topic Re: Speed reset in Broadband

Speed reset

BigHeadSmith — Mon, 07 Mar 2022 23:26:22 GMT

At the beginning of 2020 I had speeds of approx 75/18 constantly.

At some point in 2020 the cable from my wall socket to my router get damaged slightly so that I had several disconnects per day for a week or so.

I finally replaced the cable but the max speed I get in speed tests is now around 62/15.

Whilst not awful, it would be good if there is anything that can be done to reset my line to give the higher speeds I was receiving before

Re: Speed reset

adamwalker — Wed, 09 Mar 2022 09:33:45 GMT

Hi there @BigHeadSmith I've just taken a look into this for you and can see DLM has already started to increase to 72.6mbps on the downstream so I've updated the profile on your account to match that.

Re: Speed reset

BigHeadSmith — Wed, 09 Mar 2022 10:25:49 GMT

Hi @adamwalker

Thank you for the quick response.

Will I need to rest my modem or wait a few days?

Re: Speed reset

adamwalker — Wed, 09 Mar 2022 13:13:52 GMT

Hi there, no worried and no there's nothing you'd need to do on your side. Please give me a shout again if you're not seeing any change on your side.

Re: Speed reset

BigHeadSmith — Sun, 13 Mar 2022 16:55:18 GMT

Unfortunately I've seen no difference.
Rebooted everything to be sure, but no change

Re: Speed reset

Gandalf — Sun, 13 Mar 2022 19:48:00 GMT

I've taken a look into this for you and I think a throughput of 62mbps is about right for a sync speed of 72mbps, because there's what's known as retransmission enabled on your line in a high state, which is a form of error correction.

This would push your throughput down to a little lower to what it would normally be. The full profile is "Downstream: 0.128M-80M3dB with Retransmission (High). Upstream: 0.128M-20M with no error protection"

We can't manually adjust the settings of a fibre connection, but the dynamic line management (DLM) software should hopefully remove retransmission over the coming weeks if your line remains stable, though I can't guarantee it.

Re: Speed reset

BigHeadSmith — Tue, 15 Mar 2022 13:18:01 GMT

Thank you again.
Assuming there are no issues with the line, is it possible to force DLM to remove the retransmission error correction if it is not removed automatically?

Re: Speed reset

Gandalf — Tue, 15 Mar 2022 15:55:58 GMT

Unfortunately we aren't able to manually remove retransmission or error correction from a fibre line.

This would be solely handled by DLM. I can however change the stability profile from 'Stable' to 'Speed', which should influence DLM's decision making to prioritise speed at the potential expense of stability.

If you're happy for me to make this change, let me know.

Re: Speed reset

BigHeadSmith — Tue, 15 Mar 2022 20:49:12 GMT

Yes please change to speed.

Re: Speed reset

SammyM — Wed, 16 Mar 2022 17:46:06 GMT

Thanks for getting back to me, I really appreciate it.

I have placed this request through and will update the profile tomorrow. It can take up to 14 days for DLM to make the changes so please let me know how it goes.

Re: Speed reset

BigHeadSmith — Thu, 17 Mar 2022 13:49:37 GMT

Thank you. I will monitor and check back in a few weeks

Re: Speed reset

BigHeadSmith — Fri, 15 Apr 2022 07:32:28 GMT

There does not appear to be any change over the past few weeks

Re: Speed reset

LaurenB — Fri, 15 Apr 2022 10:39:50 GMT

Thanks for getting back to us @BigHeadSmith, I'm sorry you haven't seen a change. I have tested your line today and this shows that you're now on a speed profile, though can still see that retransmission is high. As mentioned we're not able to amend this I'm afraid so may just be a case of monitoring further.

I'm really sorry about that.

Re: Speed reset

BigHeadSmith — Tue, 28 Jun 2022 18:08:55 GMT

Good evening. Is someone able to check my line?
I ha e a speed test which runs every hour and up until 2 weeks ago it was consistently 60mbps down and 14mbps up without fail.
Upload is unchanged but download os erratic throughout the day quite often hitting 4-5mbps when we are out at work and there should be no activity on my network

Re: Speed reset

jab1 — Tue, 28 Jun 2022 18:16:29 GMT

@BigHeadSmith Sounds like you have a problem! Quickest way to check is the auto-bot: https://www.plus.net/help/report-a-problem/broadband/

Re: Speed reset

adamwalker — Wed, 29 Jun 2022 07:45:52 GMT

Hi @BigHeadSmith

I've just been having a look into this for you, line tests don't show any obvious issues, as I can't see that this has been covered are you noticing these issues when connected over WiFi to the router or is it over a cabled connection?