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Dead in the water connection ... the third time in as many months!

hodmandod
Grafter
Posts: 51
Registered: ‎28-06-2011

Dead in the water connection ... the third time in as many months!


I started a thread detailing my slow internet connection in June:
http://community.plus.net/forum/index.php/topic,96926.0.html
This was apparently resolved following an engineer's visit. However, a similiar situation occured in July:
http://community.plus.net/forum/index.php/topic,97605.msg827447.html#msg827447
Plusnet appeared to believe this had corrected itself after I borrowed a new router and my speed gradually returned to normal; but I was unconvinced as I was still getting regular disconnections.
I had an open fault ticket 450294452 dated 29th July and when I last posted on this I mentioned that I did not consider the fault resolved.
On 28th august I went away for ten days. Unfortunately, my open fault ticket was closed while I was away. During this time, other members of my family told me our internet connection again became impossibly slow. This happened on or around 1st Sept. The speed has remained consistently sluggish since then. When I returned home on 8th Sept, I did a BT speedtest:

Download speedachieved during the test was - 128 Kbps
For your connection, the acceptable range of speeds is 50-250 Kbps.
Additional Information:
Your DSL Connection Rate :160 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 135 Kbps
My router stats are:
ADSL Line Type GDMT
ADSL Line CodingADSL Line Coding INTERLEAVED
Line Attenuation (Down):53  (Up):31
Noise Margin (Down):13  (Up):20
Total Output Power (Down):0  (Up):0
Current State DownStr: 160(K)  UpStr: 448(K)
undefined UP
FEC(FAST) (Near):0  (Far):0
FEC(INTERL) (Near):23392  (Far):13601
CRC(FAST) (Near):0  (Far):0
undefined (Near):48  (Far):641
HEC(FAST) (Near):0  (Far):0
HEC(FAST) (Near):884  (Far):0
Showtime last(sec) 351202
ADSL FW Version 0.52
ADSL Board Type Annex A
I should emphasise, I am still using the new, borrowed router I was asked to try as a last resort as all other tests suggested there was an external line fault that should be looked into by an engineer.
33 REPLIES 33
spraxyt
Resting Legend
Posts: 10,063
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Registered: ‎06-04-2007

Re: Dead in the water connection ... the third time in as many months!

Tickets self close if with the user and not responded to within 14 days; that is probably the reason your fault ticket was closed while you were away.
I suggest raising a new fault ticket, but cross referring to the old one to link the issues together. Are you currently connected to the test socket?
David
hodmandod
Grafter
Posts: 51
Registered: ‎28-06-2011

Re: Dead in the water connection ... the third time in as many months!

Quote from: spraxyt
Are you currently connected to the test socket?

No. I've already been through a battery of tests using my original router, and the new one, both for several days connected to the test socket. I had more or less the same number of spontaneous disconnections no matter what I did. My speed had gradually returned to normal before I even installed the new router and it stayed much the same afterwards until. presumably, while I was away, I had too many disconnections for the system to cope with.
I spoke to someone from Plusnet after I had tested my original router through the test socket and he confirmed the fault couldn't be with my internal wiring but was either external or inside the router. Now I'm using a new router so I assume the fault must be outside.
adamwalker
Plusnet Help Team
Plusnet Help Team
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Registered: ‎27-04-2007

Re: Dead in the water connection ... the third time in as many months!

Hi there,
I'm happy to jump in and help get this sorted ASAP. Can you just confirm that you've tried both of your routers in the test socket first please?
Adam
If this post resolved your issue please click the 'This fixed my problem' button
 Adam Walker
 Plusnet Help Team
jelv
Seasoned Hero
Posts: 26,785
Thanks: 971
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Registered: ‎10-04-2007

Re: Dead in the water connection ... the third time in as many months!

... and using different filters.
jelv (a.k.a Spoon Whittler)
   Why I have left Plusnet (warning: long post!)   
Broadband: Andrews & Arnold Home::1 (FTTC 80/20)
Line rental: Pulse 8 Home Line Rental (£14.40/month)
Mobile: iD mobile (£4/month)
hodmandod
Grafter
Posts: 51
Registered: ‎28-06-2011

Re: Dead in the water connection ... the third time in as many months!

