Regular disconnects

[m0rph3us]

I am suffering from regular disconnects, i'm currently running at 86% availability, I have also tried a cisco 1841 router that exhibits the same issues which negates the linksys being at fault. I have tried to explain to the tech support bods that this is nothing to do with the fact I'm running linux as they didnt want to support me at first, and they didnt understand how I'd diagnosed a dsl issue.

2 routers, 3 dsl cables, 4 filters
any combination of the above gives the same results, frequent disconnects, last night was off from 12:15am to 08:00am.

I am a communications engineer by trade and feel quite disgusted that I have now been taken through the script several times by first line support even though I explained the issue isnt with my PC. only to be told that,
A: you don't support Linksys
B: you don't support Linux
Again thats not what I was asking for support with, I had already diagnosed a fault with the dsl, this has now been escalated via second line to engineering but i thought these figures may be useful.

Router:linksys wag54gs
Socket:Directly in to master socket
Telephones:none
Extensions:none

the three files attached are

line_stats.txt, the values from my router
trace_prior_to_drop.txt, router log during a dropped connection
router_connection_trace.txt, router log during re-connection

Can anyone shed any light on this?


regards


m0rp3us

UPDATE!!!

My mother who is on the same exchange couldnt connect to the net for the same peiod mine was out this morning 12:15 to 08:00, looks to me like an issue at the exchange, how can talktalk not be aware of this? the exchange is the haslington one (01270)
http://www.samknows.com/broadband/exchange.php?ecode=WMHAS


regards

m0rph3us

[OCE_Stephen]

Hello,

Sorry that you have not been able to get the required support. Do you have an NTe5 socket and if so have you tested in it, i am guessing you haven't because i am sure you would have tested in it !!:D

Looking at the information provided "thanks" and what we have I can see that the attenuation is high, not massive but high.....

Your dBm & SNR also look ok.....

Its very possible that this is a line fault however before our networks team will investigate they require that a TT modem has been tested, Do you have a TT modem at all? If not then I can send you one for testing, we have found that our Hg520 is very good with long lines also testing with g.dmt can sometimes help.

[m0rph3us]

They never sent me a modem :( <looks down and shuffles feet with bottom lip firmly curled> I have tried with an old speedtouch and it does the same (the talk talk software detected that on one of my winblows boxes)

I would appreciate it if you could send me anything that may help diagnose this, I do understand that people have teething troubles thats why I'm not stomping around shouting at your first line lol

regards


m0rph3us

[m0rph3us]

Well it's been relatively stable for a day or so, and now its started again, connection dropping exactly the same as before, not heard anything yet from TT regarding engineer intervention/visit.


regards


m0rph3us

[OCE_Ady]

Morpheus

Is there any chance you could PM with your mothers Telephone number then i could check her line on system?

As im at home cant check this but you can tell me have they run any copper line tests on the line with your router in the master/test socket?

[m0rph3us]

Had another service outage last night, approximately 20:00 to 21:30, no internet at all solid, not just the disconnecting issue, this time it disconnected and stayed down for roughly an hour and a half.


regards

m0rph3us

[m0rph3us]

How do I get a fixed IP on talktalk, I'm using dyndns at the mo but cant seem to connect so I cant tell if it's dyndns thats shafted or if I'm even connected, if I had a fixed IP then I could just log in.


regards


m0rph3us

(am willing to pay for a fixed ip)

[OCE_Stephen]

Hello,

Sorry but we don't offer a static IP to our residential customers.

Thanks

[m0rph3us]

can this be explored? if the service is available on buisiness and they are using the LLU then surely theres no reason why it couldnt be used on domestic is there?

edit: can you PM me my current IP, I think dyndns is on the fritz and I need to get to my router urgently


regards


m0rph3us

[m0rph3us]

No wonder I cant remote in properly, whats going on with my upstream????

Status: Up
Downstream Rate: 2016 Kbps
Upstream Rate: 64 Kbps
Cisco Logo

PVC Connection

Encapsulation: RFC 2364 PPPoA
DSL Modulation Mode: G.dmt
Multiplexing: VC
Qos: UBR
Pcr Rate:
Scr Rate:
Autodetect: Disable
VPI: 0
VCI: 38
Enable: 1
PVC Status: Up

[m0rph3us]

I'm now starting to wonder wether I should stay a talktalk customer or not, I am within my 30Day trial and have had countless problems, I cant get through to technical support whenever I need to, the odd thing is my connection is fine during the day, then at nights when I'm at home it drops off!

