Ethernet not detected in Ubuntu 16.04 LTSEthernet connection Issues on Ubuntu 16.04No Ethernet on Lenovo P50, (`ifplugstatus` reports unplugged) Intel I219-LM network cardNo WIFI or LAN on Ubuntu 12.04 or 12.10 Live CD/USB using Toshiba qosmio x870Why has networking for my 12.04 setup stopped working?PlayOnLinux FPS problems and glxChooseVisual failedNetworking Drivers “disappear” Ubuntu 16.04 LTSBelkin HDMI to VGA adapter not displaying / not detectedWireless Interface Hard Blocked, Cannot Bring UpWifi not working for HP 15-bs0xx & Ubuntu 16.04RT5390 WiFi Card Suddenly Stopped Working Ubuntu 18.04WiFi stopped working on Ubuntu version 16.04 LTS after suspend
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Ethernet not detected in Ubuntu 16.04 LTS
Ethernet connection Issues on Ubuntu 16.04No Ethernet on Lenovo P50, (`ifplugstatus` reports unplugged) Intel I219-LM network cardNo WIFI or LAN on Ubuntu 12.04 or 12.10 Live CD/USB using Toshiba qosmio x870Why has networking for my 12.04 setup stopped working?PlayOnLinux FPS problems and glxChooseVisual failedNetworking Drivers “disappear” Ubuntu 16.04 LTSBelkin HDMI to VGA adapter not displaying / not detectedWireless Interface Hard Blocked, Cannot Bring UpWifi not working for HP 15-bs0xx & Ubuntu 16.04RT5390 WiFi Card Suddenly Stopped Working Ubuntu 18.04WiFi stopped working on Ubuntu version 16.04 LTS after suspend
0
I am a new to Linux. I cannot get a LAN connection in Ubuntu 16.04 LTS. It used to work in Windows 7.
Here is the result from 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)
Here is the output from 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)
And here is the output from 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
I don't really know how to interpret those results in terms of troubleshooting, but I would appreciate any help that you could provide.
Update
I am sorry for the poor explanation. Ubuntu is not detecting the the fact that it is connected (i.e., it says "Wire Unplugged"). The ethernet port lights are off.
Here is the output from 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
16.04 networking ethernet lan wired
asked Aug 14 '17 at 11:53
JimJim
1112
|
show 2 more comments
0
I am a new to Linux. I cannot get a LAN connection in Ubuntu 16.04 LTS. It used to work in Windows 7.
Here is the result from 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)
Here is the output from 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)
And here is the output from 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
I don't really know how to interpret those results in terms of troubleshooting, but I would appreciate any help that you could provide.
Update
I am sorry for the poor explanation. Ubuntu is not detecting the the fact that it is connected (i.e., it says "Wire Unplugged"). The ethernet port lights are off.
Here is the output from 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
16.04 networking ethernet lan wired
asked Aug 14 '17 at 11:53
JimJim
1112
I assume your question is actually that it isn't connected, since it is obviously detected. Are there any clues in the log? Please edit your question to add the result of the terminal command:dmesg | grep -e e100 -e enpWelcome to Ask Ubuntu.
– chili555
Aug 14 '17 at 13:01
Thanks. I have updated the post. The actually issue is that the network connection is not detected (i.e., Network setting say "Cable unplugged").
– Jim
Aug 14 '17 at 13:55
Please try another known good cable. Also, at the Network Manager icon, disconnect the wireless and try to connect the ethernet. Then run:cat /var/log/syslog | grep -e enp -e etwork | tail -n 25 > ask.txtReconnect the wireless. Find the document ask.txt in your /home/user (Jim??) directory and paste it here and give us the link: paste.ubuntu.com So far, we see nothing wrong in your posted details.
– chili555
Aug 14 '17 at 14:47
I don't think it's the cable, because I just connected my Windows 10 laptop to the same connection without problems.
– Jim
Aug 14 '17 at 15:27
I did try a new cable, and it worked with the Windows 10 laptop, but not the Ubuntu laptop. When I disconnect from the WiFi, it just says the ethernet "cable unplugged.". paste.ubuntu.com/25312820
– Jim
Aug 14 '17 at 15:35
|
show 2 more comments
0
0
0
I am a new to Linux. I cannot get a LAN connection in Ubuntu 16.04 LTS. It used to work in Windows 7.
Here is the result from 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)
Here is the output from 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)
And here is the output from 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
I don't really know how to interpret those results in terms of troubleshooting, but I would appreciate any help that you could provide.
