Ethernet connection is not showing in my ubuntu 14.04












0














These are outputs of some useful commands:-
May it helps...



1.-> ifconfig
output-->



      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:9262 errors:0 dropped:0 overruns:0 frame:0
TX packets:9262 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:845156 (845.1 KB) TX bytes:845156 (845.1 KB)

wlan0 Link encap:Ethernet HWaddr e0:ca:94:3e:ec:ef
inet addr:192.168.43.229 Bcast:192.168.43.255 Mask:255.255.255.0
inet6 addr: fe80::e2ca:94ff:fe3e:ecef/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:223666 errors:0 dropped:0 overruns:0 frame:217706
TX packets:180946 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:243037937 (243.0 MB) TX bytes:16583971 (16.5 MB)
Interrupt:16
(2). cat /etc/nework/interfaces :->
output--> # interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

(3). ifup eth0 :->
output--> Ignoring unknown interface eth0=eth0.

(4) lspci -nn :->
output-->
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation CoreProcessor
Family DRAM Controller [8086:0104] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation

C ore Processor Family Integrated Graphics Controller [8086:0116] (rev 09)

00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
01:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)


that it..










share|improve this question
























  • Output indicates that the only network controller you have is the Broadcom wireless. aka wlan0
    – Elder Geek
    Nov 25 '14 at 14:08












  • May not be eth0 may be p2p1 or enp2s0 or similar. Run [ifconfig -a] to list all of your interfaces.
    – Software_Programineer
    Feb 1 '17 at 3:46
















0














These are outputs of some useful commands:-
May it helps...



1.-> ifconfig
output-->



      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:9262 errors:0 dropped:0 overruns:0 frame:0
TX packets:9262 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:845156 (845.1 KB) TX bytes:845156 (845.1 KB)

wlan0 Link encap:Ethernet HWaddr e0:ca:94:3e:ec:ef
inet addr:192.168.43.229 Bcast:192.168.43.255 Mask:255.255.255.0
inet6 addr: fe80::e2ca:94ff:fe3e:ecef/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:223666 errors:0 dropped:0 overruns:0 frame:217706
TX packets:180946 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:243037937 (243.0 MB) TX bytes:16583971 (16.5 MB)
Interrupt:16
(2). cat /etc/nework/interfaces :->
output--> # interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

(3). ifup eth0 :->
output--> Ignoring unknown interface eth0=eth0.

(4) lspci -nn :->
output-->
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation CoreProcessor
Family DRAM Controller [8086:0104] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation

C ore Processor Family Integrated Graphics Controller [8086:0116] (rev 09)

00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
01:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)


that it..










share|improve this question
























  • Output indicates that the only network controller you have is the Broadcom wireless. aka wlan0
    – Elder Geek
    Nov 25 '14 at 14:08












  • May not be eth0 may be p2p1 or enp2s0 or similar. Run [ifconfig -a] to list all of your interfaces.
    – Software_Programineer
    Feb 1 '17 at 3:46














0












0








0







These are outputs of some useful commands:-
May it helps...



1.-> ifconfig
output-->



      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:9262 errors:0 dropped:0 overruns:0 frame:0
TX packets:9262 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:845156 (845.1 KB) TX bytes:845156 (845.1 KB)

wlan0 Link encap:Ethernet HWaddr e0:ca:94:3e:ec:ef
inet addr:192.168.43.229 Bcast:192.168.43.255 Mask:255.255.255.0
inet6 addr: fe80::e2ca:94ff:fe3e:ecef/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:223666 errors:0 dropped:0 overruns:0 frame:217706
TX packets:180946 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:243037937 (243.0 MB) TX bytes:16583971 (16.5 MB)
Interrupt:16
(2). cat /etc/nework/interfaces :->
output--> # interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

(3). ifup eth0 :->
output--> Ignoring unknown interface eth0=eth0.

(4) lspci -nn :->
output-->
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation CoreProcessor
Family DRAM Controller [8086:0104] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation

C ore Processor Family Integrated Graphics Controller [8086:0116] (rev 09)

00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
01:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)


that it..










share|improve this question















These are outputs of some useful commands:-
May it helps...



1.-> ifconfig
output-->



      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:9262 errors:0 dropped:0 overruns:0 frame:0
TX packets:9262 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:845156 (845.1 KB) TX bytes:845156 (845.1 KB)

wlan0 Link encap:Ethernet HWaddr e0:ca:94:3e:ec:ef
inet addr:192.168.43.229 Bcast:192.168.43.255 Mask:255.255.255.0
inet6 addr: fe80::e2ca:94ff:fe3e:ecef/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:223666 errors:0 dropped:0 overruns:0 frame:217706
TX packets:180946 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:243037937 (243.0 MB) TX bytes:16583971 (16.5 MB)
Interrupt:16
(2). cat /etc/nework/interfaces :->
output--> # interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

(3). ifup eth0 :->
output--> Ignoring unknown interface eth0=eth0.