Tonight I'm getting "LCP down" messages, I've contacted 2nd line tech support a week ago who told me an engineer would check the exchange end, this was last week, surprise surprise I've heard nothing at all. my connection is still dropping frequently and for extended periods of time, I can understand it dropping out for a couple of seconds, but half an hour or longer at a time????

This seems to be a regular problem with talktalk and the amount of posters having the same issue would disturb me as a potential customer. I now have a few days left to get this issue resolved before I have to decide wether or not to become an ex talktalk customer, and thats looking pretty likely at this rate


regards


m0rph3us

[OCE_Stephen]

Hi m0rph3us,

To be fair out of our massive customer base there are only a small percentage with connection issues and an even smaller number who are registered on this forum !!!

With regards to Static IP`s we don't offer it and its not something that we are planning to do anytime soon however this may change in the future?

Thanks

[m0rph3us]

21st feb I went live

22nd feb I called tech support frequent disconnections

23rd feb I spoke to second line and was promised a call back

25th feb heard nothing

4th march message on my answer phone regarding the fault, can I call them back, I did, nobody knew what it was about

called today, still getting disconnected and have a noisy line, in fact I'll elaborate on this.

I've now had 6 routers plugged in to the socket, one linksys wag54GS, one netgear DG834G, two cisco 1801's and two 1841's, I've had 8 filters and four cables and all the above in various combinations.

when I try and call anyone with a router plugged in theres terrible noise and I can barely hear the person on the other end, if I then unplug the router the noise gradually dies down over approximately 20 minutes, as soon as I plug a router back in the noise starts again. At first I thought "ha, faulty router" so I replaced it, it still did it, then I replaced the phone....same again. then I replaced the cable....still the same this went on until I tried every permutation of the equipment I've got.

If it was a faulty router the noise would go the instant the router is un-plugged not 20 minutes later, and the chances of 6 different routers being faulty is pretty slim, add to that I've used various combinations and manufacturers of filters and cables and that rules that out.

I am plugged in to the master socket (been in the diagnostic port for the past few days and its still the same) I don't have ANY extensions and only one phone plugged in, oh yes did I say, i've tried a couple of phones.

I've had this problem from day one and as I have said before I am considering cancelling before the 21st of this month if this isnt resolved, I am going to run over the trial period with problems if I don't cancel, unless TT see fit to extend my trial period, I do understand services and systems have teething troubles but this is now getting beyond a joke. If I treated my customers like this I soon wouldn't have any customers to worry about.


Oh they've actually logged my fault call tonight, apparently it wasnt logged on any of the previous occassions.

TT are going to have to pull something pretty damn special out of the hat to keep me as a customer now and there are several family members too that are watching with baited breath, if this is the trouble you have getting faults fixed then do they really want to be Customers too???


regards


m0rph3us

[ETEE]

If you get the right person on the job, things get sorted OK. TalkTalkBoy used to be quite good I seem to recall?

[jkspoff]

Hi, I don't know if this will help as you may have already tried it, but I am using exactly the same router as you Linksys WAG54GS and I downloaded and installed the latest firmware at this link, it helped with many issues: Firmware Version: V1.01.03.

http://www-uk.linksys.com/servlet/Satellite?c=L_CASupport_C2&childpagename=UK%2FLayout&cid=1175234040189&pagename=Linksys%2FCommon%2FVisitorWrapper&lid=4018927783B183&displaypage=download

[m0rph3us]

I know the lads (and ladies if there are any) on here are very good, and to be honest this has been the only place I get any sane replies other than those on the script.

jkspoff:

It's not the router or the firmware, thanks for having a go though ;) I do this for a living and have a mountain of cisco, zyxel, netgear, linksys, erriccson and symbol routers to try and believe me I've tried a few. This is deffinitely a line issue, I'm even starting to suspect the card at the exchange considering the way the fault appears when a router is plugged in and then doesnt go till approximately 20 minutes after you've un-plugged the router.


regards


m0rph3us

[m0rph3us]

OK, somethings changed, the noise has gone!!!! can we try me on a higher profile now and see if it's stable?

