Fibre speeds are much slower now.
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- Re: Fibre speeds are much slower now.
Fibre speeds are much slower now.
02-05-2015 5:11 PM
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Over the last month or so my speed has dropped to 36mb and upload is 6mb and the ping has doubled to 30ms!
I signed up for upto 76mb unlimited fibre.I see now there is a package upto 38 mbps unlimited which wasn't available at the time.Have I been switched to this profile?I'm paying extra for a faster service.Although I would like better upload,download and ping,I could get my current speeds for less money on your other package.
Could someone check my line please?
Re: Fibre speeds are much slower now.
02-05-2015 5:46 PM
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Re: Fibre speeds are much slower now.
03-05-2015 1:23 AM
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something very odd going on.
Re: Fibre speeds are much slower now.
03-05-2015 8:56 AM
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I have reported it to Plusnet's online chat and Ryan just assumed line degradation.
I'm pretty sure it is G.INP acting on my line since my cabinet is Hauwei and my modem was "installed" by contractor who had a ECI. (I have symptoms of 15ms higher ping, upload speed decreased from 20mbps to 13mbps and download decreased from 77.5mbps to 63.8mbps)
BT have remained silent on this but have acknowledged it and Plusnet just don't want to swap modems (what happened to faulty modems? I'm pretty such the lower upload speeds are reflective as per a faulty modem?). The result of loss in speeds is just interleaving being enabled on lines
BT Thread
Though on my Plusnet IP Profile is stating my current line speed as 77.5mbps but BT Wholesale Speed Test and BRAS IP Profile Check both state it is 68.11mbps! Very strange...
Swiss Army Knife for diagnosing all your issues
Re: Fibre speeds are much slower now.
03-05-2015 11:23 AM
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ticket logged for some answers, though they might say its my router, as i use a Netgear D6200 (with latest firmware) linked by CAT6a shielded Ethernet link to the Openreach eye-sore on the wall.
Re: Fibre speeds are much slower now.
03-05-2015 3:04 PM
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We must also be careful not to jump on the bandwagon and blame G.INP for it all because there are other causes that could cause similar symptoms such as a line fault or crosstalk.
Yet there's lots of people who are either being fobbed off with 'general degradation and nothing you can do' when they do have a problem related to G.INP.
Its possibly G.INP related if _all_ of the following apply :
1) You are on a Huawei cab
2) You have an ECI modem, HomeHub 5A or other incompatible modem router.
3) Overnight you lost >10Mbps of sync speed and your latency doubled.
There are some that deny there is a problem, but there most definitely is and rather than bury heads in sand approach, a few of us are pushing for a proper solution.
The info on the BT thread is minimal and often wrong. Interleaving alone does not cause such large losses in sync as we are seeing. Interleaving on its own causes delay. What causes the loss of sync is the RS overheads.
Re: Fibre speeds are much slower now.
03-05-2015 6:30 PM
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I know you shouldn't have to buy a different modem to solve the issue. For me, it was the best tenner I have spent in a while.
Re: Fibre speeds are much slower now.
03-05-2015 6:59 PM
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I have done exactly the same (paid slightly more) & it has had the totally opposite effect. I am on a Huauwei cabinet & G-INP is enabled.
Lost around 10Meg, several random re-syncs, interleaving level went from 4 to 8 overnight.
So nothing is consistent.
Re: Fibre speeds are much slower now.
03-05-2015 7:31 PM
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Software like HG612 Modem Stats (written by a regular contributor to these forums) can capture and monitor your line stats.
There are a lot of smart people on these forums that can look at line stats and determine a lot of information. If you were to post your line stats I am sure everyone could help to try and understand what might be happening.
Re: Fibre speeds are much slower now.
03-05-2015 7:44 PM
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Probably best starting a new thread and posting your line stats. Id also grab something like DSLstats and monitor what your SNRm is doing.
Re: Fibre speeds are much slower now.
05-05-2015 3:54 PM
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Quote from: kitz Unfortunately there is an issue and proving it without proper stats is exceedingly hard to diagnose properly.
We must also be careful not to jump on the bandwagon and blame G.INP for it all because there are other causes that could cause similar symptoms such as a line fault or crosstalk.
Yet there's lots of people who are either being fobbed off with 'general degradation and nothing you can do' when they do have a problem related to G.INP.
Its possibly G.INP related if _all_ of the following apply :
1) You are on a Huawei cab
2) You have an ECI modem, HomeHub 5A or other incompatible modem router.
3) Overnight you lost >10Mbps of sync speed and your latency doubled.
There are some that deny there is a problem, but there most definitely is and rather than bury heads in sand approach, a few of us are pushing for a proper solution.
The info on the BT thread is minimal and often wrong. Interleaving alone does not cause such large losses in sync as we are seeing. Interleaving on its own causes delay. What causes the loss of sync is the RS overheads.
Well I have an ECI modem have lost about 10 mbps and latency has doubled.
The only thing I don't know is what type of cabinet it is.
So it may be possible it's related to G.Inp.
I'd never heard of it before to be honest,but it seems a hot topic at the moment!
Re: Fibre speeds are much slower now.
05-05-2015 4:00 PM
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Quote from: Simonzo My exchange is LCBAR.
Your exchange has a mix of ECI/Huawei cabinets.
Cabinets 39, 56, 65, 71, 37, 13, 9, 59, 52, 63, 46, 53, 45, 57, 35 and 72 are Huawei (and all done under BDUK Cumbria). The cabinets done under BT's commercial programme on your exchange are ECI.
Re: Fibre speeds are much slower now.
05-05-2015 4:35 PM
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Re: Fibre speeds are much slower now.
05-05-2015 5:46 PM
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Re: Fibre speeds are much slower now.
05-05-2015 8:09 PM
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When I use the dslchecker for my line it has two lines for fttc as follows:
fttc a (clean) high 80 low 60.8 download and 20 high 20 low upload
fttc b(impacted) high 74.8 low 48.4 download and 20 high 12.2 low upload
My speed comes below the lowest impacted on both download and upload!
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