(4) lspci -nn :->
output-->
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation CoreProcessor
Family DRAM Controller [8086:0104] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation

C ore Processor Family Integrated Graphics Controller [8086:0116] (rev 09)

00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
01:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)


that it..







14.04 networking drivers ethernet






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 25 '14 at 13:56

























asked Nov 25 '14 at 13:50









symb0l121cc00130

23129




23129












  • Output indicates that the only network controller you have is the Broadcom wireless. aka wlan0
    – Elder Geek
    Nov 25 '14 at 14:08












  • May not be eth0 may be p2p1 or enp2s0 or similar. Run [ifconfig -a] to list all of your interfaces.
    – Software_Programineer
    Feb 1 '17 at 3:46


















  • Output indicates that the only network controller you have is the Broadcom wireless. aka wlan0
    – Elder Geek
    Nov 25 '14 at 14:08












  • May not be eth0 may be p2p1 or enp2s0 or similar. Run [ifconfig -a] to list all of your interfaces.
    – Software_Programineer
    Feb 1 '17 at 3:46
















Output indicates that the only network controller you have is the Broadcom wireless. aka wlan0
– Elder Geek
Nov 25 '14 at 14:08






Output indicates that the only network controller you have is the Broadcom wireless. aka wlan0
– Elder Geek
Nov 25 '14 at 14:08














May not be eth0 may be p2p1 or enp2s0 or similar. Run [ifconfig -a] to list all of your interfaces.
– Software_Programineer
Feb 1 '17 at 3:46




May not be eth0 may be p2p1 or enp2s0 or similar. Run [ifconfig -a] to list all of your interfaces.
– Software_Programineer
Feb 1 '17 at 3:46










1 Answer
1






active

oldest

votes


















0














By default eth0 doesn't start sometimes. Therefore try



sudo /etc/init.d/networking restart 


Then ifconfig -a



Also check your /etc/network/interfaces file and verify the eth0 interface if exists.



Hope this helps. Let me know.






share|improve this answer























  • checking /etc/network/interfaces---> # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
    – symb0l121cc00130
    Nov 25 '14 at 15:46












  • did this help? or not ? what do you see ?
    – rulebreaker4
    Nov 25 '14 at 19:35











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1 Answer
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1 Answer
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active

oldest

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active

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0














By default eth0 doesn't start sometimes. Therefore try



sudo /etc/init.d/networking restart 


Then ifconfig -a



Also check your /etc/network/interfaces file and verify the eth0 interface if exists.



Hope this helps. Let me know.






share|improve this answer























  • checking /etc/network/interfaces---> # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
    – symb0l121cc00130
    Nov 25 '14 at 15:46












  • did this help? or not ? what do you see ?
    – rulebreaker4
    Nov 25 '14 at 19:35
















0














By default eth0 doesn't start sometimes. Therefore try



sudo /etc/init.d/networking restart 


Then ifconfig -a



Also check your /etc/network/interfaces file and verify the eth0 interface if exists.



Hope this helps. Let me know.






share|improve this answer























  • checking /etc/network/interfaces---> # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
    – symb0l121cc00130
    Nov 25 '14 at 15:46












  • did this help? or not ? what do you see ?
    – rulebreaker4
    Nov 25 '14 at 19:35














0












0








0






By default eth0 doesn't start sometimes. Therefore try



sudo /etc/init.d/networking restart 


Then ifconfig -a



Also check your /etc/network/interfaces file and verify the eth0 interface if exists.



Hope this helps. Let me know.






share|improve this answer














By default eth0 doesn't start sometimes. Therefore try



sudo /etc/init.d/networking restart 


Then ifconfig -a



Also check your /etc/network/interfaces file and verify the eth0 interface if exists.



Hope this helps. Let me know.







share|improve this answer














share|improve this answer



share|improve this answer








edited Mar 6 '17 at 7:25









d a i s y

3,26482344




3,26482344










answered Nov 25 '14 at 14:37









rulebreaker4

888513




888513












  • checking /etc/network/interfaces---> # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
    – symb0l121cc00130
    Nov 25 '14 at 15:46












  • did this help? or not ? what do you see ?
    – rulebreaker4
    Nov 25 '14 at 19:35


















  • checking /etc/network/interfaces---> # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
    – symb0l121cc00130
    Nov 25 '14 at 15:46












  • did this help? or not ? what do you see ?
    – rulebreaker4
    Nov 25 '14 at 19:35
















checking /etc/network/interfaces---> # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
– symb0l121cc00130
Nov 25 '14 at 15:46






checking /etc/network/interfaces---> # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
– symb0l121cc00130
Nov 25 '14 at 15:46














did this help? or not ? what do you see ?
– rulebreaker4
Nov 25 '14 at 19:35




did this help? or not ? what do you see ?
– rulebreaker4
Nov 25 '14 at 19:35


















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