My guess is they've found something :)

[blackeagle]

Odd that, 20 mins for noise to fade and then suddenly its gone altogether :confused:

You just taken the red pill ? lollollollol

Seriously though, any chance there could be an outside influence, weather, a streetlight etc ?

[m0rph3us]

LOL@red pill

The only variable that seems to have an effect is the time from unplugging the router (any router that was plugged in), we've had a good spectrum of weather the past few days and normally I'd say "good call" but the variation in weather has made no difference.

The line noise seems to have dropped right off now, me and the answerphone woman are on first name terms i've called it that much tonight :)

It's almost as if theres a capacitor breaking down on a card somewhere then when the router is off it takes time to discharge, mind you thats a complete wild stab in the dark finger in the air clutching at straws can I call a friend guess (ps yes I did notice the call a friend irony hehehe)


regards


m0rph3us


ps blackeagle, vista??? you know you want to join the dark side :cool:

[blackeagle]

Could be a cap I guess, does sound exchange related.

ps blackeagle, vista??? you know you want to join the dark side

All my clients run windows, either XP or Vista. I find that if they are 'techy' enough to want to go for Linux, they're techy enough not to need support :(

I do keep contemplating it though. I have a couple of boxes I keep thinking about putting it on, then generally the phone rings !!! lollol

[ETEE]

The only variable that seems to have an effect is the time from unplugging the router (any router that was plugged in), we've had a good spectrum of weather the past few days and normally I'd say "good call" but the variation in weather has made no difference.

The line noise seems to have dropped right off now, me and the answerphone woman are on first name terms i've called it that much tonight :)

It's almost as if theres a capacitor breaking down on a card somewhere then when the router is off it takes time to discharge, mind you thats a complete wild stab in the dark finger in the air clutching at straws can I call a friend guess (ps yes I did notice the call a friend irony hehehe)


Maybe you have got local interference like a rogue Sky box or a streetlight. Have you tried tuning into it with a MW radio set at around 1MHz to 2MHz. You can see if it correlates with the noise you hear going on or off.

[m0rph3us]

Had BT openreach round this morning, the line noise had stopped before he arived, he had a listen anyway and then procceeded to tell me that I've possibly got a faulty router or filter or cable.

I pointed out the pile of routers behind him and the pile of cables, and the pile filters and asked "what they are ALL faulty?" "ahhhh so you've tried everything then"

Sooooo off he pootles to the exchange to swap a "protector" I'm guessing this is some sort of filter, my line and adsl dropped and within minutes was back up. only this time my stats are not so good.

Before the BT visit;
Wed 12 Mar 2008 08:33:44 IP=78.149.101.XX Rx-Noise= 12db Tx-Noise= 3db Rx-Sync= 2029Kbps Tx-Sync= 220Kbps Upstream attenuation=15.5db Downstream attenuation=51db upstream noise margin=3db


After the BT visit
Wed 12 Mar 2008 09:12:44 IP=89.242.160.XX Rx-Noise= 19db Tx-Noise= 7db Rx-Sync= 2029Kbps Tx-Sync= 220Kbps Upstream attenuation=31.5db Downstream attenuation=52db upstream noise margin=7db


What impact will this increased attenuation have on my service, and the fact that it's jumped by 15db cant be a good sign can it? as the "white noise + pops and crackles" has now gone i need to raise this as a broadband issue apparently, however my disconnects dont seem as frequent

I stand corrected, just dropped a few times as I'm typing this and my downstream noise margin has gone from 18db to 22db


regards


m0rph3us

[m0rph3us]

bump :( :(:(

[matt]

Had BT openreach round this morning, the line noise had stopped before he arived, he had a listen anyway and then procceeded to tell me that I've possibly got a faulty router or filter or cable.

I pointed out the pile of routers behind him and the pile of cables, and the pile filters and asked "what they are ALL faulty?" "ahhhh so you've tried everything then"

Sooooo off he pootles to the exchange to swap a "protector" I'm guessing this is some sort of filter, my line and adsl dropped and within minutes was back up. only this time my stats are not so good.

