset... Stay in your TEST socket, a reset should bring your noise margin down to 6db and a faster sync, after a few weeks / months of a good sync and no drops it may drop to 3db and be even faster.
I do believe your line was banded before you had the prefiltered socket, and has remained there ever since. The fact the noise margin is affected even with the filtered socket raises the question how bad was it before the filter!? Must have been worse!!
If they refuse, remaining in the TEST socket, with the router being synced up 24/7, assuming it does not drop out, in a few months it may reset itself.
You could also disconnect the internal wiring from the socket if you want to use the nice faceplate.
Looking at your stats your line seems capable of around 65 - 68Mbps, so still lower than the neighbours at 78Mbps, but that's just the way it is.
If BT agree to do the reset...
To rule things out, could you buy a different landline also? If yours has low battery or something, might be worth replacing it with a BT set or another reputable brand, as it could be something in your home pushing noise onto the line as well.
Edited by ukhardy07 (Sat 20-Jan-18 12:51:31)
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I just want to quote one of your old posts here:
http://forums.thinkbroadband.com/fibre/t/4534104-re-...
Physical Link Status
DSL Status
Up
DSL Enabled
DSL Uptime
6 minutes 5 seconds
DSL Type
VDSL2
DSL Mode
Fast
Line Rate
10.67 Mbps 50.5 Mbps
Data Transferred
118.85 MBytes 694.14 MBytes
Output Power
12.7 dBm 7.5 dBm
Line Attenuation
0 dB 0 dB
Noise Margin
6.3 dB 6.2 dB
Notice how before all the work your line had a noise margin of 6db, but a sync of 50Meg. Your line back then was only capable of 50Mbps... So whatever work has been performed has released more speed, hence your NM is now 11.5db, but unfortunately your line had likely already been banded at 49Mbps during all these faults etc.
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Thank you, however this doesn�t seem very intuitive. 3dB is better than 6dB so why should 11.5dB be good ?
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Ukhardy07
I very much appreciate you taking time to help and also for constructing an email for me - I�ve been using 4 Gigaset Dect phones the master being the only one in a phone socket(master - but now the Test socket) the 3 slaves using wireless to communicate. I have swapped this out for now and now just have an old Panasonic (digital) handset in the test socket. However as you stated earlier as I�m banded, I won�t see any measurable speed increase unless the cap is removed.
We�ll see if the email works but even if not, I�d just like to convey my appreciation to everyone here who took time to help Thank You.
Jamie
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Do you think it would be worth mentioning that BTW Speedtester can get as low as 43Mbps? There should be a database record even for 38 from today.
I wouldn�t be averse to disconnecting the internal wiring TBH and any link as to what to do would be appreciated though I�ll leave the faceplate off until I have some kind of reply from BT but I know my wife will only put up with the dangly filter for so long
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A 1dB change is more likely to be because there is no load caused by extensions and is very small. It pushes your max achievable up slightly but you are still banded at 49 - that is why you have a 10 or 11dB margin.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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Thanks for the explanation
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Say I have 10meg banded sync.
At 3db noise margin the line can�t really support much more speed. So 10 meg is the best.
At 6db noise margin, if the lines stable enough, we could lower the noise margin to 3db and get more speed.
10db noise margin at 10meg indicates we could get a lot more speed out of the line by lowering the noise margin to 3db.
11.5db indicates we could get even more speed.
A higher noise margin is almost like a buffer, a higher noise margin indicates your line can tolerate more interference without dropping. Conversely, as the noise margin goes lower the line can tolerate less interference.
This is why when they cap your speed, your noise margin goes up. It means your line can take much more noise or interference without drop outs.
So unstable lines get a higher noise margin, indicating a cap is in place, the line could support much faster speeds but for whatever reason the lines been unstable and has been capped. In your case this is likely due to the extensions initially or some external interference beyond your control.
All we can do is request a reset, hope it�s approved, if the line goes back to a 11.5db noise margin we know the interference is external and nothing anyone can do.
For reference most lines get a 6db noise margin, only crazy stable ones get 3db.
Edited by ukhardy07 (Sat 20-Jan-18 17:01:59)
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Let us know how you get on with BT
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Sorry it took so long to report back
No joy, in fact a rather adversarial chap tells me all is in order, in spec and as promised.
Letter
I never actually stated I wanted to leave BT hoever during a conversation I quoted their agent when I called the retention number when BT asked in Nov/Dev if I would leave or stay..
"Reshma: You will get a different device booster at the end of the December month where it will increase the speed upto 76mbps. So that the Internet connection will be more speed and stable also."...
I have drafted a reply but probably won't send it as I don't think it would solve anything coming over all snidy etc.
but anyway it goes a bit like this...
"Thank you for your letter of the 28th January 2018.
I have no idea why you should raise the subject of contract release and my moving elsewhere.
Why on earth would I do that?
It wouldn�t solve the problem which I have would it. Oh sorry you don�t accept I have a problem.