Update
I am sorry for the poor explanation. Ubuntu is not detecting the the fact that it is connected (i.e., it says "Wire Unplugged"). The ethernet port lights are off.
Here is the output from 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
16.04 networking ethernet lan wired
asked Aug 14 '17 at 11:53
JimJim
1112
I am a new to Linux. I cannot get a LAN connection in Ubuntu 16.04 LTS. It used to work in Windows 7.
Here is the result from 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)
Here is the output from 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)
And here is the output from 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
I don't really know how to interpret those results in terms of troubleshooting, but I would appreciate any help that you could provide.
Update
I am sorry for the poor explanation. Ubuntu is not detecting the the fact that it is connected (i.e., it says "Wire Unplugged"). The ethernet port lights are off.
Here is the output from 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
16.04 networking ethernet lan wired
16.04 networking ethernet lan wired
asked Aug 14 '17 at 11:53
JimJim
1112
asked Aug 14 '17 at 11:53
JimJim
1112
edited Aug 14 '17 at 13:52
Jim
asked Aug 14 '17 at 11:53
JimJim
1112
asked Aug 14 '17 at 11:53
JimJim
1112
asked Aug 14 '17 at 11:53
JimJim
1112
1112
I assume your question is actually that it isn't connected, since it is obviously detected. Are there any clues in the log? Please edit your question to add the result of the terminal command:dmesg | grep -e e100 -e enpWelcome to Ask Ubuntu.
– chili555
Aug 14 '17 at 13:01
Thanks. I have updated the post. The actually issue is that the network connection is not detected (i.e., Network setting say "Cable unplugged").
– Jim
Aug 14 '17 at 13:55
Please try another known good cable. Also, at the Network Manager icon, disconnect the wireless and try to connect the ethernet. Then run:cat /var/log/syslog | grep -e enp -e etwork | tail -n 25 > ask.txtReconnect the wireless. Find the document ask.txt in your /home/user (Jim??) directory and paste it here and give us the link: paste.ubuntu.com So far, we see nothing wrong in your posted details.
– chili555
Aug 14 '17 at 14:47
I don't think it's the cable, because I just connected my Windows 10 laptop to the same connection without problems.
– Jim
Aug 14 '17 at 15:27
I did try a new cable, and it worked with the Windows 10 laptop, but not the Ubuntu laptop. When I disconnect from the WiFi, it just says the ethernet "cable unplugged.". paste.ubuntu.com/25312820
– Jim
Aug 14 '17 at 15:35
|
show 2 more comments
I assume your question is actually that it isn't connected, since it is obviously detected. Are there any clues in the log? Please edit your question to add the result of the terminal command:dmesg | grep -e e100 -e enpWelcome to Ask Ubuntu.
– chili555
Aug 14 '17 at 13:01
Thanks. I have updated the post. The actually issue is that the network connection is not detected (i.e., Network setting say "Cable unplugged").
– Jim
Aug 14 '17 at 13:55
Please try another known good cable. Also, at the Network Manager icon, disconnect the wireless and try to connect the ethernet. Then run:cat /var/log/syslog | grep -e enp -e etwork | tail -n 25 > ask.txtReconnect the wireless. Find the document ask.txt in your /home/user (Jim??) directory and paste it here and give us the link: paste.ubuntu.com So far, we see nothing wrong in your posted details.
– chili555
Aug 14 '17 at 14:47
I don't think it's the cable, because I just connected my Windows 10 laptop to the same connection without problems.
– Jim
Aug 14 '17 at 15:27
I did try a new cable, and it worked with the Windows 10 laptop, but not the Ubuntu laptop. When I disconnect from the WiFi, it just says the ethernet "cable unplugged.". paste.ubuntu.com/25312820
– Jim
Aug 14 '17 at 15:35
I assume your question is actually that it isn't connected, since it is obviously detected. Are there any clues in the log? Please edit your question to add the result of the terminal command:
dmesg | grep -e e100 -e enp Welcome to Ask Ubuntu.– chili555
Aug 14 '17 at 13:01
I assume your question is actually that it isn't connected, since it is obviously detected. Are there any clues in the log? Please edit your question to add the result of the terminal command:
dmesg | grep -e e100 -e enp Welcome to Ask Ubuntu.– chili555
Aug 14 '17 at 13:01
Thanks. I have updated the post. The actually issue is that the network connection is not detected (i.e., Network setting say "Cable unplugged").
– Jim
Aug 14 '17 at 13:55
Thanks. I have updated the post. The actually issue is that the network connection is not detected (i.e., Network setting say "Cable unplugged").