Before the BT visit;
Wed 12 Mar 2008 08:33:44 IP=78.149.101.XX Rx-Noise= 12db Tx-Noise= 3db Rx-Sync= 2029Kbps Tx-Sync= 220Kbps Upstream attenuation=15.5db Downstream attenuation=51db upstream noise margin=3db


After the BT visit
Wed 12 Mar 2008 09:12:44 IP=89.242.160.XX Rx-Noise= 19db Tx-Noise= 7db Rx-Sync= 2029Kbps Tx-Sync= 220Kbps Upstream attenuation=31.5db Downstream attenuation=52db upstream noise margin=7db


What impact will this increased attenuation have on my service, and the fact that it's jumped by 15db cant be a good sign can it? as the "white noise + pops and crackles" has now gone i need to raise this as a broadband issue apparently, however my disconnects dont seem as frequent

I stand corrected, just dropped a few times as I'm typing this and my downstream noise margin has gone from 18db to 22db


regards


m0rph3us

Interesting thing about this is that on the 2nd of this month the modem train rates displayed that you had the following stats

att D: 54.0
att U: 30.1

SNR D: 7.3
SNR U: 31.0

[m0rph3us]

Sooo, what do you think might be going on? these latest values I have are on another! router.


regards


m0rph3us

[matt]

I'd run a router monitor program and see if your SNR is varying.

From what changes over time we can either pinpoint local noise or get a better understanding of what is going wrong.

What router are you using ?

[m0rph3us]

I'm running a dg834g now with snmp logging enabled, I might just chuck a cisco back on later and enable dsl debugging, won't be till later though.


regards

m0rph3us

[matt]

What you want to try and collect or the key statistics such as sampling SNR changes etc.

i don't have a netgear to hand but if you can give me the following information I may be able to mod the router monitor program to work with your router.

1) the url you can type into the browser to end up straight at the page containing sync speed, SNR, Line attenuation etc
2) default username and password

And post a file containing the HTML that gets displayed but make sure it does not have any personal info in it such as phone number or password.

If you want to do the same with the statistics page that shows the bytes / octets transmitted and received I can do a full job :)

[m0rph3us]

Cheers for the offer Matt, but I've got "routerstats" which does just that, it's even got a web front end so you can have a look in realtime at the stats history, in fact I'll set it up and PM you the URL


regards


m0rph3us

[m0rph3us]

Just for info

http://extremescene.co.uk/pics/downstream.jpg

regards

m0rph3us

[matt]

YUK !

You are constantly losing 6db of noise margin. What does your upstream look like in comparison ? As its downstream the probable candidate would be local noise.

This is my connection for comparison, purple line is downstream, green is upstream.

http://www.talktalkmembers.com/forums/attachment.php?attachmentid=113&d=1204994411

[m0rph3us]

Well,

Had a visit from BT today, would have been nice if TT had told me BT were coming, sadly I was at work!

The last time the BT engineer came he did something at the local bt box and the noise on my line dissapeared for about three days, now it's back with a vengeance.

I've now had the following kit plugged in in various configurations and combinations:
9 Routers (linksys, netgear, cisco, zyxel, erricson)
11 Filters (various manufacturers)
7 DSL cables
3 Telephones

I have a constant noise margin upstream of 6db and a constant downstream noise margin of 12db,

The damn thing has just disconnected again as I type this!!!

This is now beyond a joke, I'll be cancelling next friday and claiming costs involved in trying several routers because "theres nothing wrong with the line".

I have been more than patient as I understand people have teething problems but this is just ludicrous, and considering the number of routers/filters/cables i've tried then I think I can quite safely say it's not a hardware issue. The really odd thing is, the noise only appears when a router is plugged in, before anyone asks yes I am plugged in to the test socket and no there arent any phone extensions, no there isnt a sky box/xbox/fax or anything else of that sort plugged in.

I'm now open to suggestions and to be honest it's only due to the level of support in this forum that I'm still a TT customer.

:mad:Oh and while I'm in rant mode, do something about that ****** call centre, Linksys/cisco/netgear cant damn well tell me whats wrong with the line so stop fobbing me off by telling me to call the router manufacturer, if you are technically incompetent then just admit it and stop trying to blame it on everything else!!!!:mad:

I think you need some RANT tags on this forum.


regards


m0rph3us

[spendy]

If you can't sort it Morpheus, what chance have any of the rest of us got?

[Stanislas]

Well,

The really odd thing is, the noise only appears when a router is plugged in, before anyone asks yes I am plugged in to the test socket and no there arent any phone extensions, no there isnt a sky box/xbox/fax or anything else of that sort plugged in.


