Where-to when your ISPs and TDR can't help?

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Ultimate Geek
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#554605 6-Dec-2011 17:54

This will give you an example of the disconnections:
Attached file: Disconnections0.png (19 KB)
Attached file: Disconnections1.png (75 KB)

Also, here's what Slingshot sent me while I was away saying they were doing (I naturally criticized their methods immediately, for only being there a short while):
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Yes I have some information for you, which is below and some screen shots as well, this was our preliminary test, and we will be visiting and re-testing tomorrow night:
On Thursday 17th November 2011 at 16:45 hours, our technician met with the Chorus FF technician assigned to investigate frequent disconnections.
? We started investigation at the exchange where Chorus used their tools & tested the line, showing the port condition as close to perfect. Simultaneous to tests being completed by Chorus, I ran tests in wireline for comparison. The wireline tests concurred with Chorus test results showing a stable connection with good line rates.
? We then proceeded to test from the ETP. We disconnected the house from the ETP & ran the same tests with Chorus tools which reported a stable connection with good line rates.
? We then connected a Dynalink RTA 1025W modem with a laptop direct to the ETP the connection remained stable for over 30 mins plus with good line rates and a solid connection as I tested browsing from the Chorus technicians laptop.
? The attached screenshots, show line rates and a stable connection. The username we used for testing purposes was telecomtesting@jetbuster.co.nz
Attached file: Slingshot_routertest_1.png (135 KB)
Attached file: Slingshot_routertest_2.png (120 KB)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
So their details are pretty similar to mine, but because they were only there for a short while, they didn't get the chance to see the disconnections, which my Smokeping server I believe showed occurring around 9PM later that night.

Anyways, I'm not 100% sure if all the info is relevant, but hopefully you'll be able to see I've been building a pretty strong case against it being "acceptable" that the disconnections occur that often (Specifically in Disconnections1.png).

Thanks again for all the input guys, really appreciate it.

Cheers

Chill.

Ragnor

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#554607 6-Dec-2011 17:56

ChillingSilence:

Here's an except from the email from Slingshot:
- Investigated a claimed packet loss issue with Telecom Wholesale ? result was No Fault Found as a large amount of data was going over the port.
- Changed Line Profile from AM to LM at an attempt to improve line rates
- Changed Line Profile from LM to RM at an attempt to improve line stability
- Ran multiple LQD and SCE analyser tools across your line to confirm traffic and line quality.

No mention of changing to a different line card/port or re terminating the line?

ChillingSilence

301 posts

Ultimate Geek
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#554608 6-Dec-2011 17:58

No a previous tech supposedly reterminated things a while back, prior to that.

EDIT: Though no mention, and I don't recall them ever trying a different port, or line card.

Ragnor

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#554613 6-Dec-2011 18:19

FYI: Sent you a private message with an thought/idea.

ChillingSilence

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#554616 6-Dec-2011 18:23

OK thanks.

So, just curious, what do the results of that OrbMT screenshot mean for me? Mine is quite different from dhoulbrooke

cyril7

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#554643 6-Dec-2011 18:55

Hi, you scan only shows 1MHz of spectrum use, there is no use of the top end 1 - 2MHz, is the modem reporting ADSL or ADSL2+ (ie G.992.1 or G.992.5).

Cyril

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ChillingSilence

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Ultimate Geek
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#554647 6-Dec-2011 19:08

DSL Modulation : ADSL2+(G.992.5) State : SHOWTIME DS Actual Rate : 12024835 bps US Actual Rate : 1209600 bps DS Attainable Rate : 11708000 bps US Attainable Rate : 302 bps

tdgeek

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#554684 6-Dec-2011 20:52

I'm surprised with the effort going on by the techs, that they havent decided to just install a splitter, that will give them an ETP like connection to the modem. OP did say that isn't relevant as he only has one jackpoint and a filter, but I feel it is, as his in home wiring is still affecting the connection.

If it isn't the issue, and someone wants $175 payment still, you can take it that it is an investment, if they will accept that you will pay for it if it does not resolve the issue WHEN the issue is resolved?

Im still surprised that haven't just done that to 100% eliminate the home wiring. It is possible that the home wiring got a fault around the time you got ADSL2+-ed. Cracked insulation, mouse bite, etc

ChillingSilence

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Ultimate Geek
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#554687 6-Dec-2011 21:01

It's been ADSL2+ ever since I got here, but they only put us onto the Cabinet when it went live about 3-4 months ago now.

That, and I think you missed the part where I said there's a single CAT6 cable from the Demarc to the patch-panel, which has the filter, and directly into the router. Usually there's no phone even plugged in to it, we've been forwarding our VoIP line to my Cellphone.

The issue happened with the old house wiring, where there was several jackpoints around the house. It's now one brand new single CAT6 cable, and the issue persists. I'm absolutely 100% certain it's not house wiring.

The techs that have seen it, they've complimented the wiring on being the best done and tidiest they've ever seen. I'm more than happy to take photos too (Though we've got our house insulated 6 weeks ago just before we went on holiday, so they may have covered it), and show you the fine craftsmanship that went in to my friend rewiring it.

Finally, Chorus Tech's have pulled it off the demarc a few times to test their own kit, and same for at the patch panel, they've tried a different port on the patch panel and even terminating it directly in the back of the router, just to ensure it's not the house wiring.

Personally, I'm satisfied on that front ;)

ChillingSilence

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Ultimate Geek
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#554690 6-Dec-2011 21:03

Just going back to the OrbMT tool Cyril, if I choose "Auto" or force it to ADSL2+ (G.992.5), it's still the same.

tdgeek

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#554692 6-Dec-2011 21:06

Hi CS

Tks for clarification, I'd be satisfied too!

Do you have any contact with any near neighbours as to their connection? Would be valuable to know if they did or didnt have this issue, at least to look at or not look at cable commonality that exists for you all

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ChillingSilence

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Ultimate Geek
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#554694 6-Dec-2011 21:08

Front house haven't been having the issue, but they do shift-work so it's hard to check. Also, the guy who has the Cabinet on his front lawn is only syncing at 15mbps. He's fine though, no disconnections, I've got him to put a hole in his pfsense firewall and I'm smokepinging him too :)

EDIT: Ah I probably should clarify we're the rear house on a cross-leased section :)

cyril7

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#554715 6-Dec-2011 21:47

Hi, so its obviously on ADSL2+ hence the 12Mb/s, but clearly there is an issue, otherwise we should be seeing (for 12-14dB attenuation) sync more in the 15Mb/s region and clearly more bins in use.

Problem you have from here is that you exceed 10Mb/s therefore the system has met its mark, so the only issue you can play on from here is regular disconnects, best of luck.

Cyril

ChillingSilence

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#554718 6-Dec-2011 21:53

Yeah exactly. The speed isn't *too* much of an issue. I can live on it, it's a ton better than it was (10x better in face), but the fact it nightly disconnects is a PAIN, and what I ideally want resolved. Hopefully if they fix one, then the other will follow...

lucky015

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#554767 6-Dec-2011 23:41

Just a quick question, Have you noticed any Line noise at all during phone calls?

In my experience Chorus tech's seem to be a lot better at solving a few crackles on a line than outright ADSL disconnections, They seem to flog people off pretty fast once you mention ADSL.

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