Slow Line Speed after moving to Plusnet
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Slow Line Speed after moving to Plusnet
on 14-01-2018 2:35 PM - last edited on 14-01-2018 5:24 PM by Mav
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Hi,
I've just (8 Jan 2018 ) migrated to Plusnet unlimited fibre (from BT). With BT, I was getting line speeds of about 32Mbps down and 5 Mbps up with a very stable connection. Now that the switch to Plusnet has completed, I'm getting 24Mbps down, 3.7Mbps up.
I've tried both original and Plusnet supplied cables and filters and both Plusnet one hub and BT hub (with broadband login details set to Plusnet values). Both give line speeds of around 24Mbps down.
Any ideas how I can get back to the range of line speeds I had previously with BT?
For what it is worth, WiFi is turned off on the hubs (I have a seperate WiFi solution with cabled back haul to provide WiFi). BT wholesale speed test was run over WiFi, with 801.11ac and laptop sited about 1 metre from the access point giving 866Mbps WiFi connection. The connection time from the hub, shown below, is only 12 minutes because I'd just tested the BT hub. Prior to that the connection time was almost 2 days. The line appears stable, just slow.
Thanks
Steve
Current line speed as reported by the hub
DSL Line Status
Connection Information
|
Here's the line speed from the member centre:
Phone exchange:CHELTENHAM
Estimated line speed:32Mb (This may vary between 20Mb and 32Mb) - Checked on 2017-12-20 14:35:28
Current line speed:37 Mb
BT Wholesale performance test: 24.63Mbps down, 3.36Mbps up, ping 21.38ms
1. Best Effort Test: -provides background information.
Download Speed | |
24.63 Mbps |
0 Mbps | 23.63 Mbps Max Achievable Speed |
Download speedachieved during the test was - 24.63 Mbps For your connection, the acceptable range of speedsis 20 Mbps-23.63 Mbps . Additional Information: IP Profile for your line is - 23.63 Mbps |
2. Upstream Test: -provides background information.
Upload Speed | |
3.36 Mbps |
0 Mbps | 10 Mbps Max Achievable Speed |
Upload speed achieved during the test was - 3.36Mbps Additional Information: Upstream Rate IP profile on your line is - 10 Mbps |
We were unable to identify any performance problem with your service at this time.
It is possible that any problem you are currently, or had previously experienced may have been caused by traffic congestion on the Internet or by the server you were accessing responding slowly.
If you continue to encounter a problem with a specific server, please contact the administrator of that server in the first instance.
Moderator's note by Mike (Mav): Post released from Spam Filter.
Re: Slow Line Speed after moving to Plusnet
14-01-2018 6:57 PM
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Hi, the difference could be due to G.INP or SNR that was set on the line by DLM when you was with BT there have been a few cases here from other members with similar issues when switching from BT.
Sadly for both cases it's a waiting game as it's down to DLM to re-apply the settings back on the line there is no manual options for ISP's to do it, as to how long this can take depends on DLM for some it's days others weeks, I would advice not to mess with anything further and hopefully DLM will get things back up for you sooner rather than later.
Re: Slow Line Speed after moving to Plusnet
17-01-2018 2:16 PM
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Hi Steve and welcome back.
Our tests aren't finding any issues, but it's likely it's due to the DLM as Terranova667 has advised.
It sounds like a similar case to this topic.
Sadly, we've got no manual control over DLM and as your speeds are within the estimates of your line there isn't much we can do to further investigate either. Hopefully your higher speeds return in due course.
Re: Slow Line Speed after moving to Plusnet
27-01-2018 9:46 AM
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Just a quick update. We're now almost three weeks since migration, two weeks since my initial post but line speeds are still the same - significantly lower than I was getting from BT. The line connection is stable.
Does anyone know how long the DLM algorithm waits before attempting to increase line speed? I'm expecting something in the 32-37Mbps downstream range.
Thanks
Steve
Re: Slow Line Speed after moving to Plusnet
27-01-2018 10:00 AM
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As mentioned above, there are a number of us in this same position. I have been with PN since 1st December and no signs of G.INP yet or dropping to the 3db profile. Its the waiting game
I had read where for some its taking about 2 months or even longer. There is nothing that can be done other than trying to forget about it. It should happen one day!
I do hope the policy by BT Wholesale(?) changes, ie stop erasing the DSLAM profiles when migrating from one ISP to another.
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