Am I going to be unhappy ?
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Re: Am I going to be unhappy ?
21-05-2012 5:34 PM
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Back to ten past one. Any idea what may have been going on around then, did you use the phone, and electrical equipment in use that may have caused a spike or burst of noise?
Re: Am I going to be unhappy ?
21-05-2012 5:55 PM
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I am getting the feeling you are leaning towards electrical interference as a serious contributor but again, not a thing has changed since I was with AOL right upto 20th April. The fridge and freezer would kick in, the washing machine would run, the phone would ring, Sky would be on same time as PC etc. I understand things can change but I do not believe that much in coincidence, that my DL transfer speed has only been effected since I have had replacement ISPs and routers. The only difference has been those two factors plus a more relative factor of being on a stabilsation/training period. BT would not act, but thankfully PN are responding magnificently. My albeit brief experience with the settings going to IP 1 mbps and DL of 0.93 indicates to me that my line is capable of achieving the same kind of results as with AOL......but maybe that is just me clinging on to hope ! I discount peak times as I am paying for a no reduction at peak times premium. I am seriously looking at the router as a potential difference, but again, I am just not qualified to know for sure and maybe leaning that way due to the fact that I know it DID work well.
Re: Am I going to be unhappy ?
21-05-2012 6:35 PM
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I'm not especially leaning towards electrical interference, I just haven't been ruling it out, because as yet we've had no other identifiable cause of the problems, and as you accept, things can change. A change of ISP on the same exchange equipment and wires will not be the reason, but as you rightly point out the other change is the modem/router. It's unusual, but it does happen, for a new modem/router to be/go faulty or just not perform as well as another one.
It could just be that a particular combination of modem/router, long line and exchange equipment give an unstable or poor performance. This is not unheard of, and you may just be unlucky that this may be the cause. The new modem/router may be more sensitive to spikes or line noise. It's a process of elimination and can be somewhat tedious, annoyingly.
There's one thing you could do which will help with all future graphs, every time you start RouterStats and now if you wouild, can you maximise it's window - the screen captures will be bigger and show more detail.
There are 3 or 4 things that perhaps we can move forward with.
First, as you've changed the filter, we can see what difference that makes - first to this end especially as we've had a resync, can you post another Bitloading Bits/tone graph.
Second, can you leave Routerstats running this evening until as late as you can, midnight-ish would do, it will give a better feel for how you line is behaving and it's quality.
Third, tomorrow morning early-ish can you start Routerstats and leave it running as long as you can.
Fourth, have a look for the latest standard firmware for your Netgear and down load it. Don't disconnect the new modem/router or anything else yet. We need to see if things will improve as they are.
Re: Am I going to be unhappy ?
21-05-2012 6:56 PM
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Re: Am I going to be unhappy ?
21-05-2012 7:20 PM
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I see you get a very strong Radio 4 lLW signal where you are, there is also something quite strong around the 300 kHz frequencies as well.
Re: Am I going to be unhappy ?
21-05-2012 7:50 PM
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Re: Am I going to be unhappy ?
21-05-2012 8:14 PM
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There are two other badly reduced bits/tone, one around 302kHz and the other around 319kHz.
It won't be any of the items you mentioned and you would need a lot of tin foil for your long line to the exchange
Re: Am I going to be unhappy ?
22-05-2012 8:02 AM
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Re: Am I going to be unhappy ?
22-05-2012 10:55 AM
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Any comments?
Re: Am I going to be unhappy ?
22-05-2012 11:42 AM
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Actually not unfortunately we don't want unexpected drops and resyncs.
Quote RX Sync has and is a constant 1120 (unfortunately)
Apart from maybe a slight line imbalance that's causing strong pickup of the Radio signals I mentioned before, so far the line doesn't seem too bad.
I don't imagine the Router log entries are anything of significance other than the fact there was a sync change. Click on the Green "i" button to see what info it gives. I don't use that router so I can't be certain.
What';s the current noise margin graph looking like?
Re: Am I going to be unhappy ?
22-05-2012 12:17 PM
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I have clicked on the green " i " in the Router Event log but it does nothing. I also note there was an exact same incident..xDSL linestate down... at 16.16hrs which was when I changed filter. That incident is to be expected but not the first one as I had done nothing.
Latest Noise graph attached.
Re: Am I going to be unhappy ?
22-05-2012 2:11 PM
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Does it work with a Netgear router as it did with the Technicolor?
Re: Am I going to be unhappy ?
22-05-2012 2:42 PM
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Re: Am I going to be unhappy ?
22-05-2012 4:44 PM
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Note my Download connection speed on the router is at 1344kbps, would have thought this would have enhanced my download transfer speed ?
Got your PM thanks, so the posts will await your return.
Thanks
Re: Am I going to be unhappy ?
22-05-2012 8:44 PM
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Try the BT speedtester again, as the Line is still in training I would have expected the IP Profile to have picked up by now to 1Mbps, if not give it time. Check the Current Line speed at the member centre as well.
The spike down to zero at about 1630 appears on both graphs and as the sync speed was exactly the same, it looks like it is what is called a "polling issue" - either the router or cpu was busy when RouterStats wanted data and couldn't get it. You can confirm a resync didn't occur by looking at the Router Stats page, the WAN and LAN Up Times should still be 24 seconds apart.
If you go onto the Graphs tab - Common Settings tab - make sure the "Pause graphs when router doesn't respond" box has a tick in, and then click Apply & Save.
Whilst you are on the Graphs tab, go the the Y-axis Limits & Colours and Adjust the Rx Noise Maximum value to 10 and the Rx Sync Speed Maximum value to 2000. Then Click on Apply & Save.
The only thing I'm not so keen on is the Noise spikes down to 3db and the periodic steps down to 5 dB, but as long as there aren't loads of errors, we'll just see how things go for a while.
Edit: On the Graphs tab - Extras tab check that the Plot average Rx noise margin value of the previous ... has a tick in it. Click Apply & Save.
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