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For the CRC errors, you will get more on VDSL2, that's normalHzSamer wroteI checked the speed before from the task manager and tested it on http://speedtest.tele2.net with IDM
The link you shared didn't reach more than 16mbps.
And my modem is TPlink TD-W9960 which is very basic one. I don't have such option like the Asus.
Do you think the CRC errors are high? On ADSL they were less than 100 and now are reaching 1800 in one hour.
https://i.imgur.com/RBXK4uD.png
I was getting around 2000 to 3000 during 1 day.
However, since the lock-down i am getting around 5000 per hour sometimes especially from noon till 7pm and then not more than 20 per hour max. (SNR is stable and above 8, i even tried to sync at lower speed and increase the SNR but the CRS errors weren't affected at all). I think it is a problem at the centrals (Mazraa Co) because there are too many people using the internet and talking and cross-talk are affecting the errors.(the connection is till stable and downloads speed aren't affected).
To put things into perspective, during new year eve, i got around 14000 CRCs per hour. Then on the first day of 2020, things were normal again.