Не удается подключиться к Интернету с помощью проводного соединения

Я не могу заставить свой Ethernet-разъем работать, чтобы я мог подключиться к Интернету. Ubuntu 20.04.1 LTS. Wi-Fi подключение к тому же модему работает. Когда я подключаю кабель к Ethernet-порту своего компьютера, индикатор Ethernet загорается зеленым светом, поэтому проблема, похоже, связана с программным обеспечением, а не с оборудованием.


Команда sudo pppoeconf

возвращает следующую ошибку

Извините, я просканировал 2 интерфейса, но концентратор доступа вашего провайдера не ответил. Пожалуйста, проверьте вашу сеть и кабели модема. Другой причиной сбоя сканирования может быть другой запущенный процесс pppoe, который управляет модемом.

Я проверил, и pppoe установлен

Package: pppoeconf
Status: install ok installed

Я набрал sudo poff dsl-provider, и он сказал

/usr/bin/poff: No pppd is running.  None stopped.


ip a
results in
enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000     link/ether 2c:d4:44:92:0a:7d brd ff:ff:ff:ff:ff:ff     inet 193.987.1.235/24 scope global enp2s0        valid_lft forever preferred_lft forever     inet6 fe80::2ed4:44ff:fe92:a7d/64 scope link         valid_lft forever preferred_lft forever 

Я набрал sudo lshw -C сеть; сканирование sudo iwlist; cat / etc / network / interfaces; кот / etc / lsb-release; lspci -nn; lsusb; унаме -а; dmesg | grep ound; dmesg | grep b43; iwconfig; sudo /etc/init.d/networking restart

и он вернул

*-network                 
       description: Wireless interface
       product: Centrino Wireless-N 2230
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       logical name: wlp1s0
       version: c4
       serial: 84:a6:c8:1e:fb:2c
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-56-generic firmware=18.168.6.1 ip=192.168.1.4 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:30 memory:f1500000-f1501fff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: enp2s0
       version: 07
       serial: 2c:d4:44:92:0a:7d
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 duplex=full firmware=rtl8168e-3_0.0.4 03/27/12 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:18 ioport:3000(size=256) memory:f0404000-f0404fff memory:f0400000-f0403fff
enp2s0    Interface doesn't support scanning.

