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有线以太网未检测到或不受管理

tag-icon • tag-icon 16.04 networking network-manager ethernet wired
有线以太网未检测到或不受管理

这是一个非常奇怪的情况 - 我认为由于某种原因，当我更新 ubuntu 时，以太网连接名称从 更改为eth0。我将这些更改添加到 etc/nework 文件中，并在 NetworkManager.conf 文件中进行了更改，但即使网络被识别并且似乎有一个 IP，也没有连接。以下是输出：eno1managed=true

ifconfig -a

eno1      Link encap:Ethernet  HWaddr f8:ca:b8:18:a2:65  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:20 Memory:f7200000-f7220000 

eno1:avahi Link encap:Ethernet  HWaddr f8:ca:b8:18:a2:65  
          inet addr:169.254.8.4  Bcast:169.254.255.255  Mask:255.255.0.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          Interrupt:20 Memory:f7200000-f7220000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:3304 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3304 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:261552 (261.5 KB)  TX bytes:261552 (261.5 KB)

wlp2s0    Link encap:Ethernet  HWaddr 48:e2:44:a9:9b:f5  
          inet addr:147.252.138.6  Bcast:147.252.143.255  Mask:255.255.248.0
          inet6 addr: fe80::18e8:aa01:40ec:701/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:57219 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17844 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:36931306 (36.9 MB)  TX bytes:2883308 (2.8 MB)

lspci -knn | grep Eth -A3

00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection (3) I218-LM [8086:15a2] (rev 03)
    DeviceName:  Onboard LAN
    Subsystem: Dell Ethernet Connection (3) I218-LM [1028:062b]
    Kernel driver in use: e1000e
    Kernel modules: e1000e
00:1b.0 Audio device [0403]: Intel Corporation Wildcat Point-LP High Definition Audio Controller [8086:9ca0] (rev 03)

网络管理器.conf：

[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq

[ifupdown]
managed=true

等/接口：

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet dhcp

auto eth1
iface eth1 inet dhcp

auto eno1
iface eno1 inet dhcp

答案1

连接正常吗？前段时间，ubuntu 切换到了 systemd，这一变化从命名转移到了有线连接的名称可预测。现在有线连接的名称以 开头en，无线网络的名称以 开头wl。您的以太网名称为eno1。

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