我是 Linux 新手。我无法在 Ubuntu 16.04 LTS 中建立 LAN 连接。以前在 Windows 7 中可以正常使用。
以下是结果if config -a
enp0s25 Link encap:Ethernet HWaddr f0:de:f1:2c:0c:ce
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:f8500000-f8520000
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:93790 errors:0 dropped:0 overruns:0 frame:0
TX packets:93790 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8114335 (8.1 MB) TX bytes:8114335 (8.1 MB)
wlp3s0 Link encap:Ethernet HWaddr 00:24:d7:69:9f:28
inet addr:192.168.0.9 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: 2606:a000:4dc4:e300:9058:8ec2:f59e:27d8/64 Scope:Global
inet6 addr: fe80::6476:3f7c:2c08:839a/64 Scope:Link
inet6 addr: 2606:a000:4dc4:e300:72bc:fcf9:87c9:a0b1/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:225018 errors:0 dropped:1 overruns:0 frame:0
TX packets:118451 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:86856712 (86.8 MB) TX bytes:17154818 (17.1 MB)
以下是lspci
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation Core Processor PCI Express x16 Root Port (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06)
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 (rev 06)
00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 5 (rev 06)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation QM57 Chipset LPC Interface Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06)
01:00.0 VGA compatible controller: NVIDIA Corporation GT218M [NVS 3100M] (rev a2)
03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
0d:00.0 SD Host controller: Ricoh Co Ltd MMC/SD Host Controller (rev 01)
0d:00.1 System peripheral: Ricoh Co Ltd R5U2xx (R5U230 / R5U231 / R5U241) [Memory Stick Host Controller] (rev 01)
0d:00.3 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 PCIe IEEE 1394 Controller (rev 01)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)
以下是输出sudo lshw -C network
*-network
description: Ethernet interface
product: 82577LM Gigabit Network Connection
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: enp0s25
version: 06
serial: f0:de:f1:2c:0c:ce
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=0.12-1 latency=0 link=no multicast=yes port=twisted pair
resources: irq:25 memory:f8500000-f851ffff memory:f8525000-f8525fff ioport:1820(size=32)
*-network
description: Wireless interface
product: Centrino Ultimate-N 6300
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 35
serial: 00:24:d7:69:9f:28
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.10.0-32-generic firmware=9.221.4.1 build 25532 ip=192.168.0.9 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:30 memory:f8100000-f8101fff
我真的不知道如何从故障排除的角度来解释这些结果，但我将非常感谢您提供的任何帮助。
更新
抱歉，我的解释不太清楚。Ubuntu 没有检测到它已连接（即，它显示“电线已拔出”）。以太网端口灯熄灭了。
以下是 dmesg | grep -e e100 -e enp
dmesg | grep -e e100 -e enp
[ 1.253294] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 1.253294] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 1.253459] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[ 1.411004] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) f0:de:f1:2c:0c:ce
[ 1.411007] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
[ 1.411083] e1000e 0000:00:19.0 eth0: MAC: 9, PHY: 10, PBA No: A002FF-0FF
[ 1.411697] e1000e 0000:00:19.0 enp0s25: renamed from eth0
[ 20.756979] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready
[ 20.954637] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready
答案1
检测到了。它是 enp0s25。你只是没有 IP 地址。查看设置 -> 网络 -> 有线并打开 dhcp