At the risk of getting my head bitten off as it emerges above the parapet!!!!!
When swapping the routers did you change the cable that connects between router and test socket/filter??
Seems to be the only possible common point.......except .......mains connection - did you use extension cable or wall socket, and did you use different ones??

I know clutching at straws but if the noise only comes when you plug in a router the logic says etc etc.......

[m0rph3us]

All good points stanislas, but in answer to your question, I've tried with an extension socket, without one, with a filtered socket, without one, different ADSL cables, different filters and it's still the same no matter what.

now the only common thing is the phone line.


regards


m0rph3us

[Stanislas]

All good points stanislas, but in answer to your question, I've tried with an extension socket, without one, with a filtered socket, without one, different ADSL cables, different filters and it's still the same no matter what.

now the only common thing is the phone line.


regards


m0rph3us

Oh well was worth a try .... will make a tactical withdrawallollol
When you do get a result would appreciate hearing what it turns out to be........

[blackeagle]

If there was a partial short on the line, or a leak to ground, would that only show up with a router connected ?

The noise fades over twenty mins ? to find this out you have to listen with a phone, yeah ? Is it possible that the phone 'discharges' whatever is causing it ?

Can you plot the frequencies in use, before and during the interference, surely cisco stuff must be able to do that ?

Is your line overhead, or underground?

All random ramblings really, but straws and clutching come to mind :rolleyes::rolleyes:

[hecatae]

was broadband perfect before you moved to TalkTalk?

reason I'm asking because Opal Telecom aka CPW Networks LLU Proposition on page 6 of this (http://www.opaltelecom.co.uk/global-assets/pdf/LLU%20White%20Paper.pdf) maybe the issue.

you may have a loose or stretched cable, that the helpful BT Openreach engineer pushed back in it's slot in the exchange, which restored the broadband service.

that's clutching at straws though, as if the BT Openreach engineer believed the cable to be faulty they should have requested CPW Networks to get it replaced.

if I was BT Openreach and I was after a quick fix I'd force the cable back in the slot too, it's not my company's equipment.

[m0rph3us]

If there was a partial short on the line, or a leak to ground, would that only show up with a router connected ?This is along my line of thinking, personally I think it sounds like a capacitor somewhere randomly breaking down, I get a regular hiss and then crakles and pops similar to the sound of a failed cap in an amplifiers output stage.

The noise fades over twenty mins ? to find this out you have to listen with a phone, yeah ? Is it possible that the phone 'discharges' whatever is causing it ?Thats twenty minutes-ish after un-plugging the router, and yes thats listening with the phone. if it is a discharging cap or cap breaking down then that would almost certainly be one of the sypmtoms.


Can you plot the frequencies in use, before and during the interference, surely cisco stuff must be able to do that ?The cisco's are good, but not that good LOL, I may plug a scope in to the output stage of the phone and get it to make some random calls, hmmm might even be able to bodge an old analogue modem and record via that.

Is your line overhead, or underground?Underground.

All random ramblings really, but straws and clutching come to mind May be random ramblings but the pure logic approach has come to nothing so it looks like a bit of lateral thinking is in order.

was broadband perfect before you moved to TalkTalk?Its a new phone line, there was no line here before I moved in, the house is 3 years old.

reason I'm asking because Opal Telecom aka CPW Networks LLU Proposition on page 6 of this maybe the issue.This SHOULD! be a new cable, unless they installed the cables when the houses were built and then charged me £140 to crone down two terminals.

you may have a loose or stretched cable, that the helpful BT Openreach engineer pushed back in it's slot in the exchange, which restored the broadband service.refer to answer above :s

Some really good ideas folks, I've gone as far as knocking up a dsl cable of a non-harmonic length in case it's working as an antenna and picking up spurious rf from something....no joy, I'm pretty much out of ideas now so any suggestions no matter how far fetched they may seem are worth investigating.


regards


m0rph3us

[hecatae]

as above it could be a faulty cable connecting you to TalkTalk's hardware in the exchange

[m0rph3us]

as above it could be a faulty cable connecting you to TalkTalk's hardware in the exchangeYeah I agree, if it's not been croned down properly then it will have High resistance and would cause the interference I'm hearing + would give me the poor connection on DSL too, also that would introduce capacitance on the line so would have all sorts off odd effects.

