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以太网连接

tag-icon • tag-icon 18.04 ethernet
以太网连接

我在带底座的戴尔笔记本电脑上运行 Ubuntu 18.04。无线工作正常，但以太网连接完全不起作用。

我尝试使用设备管理器并进行设置/etc/network/interfaces。DHCP 尝试连接但始终无法连接。事实上，这不知何故弄乱了我的 Spectrum 调制解调器。当我插入以太网电缆时，我的下载速度现在是 8 MBS。我不得不打电话给 Spectrum 让他们重置一些东西，以恢复 400M 以上的全速下载速度。这绝对与这个网络接口问题有关。我已经重复了几次了。

root@srock-Latitude-E6540:/etc/NetworkManager# lspci -nnk | grep -A2 Ethernet
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I217-LM [8086:153a] (rev 04)
        Subsystem: Dell Ethernet Connection I217-LM [1028:05be]
        Kernel driver in use: e1000e
        Kernel modules: e1000e

#/etc/network/interfaces
auto eno1
iface eno1 inet dhcp

root@srock-Latitude-E6540:/etc/NetworkManager# ifup eno1
Internet Systems Consortium DHCP Client 4.3.5
Copyright 2004-2016 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/eno1/f8:ca:b8:5c:a0:d0
Sending on   LPF/eno1/f8:ca:b8:5c:a0:d0
Sending on   Socket/fallback
DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 3 (xid=0x129e5951)

DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 8 (xid=0x129e5951)

DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 10 (xid=0x129e5951)

DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 14 (xid=0x129e5951)

DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 14 (xid=0x129e5951)

DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 15 (xid=0x129e5951)

DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 18 (xid=0x129e5951)

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