我在家里使用华硕 z490 strix e 和 Linux ubuntu 桌面 20.04，我家里有 3 台电脑，2 台 Windows，速度为 1Gbps，但我不知道为什么我的 ubuntu 桌面无法达到 1Gbps。我的 netgear 路由器在 LAN 端口附近有一个橙色指示灯，该 LAN 端口连接到我的 Linux 计算机，这表明与 ubuntu 桌面的连接出现了某种问题，其他计算机是白色指示灯，因此没有连接问题。
我尝试阅读一些网站并在谷歌上搜索有关这个问题的信息，但到目前为止它们都对我不起作用，我不知道下一步该怎么做。
以下是来自 Linux 桌面的一些信息
请帮我
$ lshw -class network
WARNING: you should run this program as super-user.
*-network
description: Wireless interface
product: Wi-Fi 6 AX201
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
logical name: wlo1
version: 00
serial: d8:3b:bf:1f:d8:03
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-48-generic firmware=48.4fa0041f.0 ip=192.168.1.9 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: iomemory:400-3ff irq:16 memory:4012114000-4012117fff
*-network
description: Ethernet interface
product: Intel Corporation
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
logical name: enp4s0
version: 01
serial: d4:5d:64:d1:f3:48
size: 100Mbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=igc driverversion=0.0.1-k duplex=full ip=192.168.1.14 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:16 memory:91100000-911fffff memory:91200000-91203fff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
$ uname -sr
Linux 5.4.0-48-generic
$ modinfo igc
filename: /lib/modules/5.4.0-48-generic/kernel/drivers/net/ethernet/intel/igc/igc.ko
version: 0.0.1-k
license: GPL v2
description: Intel(R) 2.5G Ethernet Linux Driver
author: Intel Corporation, <[email protected]>
srcversion: A3A387D8D54D40691E20DB3
alias: pci:v00008086d00003100sv*sd*bc*sc*i*
alias: pci:v00008086d000015F7sv*sd*bc*sc*i*
alias: pci:v00008086d000015F8sv*sd*bc*sc*i*
alias: pci:v00008086d000015F3sv*sd*bc*sc*i*
alias: pci:v00008086d000015F2sv*sd*bc*sc*i*
depends:
retpoline: Y
intree: Y
name: igc
vermagic: 5.4.0-48-generic SMP mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 69:0F:B2:8C:24:82:6C:28:AB:28:F7:D2:E5:B8:D0:0B:2C:EF:1F:87
sig_hashalgo: sha512
$ ethtool -i enp4s0
driver: igc
version: 0.0.1-k
firmware-version:
expansion-rom-version:
bus-info: 0000:04:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
[ 6.941596] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[ 9.105844] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Down
[ 9.908654] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[ 12.069656] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Down
[ 13.436485] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[ 15.597640] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Down
[ 16.488485] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[ 18.649627] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Down
[ 19.592486] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[ 21.753652] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Down
[ 22.584508] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[ 24.745655] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Down
[ 24.860494] igc 0000:04:00.0 enp4s0: igc: enp4s0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX
dmidecode -s bios-version
sudo: /etc/sudoers.d is world writable
0403
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: ASUS
Product Name: System Product Name
Version: System Version
Serial Number: System Serial Number
UUID: 07bbd1a8-1a13-d340-b6f7-d45d64d1f348
Wake-up Type: Power Switch
SKU Number: SKU
Family: Default string