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Fibre has become very slow, help please

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11 REPLIES
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jaheni
Conversation Starter

Hi

 

  1. Again my fibre medium has become slow running normally between 5-8meg speed. I tried the usual stuff restarting, checking wires etc.this below is what I see on the modem. My usual speed has been between 20-24meg speed! What might have happened? 
79.79.79.80

Line Quality

 

Upstream line rate (kbit/s):
4996
Downstream line rate (kbit/s):
15000
Upstream noise safety coefficient (dB):
6.4
Downstream noise safety coefficient (dB):
10.9
Upstream interleave depth:
0
Downstream interleave depth:
0
Line standard:
VDSL
Upstream line attenuation (dB):
0
Downstream line attenuation (dB):
0
Upstream output power (dBm):
-0.6
Downstream output power (dBm):
-0.6
Downstream interleave depth:
 
Community Team

Hi jaheni,

 

I'm sorry to hear this. I've run a test on the line which hasn't detected a fault. Is the voice service ok? Are you experiencing any noise on the line?

 

Thanks

 

jaheni
Conversation Starter

Hi, Michelle

No noise I'm aware of. Voice calls work fine. But the speed drop too much for fibre. I lm sure I even have the latest firmware on my modem too. But if there's one streaming something like BBC I player it cant cope much with other users.

Wonder why the line rate is 15000....

Community Team

Hi jaheni,

 

Thanks for confirming this. Does your master socket have a test socket? If it does have a test socket then would it be possible to connect the router at the test socket so we can see how the connection stats compare?

 

Thanks

 

jaheni
Conversation Starter

Hi master socket is ok. Im afraid speed still no acceptable for fibre. Yesterday was about 13meg. we had it over 20 before!

 

Why is the line speed 15000... has the download speed been restricted somehow by Openreach?

Thanks

Community Team

Hi jaheni,

 

Yes, the line management system (DLM) has restriceted your sync speed to 15Mbps, which is within the predicted range for your line. DLM moves you to a slower profile because the connection is unstable on faster profiles and/or the error count is high.

 

If the connection remains stable with a low error count then DLM should move you to a faster profile 

 

Chris

 

jaheni
Conversation Starter

Thanks for the reply.

 

The speed was much better before. This is really slow speed for fibre! I have no idea where errors could come from - Openreach installed a new wire and socket last year and the router should have the latest firmware. My speed is average from 5-13mb the past few days.

 

To compare this is BT's own prediction for my address, which should be accurate +/- 2mb.

 

Fibre broadband

Download Speed:

26Mb-38Mb

Estimated download speed range*

Minimum Speed:

22Mb
Community Team

Hi jaheni,

 

I've re-checked the connection stats and the sync speed hasn't increased since our last post. Do you have an alternative router that you could test with to see how the sync speed compares?

 

Thanks

 

jaheni
Conversation Starter

Hi. Ive been looking for, but not able to find another fibre router Im afraid! :(

Community Team

Hi jaheni

 

I can send a replacement router for testing, would you like me to arrange this?

 

Thanks

 

Debbie

jaheni
Conversation Starter

Dear Debbie

 

I managed to find another fibre router to trial, but both were hitting about 12 mb download speeds last night.



Not very happy bunny as this is more like normal broadband speed, not fibre Im paying for

:(

Community Team

Hi jaheni,

 

Thanks for trying this. Is the alternative router still connected at the moment as it can take DLM between 24-48hrs to make changes to the speed if the connection remains stable and the errored seconds are low?

 

Thanks