– Jim
Aug 14 '17 at 13:55
Please try another known good cable. Also, at the Network Manager icon, disconnect the wireless and try to connect the ethernet. Then run:
cat /var/log/syslog | grep -e enp -e etwork | tail -n 25 > ask.txt Reconnect the wireless. Find the document ask.txt in your /home/user (Jim??) directory and paste it here and give us the link: paste.ubuntu.com So far, we see nothing wrong in your posted details.– chili555
Aug 14 '17 at 14:47
Please try another known good cable. Also, at the Network Manager icon, disconnect the wireless and try to connect the ethernet. Then run:
cat /var/log/syslog | grep -e enp -e etwork | tail -n 25 > ask.txt Reconnect the wireless. Find the document ask.txt in your /home/user (Jim??) directory and paste it here and give us the link: paste.ubuntu.com So far, we see nothing wrong in your posted details.– chili555
Aug 14 '17 at 14:47
I don't think it's the cable, because I just connected my Windows 10 laptop to the same connection without problems.
– Jim
Aug 14 '17 at 15:27
I don't think it's the cable, because I just connected my Windows 10 laptop to the same connection without problems.
– Jim
Aug 14 '17 at 15:27
I did try a new cable, and it worked with the Windows 10 laptop, but not the Ubuntu laptop. When I disconnect from the WiFi, it just says the ethernet "cable unplugged.". paste.ubuntu.com/25312820
– Jim
Aug 14 '17 at 15:35
I did try a new cable, and it worked with the Windows 10 laptop, but not the Ubuntu laptop. When I disconnect from the WiFi, it just says the ethernet "cable unplugged.". paste.ubuntu.com/25312820
– Jim
Aug 14 '17 at 15:35
|
show 2 more comments
2 Answers
2
active
oldest
votes
2
It is detected. It's enp0s25. You just don't have an IP address. Look in Settings -> Network -> Wired and turn on dhcp
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
add a comment |
0
Alternatively, try assigning a static IP# with the router.
answered 19 mins ago
user935833user935833
1
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It is detected. It's enp0s25. You just don't have an IP address. Look in Settings -> Network -> Wired and turn on dhcp
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
add a comment |
2
It is detected. It's enp0s25. You just don't have an IP address. Look in Settings -> Network -> Wired and turn on dhcp
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
add a comment |
2
2
2
It is detected. It's enp0s25. You just don't have an IP address. Look in Settings -> Network -> Wired and turn on dhcp
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
It is detected. It's enp0s25. You just don't have an IP address. Look in Settings -> Network -> Wired and turn on dhcp
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
answered Aug 14 '17 at 11:59
spacelanderspacelander
40228
40228
add a comment |
add a comment |
0
Alternatively, try assigning a static IP# with the router.
answered 19 mins ago
user935833user935833
1
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add a comment |
0
Alternatively, try assigning a static IP# with the router.
answered 19 mins ago
user935833user935833
1
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0
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Alternatively, try assigning a static IP# with the router.
answered 19 mins ago
user935833user935833
1
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user935833 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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Alternatively, try assigning a static IP# with the router.
answered 19 mins ago
user935833user935833
1
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user935833 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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answered 19 mins ago
user935833user935833
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answered 19 mins ago
user935833user935833
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answered 19 mins ago
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I assume your question is actually that it isn't connected, since it is obviously detected. Are there any clues in the log? Please edit your question to add the result of the terminal command:
dmesg | grep -e e100 -e enpWelcome to Ask Ubuntu.– chili555
Aug 14 '17 at 13:01
Thanks. I have updated the post. The actually issue is that the network connection is not detected (i.e., Network setting say "Cable unplugged").
– Jim
Aug 14 '17 at 13:55
Please try another known good cable. Also, at the Network Manager icon, disconnect the wireless and try to connect the ethernet. Then run:
cat /var/log/syslog | grep -e enp -e etwork | tail -n 25 > ask.txtReconnect the wireless. Find the document ask.txt in your /home/user (Jim??) directory and paste it here and give us the link: paste.ubuntu.com So far, we see nothing wrong in your posted details.– chili555
Aug 14 '17 at 14:47
I don't think it's the cable, because I just connected my Windows 10 laptop to the same connection without problems.
– Jim
Aug 14 '17 at 15:27
I did try a new cable, and it worked with the Windows 10 laptop, but not the Ubuntu laptop. When I disconnect from the WiFi, it just says the ethernet "cable unplugged.". paste.ubuntu.com/25312820
– Jim
Aug 14 '17 at 15:35