I note you didn�t mention the very poor BTW Speedtester results I sent you. By very poor I mean between 30-40Mbps a few have been a bit higher than that.
I�m not going anywhere and since you mentioned 44Mbps to 55Mbps I shall continue to send you or your successor BTW speedtest
Results in the 30�sMbps unless you can properly justify why they are so poor unless of course it isn�t an accurate product and thus to be ignored.
Note: I comply with all the rules of this test and will endeavour to test at various times of day and night to ensure a fair balance of possible contention. "
Ah well it helps to type it, but I can't understand why BTW Speedtest is consistently low - and oh I learnt that only the last test done stays on the database.
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They will only look at the sync, nothing else as this is a sync issue as far as I can see.
I would just push-back along the lines of:
"I am not interested in the sales call at recontacting, that is irrespective here and I dispute the claims regardless.
The noise margin is now sitting at 10db, which is elevated above the 3db and 6db noise margin I had prior to the faults. The max attainable reported by the router is over 65Mbps which is in line with my speeds prior to the faults openreach attended for.
The BT engineer informed me another engineer may be required to reset the Dynamic Line Management post fault if the speeds did not improve. This clearly needs to be done. Are you able to kindly escalate and get this done as agreed prior? "
Edited by ukhardy07 (Wed 31-Jan-18 17:36:50)
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This guy�s stance is that Infinity 1 is up to 55Mbps period any customer getting more good for them. When I asked what would a move to Infinity 2 achieve he said that there would be no increase in throughput at all that my line can�t get any more throughput.
Here is the current router stats and some things have been changed.
Product name:
BT Hub 6A
Serial number:
+084316+NQ70294288
Firmware version:
SG4B1000B522
Firmware updated:
11-Jan-2018
Board version:
1.0
Gui version:
1.64.0
DSL uptime:
5 Days, 0 Hours 56 Minutes 9 Seconds
Data rate:
10.00 Mbps / 55.00 Mbps
Maximum data rate:
14739 / 68210
Noise margin:
9.5 dB / 9.6 dB
Line attenuation:
20.4 dB
Signal attenuation:
VPI / VCI:
0/38
Modulation:
G_993_2_ANNEX_B
Latency type:
Fast Path
Data sent / received:
46764 MB Uploaded / 18921 MB Downloaded
Broadband username:
[email protected]
BT Wi-fi:
Active
2.4 GHz wireless network name:
BTHub6-7RS7
2.4 GHz wireless channel:
Smart (Channel 1)
5 GHz wireless network name:
BTHub6-7RS7-5
5 GHz wireless channel:
Smart (Channel 36)
Wireless security:
WPA2 (Recommended)
Wireless mode:
Mode 1
Firewall:
On
MAC address:
A4:08:F5:7B:87:BF
Software variant:
-
Boot loader:
7.33.1
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He is right on your package, you now have the max speed so they have fixed it or possibly it�s because you now are using the test socket.
An upgrade would likely give faster speeds they just can�t promise it.
At current indeed you have a 55mbps package and a 55mbps sync.
You might get to 65mbps but is it worth the extra cost? Would you really use or need it?
Edit: some select customers on infinity 1 got a speed increase. You are not one clearly.
Edited by ukhardy07 (Wed 31-Jan-18 19:47:40)
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Good points I guess I'll just have to stick.
I'd still like to ask what the point is of BTW Speedtester...
https://ibb.co/gmWveR
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Run a Speedtest here and Speedtest.net
Post your results
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I have been there is quite a number of tests logged here. I'll do it again when on ethernet and publish.
I would like to know why BTW Speedtester is so ridiculously low?
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Test done ethernet test socket 11:06 this morning
Test
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Not great, do you have another device e.g. an iphone to test on? The spikes etc are what mine looks like when I have a certain AV running.
Ideally a modern device that uses wireless AC and stand beside the router.
Also keen for the speedtest.net result.
Edited by ukhardy07 (Thu 01-Feb-18 12:09:55)
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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The iPad is much nicer and as expected, the other laptop/desktop is performing poor. It may indicate the issue is with the original device.
Approx 45Mbps out of a theoretical max line profile of 50Mbps is fine given other things may have been connected via wifi or whatever else. Plus it was WiFi.
Not sure why the difference, but overall line looks much better to me.
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Blue circle VPN Off
Set up a VPN last week on Win10 Laptop & Win 10 desktop plus 2 iPhones and the iPad I showed the test from earlier.
The link is to a list of tests today from the Win10 laptop over Ethernet with VPN ON then OFF for 2 tests in blue circle then ON again ????
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VPNs usually = speed loss, worse latency etc.
Only use as required.
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VPNs in most cases will be lower speed - just the act of encrypting/decrypting everything has to reduce throughput to some extent. The only question is whether the VPN traffic itself is treated as a higher priority and goes over better routes than it would have normally, possibly specific types of traffic could be low priority in an ISP network whereas secure traffic may be higher priority - for most ISPs that is probably not the case.
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The poster has been using this VPN all the time and did not think to throw this out there?
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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