Just a basic issue I think : Since I switched a machine from Windows 10 to LMDE 4, network speed is half of the max speed; I get ~500Mb/s with LMDE instead of 1Gb/s with Windows 10. File transfers with SCP through SSH are around 45Mo/s for example in real situation, instead of around 100Mo/s previously with Windows 10. I also switched with another machine in the same cable to check and it stills working at full speed, and it is.
I took a look on params but nothing seems wrong, ETH set on full duplex 1000Mb/s, it's a basic fresh install of LMDE 4 and nothing is different on hardware since the previous setup.
Thanks in advance for any advice !
Here is some infos :
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uname -a
Linux ***** 4.19.0-18-amd64 #1 SMP Debian 4.19.208-1 (2021-09-29) x86_64 GNU/Linux
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sudo lshw -short
=================================================================
system 10MUS1MR18 (LENOVO_MT_10MU_BU_LENOVO_FM_ThinkCentre M910q)
/0 bus 310B
/0/0 memory 64KiB BIOS
/0/3e memory 16GiB Mémoire Système
/0/3e/0 memory 8GiB SODIMM DDR4 Synchrone Unbuffered (Unregistered) 2667 MHz (0,4 ns)
/0/3e/1 memory 8GiB SODIMM DDR4 Synchrone Unbuffered (Unregistered) 2667 MHz (0,4 ns)
/0/43 memory 256KiB L1 cache
/0/44 memory 1MiB L2 cache
/0/45 memory 6MiB L3 cache
/0/46 processor Intel(R) Core(TM) i5-6500T CPU @ 2.50GHz
/0/100 bridge Skylake Host Bridge/DRAM Registers
/0/100/2 display HD Graphics 530
/0/100/14 bus Intel Corporation
/0/100/14/0 usb1 bus xHCI Host Controller
/0/100/14/0/3 communication Interface sans fil Bluetooth
/0/100/14/1 usb2 bus xHCI Host Controller
/0/100/14/1/4 scsi4 storage JMS579
/0/100/14/1/4/0.0.0 /dev/sda disk 320GB EXT
/0/100/14/1/4/0.0.0/1 /dev/sda1 volume 298GiB Windows NTFS volume
/0/100/14.2 generic Intel Corporation
/0/100/16 communication Intel Corporation
/0/100/17 storage Intel Corporation
/0/100/1b bridge Intel Corporation
/0/100/1b/0 storage Micron/Crucial Technology
/0/100/1c bridge Intel Corporation
/0/100/1c/0 wlp2s0 network Intel Corporation
/0/100/1f bridge Intel Corporation
/0/100/1f.2 memory Memory controller
/0/100/1f.3 multimedia Intel Corporation
/0/100/1f.4 bus Intel Corporation
/0/100/1f.6 enp0s31f6 network Ethernet Connection (2) I219-LM
/0/1 system PnP device PNP0c02
/0/2 communication PnP device PNP0501
/0/3 system PnP device PNP0c02
/0/4 system PnP device PNP0c02
/0/5 system PnP device PNP0b00
/0/6 generic PnP device INT3f0d
/0/7 system PnP device PNP0c02
/0/8 system PnP device PNP0c02
/0/9 system PnP device PNP0c02
/0/a system PnP device PNP0c02
/1 power To Be Filled By O.E.M.
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dmesg | grep e1000e
[ 2.065753] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 2.065753] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 2.065957] e1000e 0000:00:1f.6: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[ 2.165489] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): registered PHC clock
[ 2.247819] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 6c:4b:90:1f:5b:59
[ 2.247820] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection
[ 2.247891] e1000e 0000:00:1f.6 eth0: MAC: 12, PHY: 12, PBA No: FFFFFF-0FF
[ 2.248493] e1000e 0000:00:1f.6 enp0s31f6: renamed from eth0
[ 11.333261] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 14.449762] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
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ethtool enp0s31f6
Settings for enp0s31f6:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: on (auto)