Thought I'd give an update...
Second engineer visit - unable to fix but could quite easily see that full speeds are available to me, but when it comes to Seafile, only if I use a VPN. Engineer couldn't explain. Next visit is from someone in Openreach. Next week...
A neighbour, ten doors down from me (we live in a long cul-de-sac), allowed me to test his BT wifi. He has the 900 package, whereas I have the 500.
Testing now on a laptop...and at home I am experiencing exactly the same issues as I did on two desktops and my phone. Turn on VPN and laptop download speed from server is back to max. So...all the same.
At my neighbour's house, without the VPN, I was seeing 50MB/s (average) and with the VPN switched on around 90MB/s.
So what is going on here?
See message 15.
Do a tracert to the server via both methods of connection and compare.
Thanks. Did look at that a few days ago, but got a little bit lost.
Maybe lack of knowledge but I'm struggling to run a tracert using VPN or not.
I have the IP address (and "logged in" on the website version so I know it's working) but tracerts just show "non-existent domain" or DNS request timed out.
Update on my situation...
Had an Openreach engineer come out - my third engineer. Couldn't find any issue either.
Took my laptop to a neighbour, a few doors down... He's on BT 900Mbps. Didn't experience any issue with downloading from the server, with and without VPN switched on.
So "throttling" only happens at my house, with a second router, and three engineers saying the connection is fine.
How is your device connecting to your hub, by WI-fi or Ethernet?
If by Wi-fi, have you checked that the 'Wireless Mode' setting in your hubs advanced wireless settings is set to Mode 1
If it does it on both Ethernet and wireless, have you checked that the 'Full Fibre (FTTP) Mode' softswitch (advanced Broadband Settings) is set to ON
What is your upload speed, as a poor upload speed will affect the download speed, as received packets will not be acknowledged quick enough?