Why can the reception speed drop in Debian?

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parallel47adm2019-10-31 14:29:55

linux

parallel47adm, 2019-10-31 14:29:55

Debian 9
Two network interfaces:
Intel I210 Gigabit Network
Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
Direct ethernet to optical media converter.
It doesn't matter where the Internet is plugged in, after a reboot everything is fine - 200 Mbps,
in a day - 45-50 Mbps.
Where could be the problem?

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2 answer(s)

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parallel47adm, 2019-11-01
@parallel47adm

Lord, I'm sorry.
The reason turned out to be banal and shameful: One of the server's users was not stabbed to death, and just ate a lot.

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DDwrt100, 2019-10-31
@DDwrt100

What type of reception? the user downloads something, or an application like FTP to which something merges?
How do you determine that the speed has dropped?