Oh spoke to TT servidesk last night, they were going to get openreach to phone me this morning between 9 and 10, after my surprise visitor yesterday that they forgot to tell me about they decided it would be best if openreach phone me, well guess who's still waiting for a call!


regards


m0rph3us

[m0rph3us]

Still not got call from BT :mad:

[ETEE]

OK as I understand it you have a new line which doesn't work properly on BB. If you leave TT you will possibly still have trouble with a new ISP. New lines have the worst Openreach stats for faults.

You seem to have bad interference at odd intervals causing disconnections. From the graphs you supplied you need at least 15dB noise margin just to cover the spread of noise.

There are some other things to try. A "lift and shift" might give you a better line pair and if that doesn't work, perhaps a new port on the MSAN might help. Maybe Lee from Networks can tell us what has been tried so far.

[m0rph3us]

OK as I understand it you have a new line which doesn't work properly on BB. If you leave TT you will possibly still have trouble with a new ISP. New lines have the worst Openreach stats for faults.Good point, but will it take a month to resolve? and will I have to explain to several call centre opperatives that it isnt the router thats at fault.

You seem to have bad interference at odd intervals causing disconnections. From the graphs you supplied you need at least 15dB noise margin just to cover the spread of noise.It's not just odd intervals, it's most of the time, have a look at the variation in the latest one.

http://www.extremescene.co.uk/pics/downstreamnoise.jpg

[matt]

How is your upstream SNR ?

Lee i not going to be around until early next month.

We can raise it as a line fault but it looks "local" to me so I'd like to see the upstream SNR.

[m0rph3us]

http://www.extremescene.co.uk/pics/upstreamnoise.jpg

Sorry for being sooo brief, am building a couple of servers




regards

m0rph3us

[matt]

I'm being lazy too, just back from hospital and need to be off PC ASAP. Can you summarise what you have done so far and PM me tomorrow ... that is not local noise thats messing with your upstream ... assume you are in test socket.

[Pacificus]

Morpheus - your not alone with having problems - I too live in Crewe and am on the Haslington exchange - I also have been suffering a couple of months of drop outs too, most noticably when playing online with my XBOX, but I also notice it when surfing the web, some days are completly unusable, and I too am thinking of leaving TT for somewhere else, but who do you go too?!?!?

anyhow here are my stats from the router maybe it will help

Downstream Upstream

SNR Margin 14.6 16.0 dB
Line Attenuation 55.8 31.5 dB
Errored Seconds 4 11
Loss of Signal 1 1
Loss of Frame 0 0
CRC Errors 5 12
Data Rate 1696 384 kbps
Latency INTERLEAVED INTERLEAVED

[m0rph3us]

Matt,

Summary Posted



Pacificus,

I'm seriously considering swapping over to a local wireless provider, they can give me up to 35Mb 1:1 contention dedicated circuit (yeah like I can afford that) lolol but they do provide 4meg 1:5 sdsl equivalent for £50/mnth, I'll just do what I did on Marshfield and set up as a wisp and re-sell to all my neighbours via wireless. Had 20 users on that network all paying a tenner a month :D authenticating via a radius server in my loft ;)

My mum was with nildram (pipex) until they did the stealth migration to the "new resilient DNS servers" (which translated to "dumping everybody on to Tiscalis well known crappy LLU service that is full of bugs and suffers dropouts......hmmm that sounds familiar!") It looks like wireless is the way to go, you could even get a few of your neighbours together and get a business class line installed then spread the cost. Furthest wireless client we had was over 3 miles away from the access point :D:D:D:D:D:D

curious where you are now, PM me lolol



regards


m0rph3us

[Pacificus]

I notice on the TT site they say that Haslington has a maxed out circuit and that it will be 2 months before they install more capacity :(:(

I have to say upto the last couple of months I have really enjoyed the TT service, it's been pretty reliable - now though they are quickly loosing my favour...

[ETEE]

My exchange was saturated on the backhaul before Christmas and strange effects occur like sync resetting to 512kbps and many disconnections. The fault may just be overloading of the MSAN.

[m0rph3us]

Just had a look at my RX SNR again over night, after about 12 last night it stabilised down to around 14-16db, I'm thinking you may be right here ETEE, it seems to be when the exchange would be most busy (early to late evening).

If thats what it is then I may as well just cancel my phone and broadband as the exchange is saturated and no amount of openreach visits will fix that.

