On 15/01/2021 09:34, Raffaele BELARDI wrote:

ST Restricted

-----Original Message-----
From: Hogren <hog...@iiiha.com>
Sent: Friday, January 15, 2021 08:50
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] network transfer speed


On 15/01/2021 07:56, the...@sys-concept.com wrote:
Hello
On both of my systems the network card speed is showing 1000
cat /sys/class/net/enp4s0/speed   1000

but when I do rsync larage file I only see about: 20 to 22MB/s On my
home network I get about 110MB/s between PC's

Both PC's have SSD  and the swith is Gigabit (I think).
How to find a the bottleneck?

20MB = 80Mb so it sounds like your network is a 100Mb network. What is the
perfs of your switch(s) between your systems ?
I disagree, /sys/class/net/enp4s0/speed shows the speed negotiated by the 
network card with the switch, it cannot be 1000 if the switch is a only a 
10/100. I think we can safely assume the network is a gigabit one.

raffaele

Yes, I thought about that after. But may be he has several switchs between the two systems.

Hogren



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