Re: [gentoo-user] network transfer speed

[Hogren]

On 15/01/2021 09:34, Raffaele BELARDI wrote:
>
> ST Restricted
>
>> -----Original Message-----
>> From: Hogren <hogren@×××××.com>
>> Sent: Friday, January 15, 2021 08:50
>> To: gentoo-user@l.g.o
>> Subject: Re: [gentoo-user] network transfer speed
>>
>>
>> On 15/01/2021 07:56, thelma@×××××××××××.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