Erratic U/S SNRM and resulting DLM interventions
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- Re: Erratic U/S SNRM and resulting DLM interventio...
Re: Erratic U/S SNRM and resulting DLM interventions
14-02-2019 6:25 PM
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@EmilyD Ticket 187479685 was raised this morning.
Re: Erratic U/S SNRM and resulting DLM interventions
14-02-2019 6:37 PM
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I think it's unlikely that it's the DLM constantly changing the target SNRM. Something's faulty which is causing large changes in speed and SNRM.
Re: Erratic U/S SNRM and resulting DLM interventions
14-02-2019 6:40 PM
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You could well be right, @ejs - but whatever it is does not appear to be my side of the master socket - might be a tad difficult to trace.
Re: Erratic U/S SNRM and resulting DLM interventions
15-02-2019 8:31 AM - edited 15-02-2019 8:34 AM
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I think someone is intentionally trying to make me out to be an idiot.
Since raising the fault yesterday, my plots have been as shown below - not steady, but the router has not been disturbed by a re-sync.
Having said I didn't see anything odd, I notice what looks like a DLM intervention around 17.10,19.49 and 23.20 last night - can PN see anything in the RADIUS logs around then? I was out for the first two, and in bed for the third.
NOTE to the hekp team: This is exactly why I am reluctant to involve OR - they will come and check, find nothing wrong, and I get landed with a NFF charge.
Re: Erratic U/S SNRM and resulting DLM interventions
15-02-2019 8:53 AM
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Just had a further re-sync at 0845, but the SNR and connection speed have held.
Anyone got any ideas what the (bleep bleep) is happening?
Re: Erratic U/S SNRM and resulting DLM interventions
15-02-2019 12:16 PM - edited 15-02-2019 12:17 PM
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Hi John, I've picked up your fault ticket 187479685 and I've added a reply. Let us know once you've updated it and we'll book the engineer appointment in as soon as we can so this can be further investigated.
It's worth noting that if an engineer goes out and reports back they've found no fault and the problem remains unchanged then it's unlikely we'd simply charge you for the visit, it's more likely we'd just arrange another engineer. We'd also then have the option of raising an escalation with our suppliers to try to ensure that an experienced engineer is assigned.
Call out charges for engineer visits are decided after the fault investigation ends, usually within 90 days as we robustly defend all engineer charges before accepting them and passing part of it on to our customers where/if appropriate.
Hope this helps.
Re: Erratic U/S SNRM and resulting DLM interventions
15-02-2019 12:42 PM - edited 15-02-2019 12:42 PM
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@Gandalf Thanks Anoush. I'll update the ticket over the weekend as I have a few commitments over the next week or so which are not confirmed at the moment.
I understand your comments re: engineer charges, and appreciate them, but as I am 99% certain the problem is not my side of the master socket (see earlier comments in this thread) I hope that when the engineer comes, he has a basic understanding of what has already been done, and doesn't just go over the same ground.
Re: Erratic U/S SNRM and resulting DLM interventions
15-02-2019 2:13 PM
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Re: Erratic U/S SNRM and resulting DLM interventions
15-02-2019 8:39 PM
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@Gandalf, @EmilyD, @OskarPapa, @MasterOfReality.
Available dates/times now on the ticket.
One thing I noticed on the report included with your last response was in the 'profile' data - u/s profile 448, but data rate showing as (ISTR) 790. Could this mis-match have any bearing, or am I reading things wrong?
Re: Erratic U/S SNRM and resulting DLM interventions
16-02-2019 10:34 AM
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Re: Erratic U/S SNRM and resulting DLM interventions
16-02-2019 11:11 AM
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@adamwalker Thanks, it was just a thought.
Re: Erratic U/S SNRM and resulting DLM interventions
18-02-2019 8:11 AM
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@OskarPapa, @EmilyD, @Gandalf, or @adamwalker
I received an automated email at 01.33 this morning advising that interleaving had been turned on on my connection. To be honest, and it is also my fault for not suggesting this at the start, I am a little surprised this was not attempted earlier.
I am now more than a little concerned the OR engineer scheduled for tomorrow PM will declare 'NFF' and land me with a £65 charge, unless you can convince me otherwise. My current plot looks as below:-
Re: Erratic U/S SNRM and resulting DLM interventions
18-02-2019 12:26 PM
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Re: Erratic U/S SNRM and resulting DLM interventions
18-02-2019 1:09 PM - edited 18-02-2019 1:10 PM
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Thanks for the RADIUS log, @adamwalker.
Early days yet, but as you can see from the plot in my post above yours, the connection is looking very much more stable.
However, it now appears my upload speed has been capped at 448 - not a major issue as I do very little uploading, but still something that needs looking at, please.
As previously asked, is this 'improvement' going to mean tomorrows engineer visit is going to result in a £65 charge, because what s/he is coming to investigate appears to have been resolved?
For information, incoming phone calls are causing a very small drop in the u/s noise margin, but not affecting the d/s, and a call around 09.30 did result in a burst of 'clicking' on the line, audible to both me and the caller, but this was only for a couple of minutes of the 40 odd total call. A call around 12.40, from the same person, had no noise, but was of much shorter duration.
Re: Erratic U/S SNRM and resulting DLM interventions
18-02-2019 2:51 PM
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Hi @jab1
The upload capacity of your line is up to 1mb/s, so at around 444kb/s it's within that range - feel free to mention this to the engineer to get his/her input in terms of what your local cabinet etc is capable of. Just in terms of the engineer, I'd leave it as it is - for starters it was booked in good faith and secondly, given the other issues you've raised (phone noise etc) I'd like them to take a look to be thorough.
Let us know how you get on following the engineer visit.
Best wishes
Dave
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