wlp1s0    Scan completed :
          Cell 01 - Address: 40:9B:CD:97:A9:DC
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=64/70  Signal level=-46 dBm  
                    Encryption key:on
                    ESSID:"Internet"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                              18 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000000011f539a15
                    Extra: Last beacon: 128ms ago
                    IE: Unknown: 0008496E7465726E6574
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C183060
                    IE: Unknown: 2D1A9C0117FFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606000000000000000000000000000000000000000000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 7F080000000100000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: 7F080000000100000000
                    IE: Unknown: 0706474220010D10
                    IE: Unknown: DDAD0050F204104A00011010440001021057000101103B00010310470010BC329E001DD811B28601409BCD97A9DC1021001852616C696E6B20546563686E6F6C6F67792C20436F72702E1023001C52616C696E6B20576972656C6573732041636365737320506F696E74102400065254323836301042000831323334353637381054000800060050F20400011011000A44534C2D33373832545410080002218C103C0001011049000600372A000120
                    IE: Unknown: DD07000C4300000000
          Cell 02 - Address: D8:47:32:86:5B:F4
                    Channel:3
                    Frequency:2.422 GHz (Channel 3)
                    Quality=28/70  Signal level=-82 dBm  
                    Encryption key:on
                    ESSID:"TP-Link_5BF4"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                              18 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=00000179ff13e18d
                    Extra: Last beacon: 2424ms ago
                    IE: Unknown: 000C54502D4C696E6B5F35424634
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 030103
                    IE: Unknown: 32040C183060
                    IE: Unknown: 33082001020304050607
                    IE: Unknown: 33082105060708090A0B
                    IE: Unknown: 050400010010
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD310050F204104A00011010440001021047001038833092309218839C77D84732865BC4103C0001011049000600372A000120
                    IE: Unknown: 2A0104
                    IE: Unknown: 2D1AEC1117FFFF000001000000000000000000000000000000000000
                    IE: Unknown: 3D1603000700000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080100000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD07000C4300000000
          Cell 03 - Address: 8C:59:73:A0:6E:A0
                    Channel:10
                    Frequency:2.457 GHz (Channel 10)
                    Quality=33/70  Signal level=-77 dBm  
                    Encryption key:on
                    ESSID:"italk-6EA0"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                              18 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000001b7fef41dda
                    Extra: Last beacon: 1436ms ago
                    IE: Unknown: 000A6974616C6B2D36454130
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 03010A
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C183060
                    IE: Unknown: 2D1AEC1117FFFF000001000000000000000000000000000000000000
                    IE: Unknown: 3D160A000600000000000000000000000000000000000000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 7F080000000100000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080000000100000000
                    IE: Unknown: 0706474220010D10
                    IE: Unknown: DDB90050F204104A0001101044000102103B00010310470010BC329E001DD811B286018C5973A06EA01021001A5A7978656C20436F6D6D756E69636174696F6E7320436F72702E1023001E5A7958454C20496E7465726E65742053686172696E6720476174657761791024000C414D47313330322D543131431042000D533138324532393030373730391054000800060050F20400011011000C414D47313330322D5431314310080002200C103C0001011049000600372A000120
                    IE: Unknown: DD07000C4300000000
          Cell 04 - Address: 80:20:DA:7C:EC:AE
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=28/70  Signal level=-82 dBm  
                    Encryption key:on
                    ESSID:"TALKTALK7CECB1"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000002359b086ea2
                    Extra: Last beacon: 992ms ago
                    IE: Unknown: 000E54414C4B54414C4B374345434231
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 0706474220010D14
                    IE: Unknown: 200100
                    IE: Unknown: 23020F00
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C121860
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B0502000D0000
                    IE: Unknown: 2D1AAD0117FFFFFF0000000000000080017800000000000000000000
                    IE: Unknown: 3D160B080400000000000000000000000000000000000000
                    IE: Unknown: 7F080400000000000040
                    IE: Unknown: DD9F0050F204104A0001101044000102103B00010310470010AA6C51D2F0061E7B5A48ABB31922723210210008536167656D636F6D10230010536167656D636F6D464153543533363410240007332E302D332E301042000F4E373139303938344E3030343138311054000800060050F204000110110015536167656D636F6D46415354353336342D4E373139100800022000103C0001031049000600372A000120
                    IE: Unknown: DD090010180202101C0000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 05 - Address: 10:06:45:56:6C:84
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=30/70  Signal level=-80 dBm  
                    Encryption key:on
                    ESSID:"PLUSNET-CTJQN7"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000002359d46edd4
                    Extra: Last beacon: 976ms ago
                    IE: Unknown: 000E504C55534E45542D43544A514E37
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 0706474220010D14
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 2D1AFC181BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D160B080400000000000000000000000000000000000000
                    IE: Unknown: DD800050F204104A0001101044000102103B000103104700102E08E1B91EBF83CD8806250C14B473531021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D415010080002200C103C0001011049000600372A000120
                    IE: Unknown: DD090010180206F02C0000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00

lo        Interface doesn't support scanning.

# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09)
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
00:1c.2 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 [8086:1e14] (rev c4)
00:1c.3 PCI bridge [0604]: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 4 [8086:1e16] (rev c4)
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM75 Express Chipset LPC Controller [8086:1e5d] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller [8086:1e22] (rev 04)
01:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2230 [8086:0887] (rev c4)
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 07)
Bus 002 Device 005: ID 8087:07da Intel Corp. 
Bus 002 Device 004: ID 174c:55aa ASMedia Technology Inc. Name: ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge, ASM1153 SATA 3Gb/s bridge, ASM1153E SATA 6Gb/s bridge
Bus 002 Device 003: ID 045e:0745 Microsoft Corp. Nano Transceiver v1.0 for Bluetooth
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 04f2:b302 Chicony Electronics Co., Ltd 
Bus 001 Device 003: ID 0bda:0138 Realtek Semiconductor Corp. RTS5138 Card Reader Controller
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Linux Navaged 5.4.0-56-generic #62-Ubuntu SMP Mon Nov 23 19:20:19 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
[    0.014494] No NUMA configuration found
[    0.127263] core: PMU erratum BJ122, BV98, HSD29 worked around, HT is on
[    0.192367] pnp: PnP ACPI: found 7 devices
[    0.418914] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[    0.419185] hub 1-0:1.0: USB hub found
[    0.438902] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[    0.439139] hub 2-0:1.0: USB hub found
[    0.477994] ima: No TPM chip found, activating TPM-bypass!
[    0.478006] ima: No architecture policies found
[    0.512811] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[    0.525735] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[    0.690389] lpc_ich: Resource conflict(s) found affecting gpio_ich
[    0.915546] usb 1-1: New USB device found, idVendor=8087, idProduct=0024, bcdDevice= 0.00
[    0.915887] hub 1-1:1.0: USB hub found
[    0.931549] usb 2-1: New USB device found, idVendor=8087, idProduct=0024, bcdDevice= 0.00
[    0.931858] hub 2-1:1.0: USB hub found
[    1.327598] usb 1-1.2: New USB device found, idVendor=0bda, idProduct=0138, bcdDevice=38.82
[    1.333315] usb 2-1.1: New USB device found, idVendor=045e, idProduct=0745, bcdDevice= 6.34
[    1.569495] usb 2-1.3: New USB device found, idVendor=174c, idProduct=55aa, bcdDevice= 1.00
[    1.613574] usb 1-1.3: New USB device found, idVendor=04f2, idProduct=b302, bcdDevice=17.14
[    1.764073] usb 2-1.4: New USB device found, idVendor=8087, idProduct=07da, bcdDevice=78.69
[    4.407993] lp: driver loaded but no devices found
[    6.732106] uvcvideo: Found UVC 1.00 device FJ Camera (04f2:b302)
[    6.901593] intel_rapl_common: Found RAPL domain package
[    6.901596] intel_rapl_common: Found RAPL domain core
[    6.901597] intel_rapl_common: Found RAPL domain uncore
[    7.102570] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[    7.157161] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15
[    7.157256] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input16
[    7.157354] input: HDA Intel PCH HDMI as /devices/pci0000:00/0000:00:1b.0/sound/card0/input17
enp2s0    no wireless extensions.

wlp1s0    IEEE 802.11  ESSID:"Internet"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 40:9B:CD:97:A9:DC   
          Bit Rate=39 Mb/s   Tx-Power=16 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=58/70  Signal level=-52 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:1245   Missed beacon:0

lo        no wireless extensions.

Restarting networking (via systemctl): networking.service.

networking
drivers
network-manager
0
задан 14 December 2020 в 21:48

1 ответ

из вывода ip a видно, что соединение Wlan wlp1s0 подключается по IPv4, а не по IPv6. Для вашего enp2s0 вам просто нужно включить IPv6. Я предполагаю, что ваш маршрутизатор просто использует IPv4 для вашей локальной сети, поэтому вам нужно включить протокол IPv4 в вашем соединении ethnernet. Он должен быть виден на панели задач, где вы также можете изменить конфигурацию.


Редактировать

Хорошо, я думаю, это та же самая ссылка на проблему в этом посте. Поэтому попробуйте проверить правильность настройки с помощью sudo cat /etc/NetworkManager/NetworkManager.conf и изменить строку с managed=false на managed=true. После этого перезапустите networkmanager sudo service network-manager restart.

Для сравнения, вы должны увидеть что-то подобное этому на вкладке сети. Поскольку я использую другой дистрибутив Ubuntu, я не могу протестировать его напрямую.


Редактировать:2

Я нашел возможное решение в зависимости от того, что действительно отсутствует в вашем случае.Поскольку ip -a показывает ваш проводной интерфейс, я предполагаю, что ваш драйвер работает. Итак, надеюсь, вам просто нужно создать соединение: попробуйте это sudo cat /etc/NetworkManager/NetworkManager.confи добавить с пустой строкой

auto eth0
iface etho inet dhcp 

чтобы это выглядело так:

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

auto eth0
iface etho inet dhcp

С подтвержденной информацией это должно помочь.

0
ответ дан 14 December 2020 в 14:05

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