BT congestion and peering issues?

Hi there,

I have noticed some slowdown issues with my BT/EE network over the past 3 weeks. Specifically, I have a 1600 Mbps connection. When I run a speed test using Fast (Netflix), the speed gets stuck at ~500 Mbps (Wired connection via the 2.5G port). I ran similar tests using different Speedtest servers. On some servers, I was able to reach maximum speeds. On some others, speed gets captivated again. I then used a VPN and was able to see full speeds on Fast[.]com, so does that basically confirm the issue lies with the BT core network?

I had hoped they would resolve the issue by themselves. Two weeks have passed, and the problem is still. I’m essentially unable to reach a "technician" during working hours as I need to work as well. Customer service just keeps repeating the script and offers no help. It's really annoying and ends up wasting my time.

I would like to ask if someone else in East London have noticed similar issues? If this weren't a problem with my internal network, I might spend 2 hours calling them next week...

Can you test with any other machines and if so make absolutely sure that the link speed of the device your testing with has > 1 Gbps wired connection (ie 2.5, 5 or 10 Gbps) to the router.

Run some further speed tests to this site, rather then fast.com. Also consider testing using the Download Test Files using another tool, and calculate your speed from there, again to confirm it’s not a browser or another software issue on your side.

I'm in Herts on EE 1.6Gb and have none of those issues

Same results. I have also tested on the ThinkBroadband site, tbbx1, only 20.7 Mbps and 187 Mbps down, 121 Mbps up. So there is definitely a problem. The larger file download site does not work for me. I use cloudflare.com to test, the speed over 1Gbps+ but 0.2% packet loss. YouFibre server on Speedtest can reach 1.6 Gbps.

So, today I have a bit of time, I found the EE router in the storage room (perhaps I shouldn't be posting in the BT sub-forum, but essentially it's the same network—forgive me). Same test results, I downloaded the EE mobile app and ran a test; it detected an issue with their network, so I went ahead and booked an engineer visit for Monday. I suspect the problem is something about the fibre attenuation in PON. BTW, the ONU is actually on green lights.

I will wait for the engineer to arrive and see what he has...

Thanks for the information. I’ve already booked an engineer visit via the app. It went smoothly than I thought. I didn't even have to go through customer service.

In reply to a post by Otuuu:

Same results. I have also tested on the ThinkBroadband site, tbbx1, only 20.7 Mbps and 187 Mbps down, 121 Mbps up. So there is definitely a problem. The larger file download site does not work for me. I use cloudflare.com to test, the speed over 1Gbps+ but 0.2% packet loss. YouFibre server on Speedtest can reach 1.6 Gbps.

So, today I have a bit of time, I found the EE router in the storage room (perhaps I shouldn't be posting in the BT sub-forum, but essentially it's the same network—forgive me). Same test results, I downloaded the EE mobile app and ran a test; it detected an issue with their network, so I went ahead and booked an engineer visit for Monday. I suspect the problem is something about the fibre attenuation in PON. BTW, the ONU is actually on green lights.

I will wait for the engineer to arrive and see what he has...

Can you spin up a BQM to your router please and post up the results?

In reply to a post by jpm:

I'm in Herts on EE 1.6Gb and have none of those issues

I ran the same for the past two years (just moved to Aquiss 1.8) and likewise had no performance issues.

Looks like it maybe a localised issues for the OP. If we’re able to see the BQM any packet loss should be self evident. Hopefully.🤞

Thanks. I just set one up, let's see what happens. The only thing I can't figure out is if the issue is PON, why are there have different results in different speedtest servers. Hopefully, it's just localised issues. We live in an MDU flat, my neighbours are mostly using Hyperoptic, they don't seem to have any issues when I ask.

I just ran the speedtest in the EE app and only got a download speed of 36 Mbps. Frankly, our family of four didn't notice any problems with it until recently, when we started playing online games and saw packet loss. It can even reach speeds of 1.6 Gbps when downloading games on Steam.

I used their 900 Mbps service for a while previously, and it was very very stable. This connection was installed after I moved earlier this year. Hopefully, it will be sorted soon.

No worries. You can post a simply link to your anonymous ‘live’ BQM graph using ‘Share Live’ button.

https://www.thinkbroadband.com/broadband/monitoring/...

There is a red line shown in the graph, where I unplugged the fibre and plugged it back in. The problem seems to be resolved. Speed ​​tests back to full on websites.

The clip on the fibre connector was broken by the previous engineer.
https://files.catbox.moe/z1qsgd.JPG

It likely bumped against other items in the utility room, causing shifting or rotating... I will ask the engineer to splice on a new fibre connector for me.