[ETEE]

Just had a look at my RX SNR again over night, after about 12 last night it stabilised down to around 14-16db, I'm thinking you may be right here ETEE, it seems to be when the exchange would be most busy (early to late evening).

If thats what it is then I may as well just cancel my phone and broadband as the exchange is saturated and no amount of openreach visits will fix that.

When they increase capacity though your line will whizz! When things got bad on my exchange I just didn't use broadband between 6 and 11pm.

[m0rph3us]

Today we've got.

Line attenuation RX 51db
Line attenuation TX 15.5db
Noise Margin Downstream 11db
Noise margin Upstream 3db


regards


m0rph3us

[matt]

M's issues are SNR related so not related to backhaul though.

his SNR varies wildly which points to local noise but his upstream varies wildly too which kind of eliminates it unless the local noise is monster.

The fact he is hearing the ADSL on the voice line doesn't sound right though. Need to get to the bottom of why that happens.

[matt]

I notice on the TT site they say that Haslington has a maxed out circuit and that it will be 2 months before they install more capacity :(:(

I have to say upto the last couple of months I have really enjoyed the TT service, it's been pretty reliable - now though they are quickly loosing my favour...

The backhaul issues caught everyone by surprise. The sudden increase in traffic from services like iPlayer threw planning out the window. A lot of these circuits have been planned for a while but suddently the delivery dates which were ahead of schedule are suddenly far too late.

CPW Networks have been revamping their backhaul monitoring to try and eliminate this happening again.

if they could have the backhaul online now they would but it takes time for the carriers to make it available. GigE lines don't grow on trees :(

Just looked at your line and you are on a 15db profile at the end of a 4.2km cable. You might be able to eeek a little more speed out of that line.

[Pacificus]

how do I "eek a little more speed from my line"??

when they add more capactity will my connection return to normal, according to the list I looked at yersterday it is 2 months ago, 2 months and no gaming? seems a bit harsh..

4.2km - wow I new I was a distance, but when you put it in writing :eek:

the 15Db I esume is my SNR reading? is it the upstream and the downstream?

looking on my router it currently shows - upstream of 16 (steadish) and a downstream of around - 14.6 - 15.4 - what should it be?

anyhow thanks for looking into this for me - I appreciate it.

[ETEE]

how do I "eek a little more speed from my line"??

looking on my router it currently shows - upstream of 16 (steadish) and a downstream of around - 14.6 - 15.4 - what should it be?



You ask 2nd line to adjust your downstream target noise margin to 6dB. If you get disconnections back it off to 9dB or 12dB.

You should see a faster sync rate which should translate into a faster download when exchange capacity is increased. :cool:

[matt]

The dropping SNR is between the MSAN port and the router and can be nothing to do with backhaul. Cross talk from ADSL -> Voice is nothing to do with backhaul either.

When you get congestion then you get odd things like voice clipping for everyone on the exchange and slow down across the exchange.

I am arranging a tie pair swap right now at the exchange so stay posted.

[matt]

how do I "eek a little more speed from my line"??

when they add more capactity will my connection return to normal, according to the list I looked at yersterday it is 2 months ago, 2 months and no gaming? seems a bit harsh..

4.2km - wow I new I was a distance, but when you put it in writing :eek:

the 15Db I esume is my SNR reading? is it the upstream and the downstream?

looking on my router it currently shows - upstream of 16 (steadish) and a downstream of around - 14.6 - 15.4 - what should it be?

anyhow thanks for looking into this for me - I appreciate it.

Create a seperate thread and ask someone to drop your profile to a 12db or a 9db. This will increase your sync, you can go all the way down to 6db but you need to find a stable profile.

I can't do it as I am on a mobile, I have a feeling support will be thin on the ground for the next few days as everyone is heading home.

[hecatae]

The dropping SNR is between the MSAN port and the router and can be nothing to do with backhaul. Cross talk from ADSL -> Voice is nothing to do with backhaul either.

When you get congestion then you get odd things like voice clipping for everyone on the exchange and slow down across the exchange.

I am arranging a tie pair swap right now at the exchange so stay posted.

tie pair swap = cable swap?

[matt]

m0rph3us,

Speaking to BT Openreach and CPW Networks regarding this and they want to contact you to talk the possible solutions over.

Could you PM me an alternative contact number ?