Quote from: _Adam_Walker_
Can you just confirm that you've tried both of your routers in the test socket first please?
Adam

Everything that happened is detailed in the original fault ticket - 45029445 - which I raised on 29th July. Basically. the slow speeds started around 22nd July, When I raised the issue, Plusnet confirmed the connection was dropping; but after a few days, my speeds gradually improved. They were normal again by the 3rd August. However, I was informed my connection was still dropping more than it should and I was asked to try using the test socket. On 6th August, I plugged my original router into the test socket for several days. During this time, although my speeds remained okay, the connection kept dropping. I was then asked to try an alternative router in the test socket. I did this on 9th August. My speeds remained constant, but the connection still dropped. I posted my concerns about this in the following message on the fault log on 12th August:
"Looking at the the graph in your post of 6th August, my speed had recovered but my connection was dropping between one and three times a day. That was with my old router. Then, in your post of 8th August, the connection was still dropping, between one and four times a day. That was with my old router in the test socket. My speed was still good, then.
Looking at the graph from your post today, 12th August, from when I installed the new router at midday on 9th August my speed has been good but the connection is still dropping, between one and three times a day.
I'll certainly keep my eye on the speed, but the key seems to be the continuing drops in connection. If they - the drops - continue at the same rate of between one and three times a day, wouldn't that suggest the change of router has made little difference. and it is the external line at fault?"
Then, on 20th August, I posted this message:
"My speed has been satisfactory during the last week. However, it is still unclear to me what caused the slow speeds in the first place. My connection speed had already recovered by the time I was asked to try a different router and with the new router my line initially experienced as many and as frequent drops as it had with the original router, as shown in your tests. Have you continued to test for drops in connection? If so, has the pattern changed over the last week?
If the pattern has stayed much the same, wouldn't this suggest the cause of the original drop in speed had to do with a problem in the external line rather than the router?"
My speeds stayed much the same until 2nd Sept when they dropped right back down again. They've stayed slow since then. I'm still using the new router, though it's no longer in the test socket. I moved it back to its original position after it had been in the test socket for several days.
 
jelv
Seasoned Hero
Posts: 26,785
Thanks: 971
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Registered: ‎10-04-2007

Re: Dead in the water connection ... the third time in as many months!

You need to say it's back in the test socket to stop the first response you get back being "please try the test socket". Once you've done that PN will pass it on to BT.
jelv (a.k.a Spoon Whittler)
   Why I have left Plusnet (warning: long post!)   
Broadband: Andrews & Arnold Home::1 (FTTC 80/20)
Line rental: Pulse 8 Home Line Rental (£14.40/month)
Mobile: iD mobile (£4/month)
adamwalker
Plusnet Help Team
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Re: Dead in the water connection ... the third time in as many months!

Hi there,
I've read through the ticket, it does show that you tried more than one router but it doesn't  really confirm if you've tried them both in the test socket. I'm not trying to be awkward here just needed to know so I can help you out with this. Smiley  
Quote
I'll certainly keep my eye on the speed, but the key seems to be the continuing drops in connection. If they - the drops - continue at the same rate of between one and three times a day, wouldn't that suggest the change of router has made little difference. and it is the external line at fault?"
 
Between one and three disconnections a day should not have any adverse affects on speed, if you doubled that ammount then yes you'd start to see DLM kicking in and a lowering of the IP profile.
Quote
"My speed has been satisfactory during the last week. However, it is still unclear to me what caused the slow speeds in the first place. My connection speed had already recovered by the time I was asked to try a different router and with the new router my line initially experienced as many and as frequent drops as it had with the original router, as shown in your tests. Have you continued to test for drops in connection? If so, has the pattern changed over the last week?

The slow speeds were caused by a more frequent bout of disconnections, I 've noticed that prior to 2 days ago you had a speight of these at exactly 1 minutes and 2 seconds in length, that really does point to an equipment problem, most likely the router.
Quote
If the pattern has stayed much the same, wouldn't this suggest the cause of the original drop in speed had to do with a problem in the external line rather than the router?"

Where as the line and the router can be the main causes of faults you need to bear in mind that there are other factors involved too which I'm more than happy to work through as part of a fault investigation if need be. However the good news is that at present you've had a solid connection for the past two days (see the following graph) if the connection stays up for a full 72 hours you should see a slight increase in speeds. so I'm just going to recommend that we just keep an eye on the connection for now. I'll come back to check your account on Monday to see if there's been any change.
<img src="http://ccgi.psmith12.plus.com/visradius/generated/image13155600174730.png" />

Quote
"please try the test socket". Once you've done that PN will pass it on to BT.

