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Frequent disconnections, looks like an UPSTREAM problem though
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Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 3:42 PM
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Hi folks, this is an odd one.
Firstly, it's not my problem, but it is a PlusNet customer that I was helping this afternoon with something else and decided to have a look at his long-running broadband problem as he's not at all familiar with how it works.
If a staff member wants to PM me I can tell them more technical details and the account name so they can hopefully help progress towards a solution, unfortunately I don't have a ticket number - couldn't get online long enough to check!
He's using a Netgear DG834Gv4 router so I decided to have a look with DMT. This showed a bizarre tone graph.
Downstream was pretty normal, considering he's now on a15dB target SNRM, but upstream was very odd.
The upstream graph was low and pretty flat, with typically only 5 bits per tone. Upstream speed was only around 300kbps though I did see it once hit the magic 448.
Resyncs were frequent - typically every couple of minutes so uptime was minimal compared to uptime. This goes on all the time, not just a specific time of day.
Any thoughts anyone?
Firstly, it's not my problem, but it is a PlusNet customer that I was helping this afternoon with something else and decided to have a look at his long-running broadband problem as he's not at all familiar with how it works.
If a staff member wants to PM me I can tell them more technical details and the account name so they can hopefully help progress towards a solution, unfortunately I don't have a ticket number - couldn't get online long enough to check!
He's using a Netgear DG834Gv4 router so I decided to have a look with DMT. This showed a bizarre tone graph.
Downstream was pretty normal, considering he's now on a15dB target SNRM, but upstream was very odd.
The upstream graph was low and pretty flat, with typically only 5 bits per tone. Upstream speed was only around 300kbps though I did see it once hit the magic 448.
Resyncs were frequent - typically every couple of minutes so uptime was minimal compared to uptime. This goes on all the time, not just a specific time of day.
Any thoughts anyone?
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Re: Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 4:21 PM
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In my case it was a faulty line card but took 3 BT visits to sort it
Message 2 of 8
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Re: Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 4:40 PM
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He thinks BT have already changed the card at the exchange, but I guess they may have just swapped the tie pair or even actually done nothing....
Message 3 of 8
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Re: Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 4:46 PM
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It might be worth trying another router as there was some evidence that my Speedtouch 585 was making the problem worse
Message 4 of 8
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Re: Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 4:59 PM
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Beat you to it, some time ago in fact......
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Re: Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 5:22 PM
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... and the filter?
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) |
Message 6 of 8
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Re: Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 5:42 PM
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Tried several of different makes.
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Re: Frequent disconnections, looks like an UPSTREAM problem though
24-11-2009 8:46 PM
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Hi HP,
Drop me a PM with the details please and I'll take a look. Does sound strange.
Drop me a PM with the details please and I'll take a look. Does sound strange.
Message 8 of 8
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- Frequent disconnections, looks like an UPSTREAM pr...