我在使用 Intel I211 千兆网络连接的 Ubuntu 18.04 上遇到了非常慢的以太网连接。使用不同的 Ubuntu PC(具有不同的以太网控制器),相同的端口/电缆可以达到 100 Mb/s。输出为lspci -knn | grep Eth -A3
:
Subsystem: Gigabyte Technology Co., Ltd I211 Gigabit Network Connection [1458:e000]
Kernel driver in use: igb
Kernel modules: igb
输出自ethtool enp4s0
:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: Not reported
Advertised pause frame use: Symmetric
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: off
MDI-X: off (auto)
Cannot get wake-on-lan settings: Operation not permitted
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
当我将自动协商设置为开启时,它默认为半双工,速度约为 7 Mb/s(上传),将自动协商设置为关闭并全双工,我得到 12 Mb/s
我不知道如何解决这个问题,非常感谢任何帮助。