I'd advise against that as you've mentioned its not in the test socket at present and it seems to be keeping a steady connection...
If this post resolved your issue please click the 'This fixed my problem' button
 Adam Walker
 Plusnet Help Team
hodmandod
Grafter
Posts: 51
Registered: ‎28-06-2011

Re: Dead in the water connection ... the third time in as many months!

Adam, 
Yes, you're right - I don't actually say in the ticket that I connected the new router to the test socket. I thought I had made that clear but I wasn't specific enough. I'm sorry about that. However, I can confirm that I moved my whole workstation to just by the master socket for a week or more while I tested both routers.
Those disconnections showing up as occurring from the morning of the 4th to the evening of the 6th would explain my slow speeds; but are you seriously suggesting the new, alternative router might be at fault? Surely, to have the same phenomena occur (a spate of dropped connections is what has caused the same problems before) with two different routers is stretching probability a little, isn't it? As it is, I'm still far from convinced there was anything wrong with my original router!
One possible avenue of exploration might be the fact that heavy rain and strong winds were experienced on or around the time of those disconnections.
adamwalker
Plusnet Help Team
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Re: Dead in the water connection ... the third time in as many months!

The proof is in the pudding really, which ever router you have in use a the moment and how ever it seems to be set up is keeping a solid connection so if it's convenient to leave it set up that way then I'd not consider making any changes to the set up at all.
If this post resolved your issue please click the 'This fixed my problem' button
 Adam Walker
 Plusnet Help Team
hodmandod
Grafter
Posts: 51
Registered: ‎28-06-2011

Re: Dead in the water connection ... the third time in as many months!

My connection is still slow, much slower than dial up - so slow I get timed out trying to complete a BT speedtest!
My router stats have changed, though:

ADSL Line Type GDMT
ADSL Line CodingADSL Line Coding INTERLEAVED
Line Attenuation (Down):54  (Up):31
Noise Margin (Down):13  (Up):20
Total Output Power (Down):0  (Up):0
Current State DownStr: 1664(K)  UpStr: 448(K)
undefined UP
FEC(FAST) (Near):0  (Far):0
FEC(INTERL) (Near):6120  (Far):13311
CRC(FAST) (Near):0  (Far):0
undefined (Near):10  (Far):139
HEC(FAST) (Near):0  (Far):0
HEC(FAST) (Near):544  (Far):0
Showtime last(sec) 57456
ADSL FW Version 0.52
ADSL Board Type Annex A
adamwalker
Plusnet Help Team
Plusnet Help Team
Posts: 16,877
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Registered: ‎27-04-2007

Re: Dead in the water connection ... the third time in as many months!

Hi again,
There appears to be a 135kbps profile in place at present, I've submitted an SNR reset which should remove that within a few hours. Give me a shout if it doesn't.
If this post resolved your issue please click the 'This fixed my problem' button
 Adam Walker
 Plusnet Help Team
hodmandod
Grafter
Posts: 51
Registered: ‎28-06-2011

Re: Dead in the water connection ... the third time in as many months!

Hello Adam,
Whatever you did has done the trick. I've attached a BT speed test below.
The question is, do you know why the problem occurred in the first place?  And why an SNR reset became necessary?
Thanks,

Download speedachieved during the test was - 1442 Kbps
For your connection, the acceptable range of speeds is 400-2000 Kbps.
Additional Information:
Your DSL Connection Rate :2080 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 1750 Kbps
adie:quote
adamwalker
Plusnet Help Team
Plusnet Help Team
Posts: 16,877
Thanks: 882
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Registered: ‎27-04-2007

Re: Dead in the water connection ... the third time in as many months!

We won't know the exact cause of the fault without investigating it I'm afraid. The slowdowns happened as the connection was dropping out for some reason. It seems fairly steady at the moment so it should be OK. However do keep an eye on it, if the speeds to decrease again (lets hope not) then let me know and we'll dig a little deeper as there may be an underlying issue if that happens.
If this post resolved your issue please click the 'This fixed my problem' button
 Adam Walker
 Plusnet Help Team
hodmandod
Grafter
Posts: 51
Registered: ‎28-06-2011

Re: Dead in the water connection ... the third time in as many months!

Hello Adam,
As you know, I borrowed an alternative router in August to test it after Plusnet suggested my slow speeds then might have been caused by my original router. Having just experienced another lengthy period of slow speeds, using the new, borrowed router, can I now assume that both routers are okay and there was a separate, underlying issue that may or may not recur?
In other words, can you confirm, if I get slow speeds again, your 'investigation' will focus on something other than the router issue?