[ Cloud Router Switch Series ] - packet loss in all devices

Hello, I have a question if anyone can check whether at home also have packet loss on devices such as: Cloud Router Switch
We noticed that the cable and the sfp have packet loss of 1% to 2%
The problem is only devices of this type, the other has no such problems, 0% losst.

tested on the desk.: network topology:
192.168.1.37 RB750U → LAN → 192.168.1.2 CRS125-24G-1S → FSP → 192.168.1.6 RB2011LS

test1
bandwidth test RB750 80/80M → RB2011LS


test2
bandwidth test CRS125-24G-1S 200/200M → RB2011LS


test3
bandwidth test RB2011LS 80/80M → RB570


test4
bandwidth test RB2011LS 200/200M → CRS125-24G-1S


test5


test6
192.168.1.37 RB750U → LAN → 192.168.1.6 RB2011LS FSP → 192.168.1.2 CRS125-24G-1S
bandwidth test RB750 80/80M → CRS125-24G-1S




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