@Joseph-TP Unfortunately I have DSL , well actually VDSL , yes I saw there are many of your wireless routers that support SMB2 , but for some reason none of the Modem versions have SMB 2 support ,...

I have a VR900v2 that is an ADSL modem router , is there an upgrade ADSL Router for this in the VR range or similar ? I need SMB 2 compatability for Win 10 / 11 though as there is no FIRMWARE update...

@andyb68 No Laptop , just a line box tester means he wasn't a BT Broadband Engineer , unfortunately its rare to get them even though most issues are broadband related nowadays , but its cheaper to...

Did he connect his box to your line and test for errors , unfortunately most engineers are line engineers and NOT broadband engineers , and YES there is a big difference . The broadband engineers can...

Line errors. What is a normal PING for you ?

I have edited my last post to add info. Get an OOKLA test done and see what the difference is especially PING . Actual rate HAS to be less than Max rate so something is reading wrong.