Why do sites break when connecting to the Internet via ethernet?

Question

Computer networks

Good evening, habr.

Faced such a problem, when connecting the Internet to a computer via a wi-fi adapter (ethernet goes to the router), the Internet works perfectly (Rostelecom Internet), but as soon as I connect the ethernet cable directly to the computer (while removing the wi-fi adapter) some sites break down (in particular, google drive), icons are not displayed normally and part of the functionality of some sites does not work.
And I tried to connect the cable to another computer, the same thing happens.
Determination of ipv4 costs dynamically
DNS tried to set Google's, but it still doesn't work
Maybe someone has come across a similar one and is there a solution to this problem?

Answer 1

You can try to reduce the MTU for a wired connection. To start before 1280