Why my Raspberry pi receive no packets using Ethernet?

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1














I use a Raspberry pi 3b. The OS is Raspbian jessie.



I don't understand why I can't connect with any RJ45 cable, and only wireless connection works. The cable rj45 is straight.



The step I did to resolve my problem :



  1. Remove wireless connection in case there is a conflict when
    configuring the interfaces. Now there isn't anymore the wlan0
    interface.

  2. Disable firewall.

  3. Configure manually the eth0 interface in the etc/network/interfaces
    to make the configuration automatically when booting the system. The
    result of ifconfig is that I have a lot of packets Transmited by
    eth0, but no packets received, but IP address is correct.

root@raspberrypi:/home/pi# ifconfig:



eth0 Link encap:Ethernet HWaddr b8:27:eb:fa:42:e6 
inet addr:(masked but correct IP) Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: (masked but correct) Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:4384 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:706089 (689.5 KiB)

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:4719 errors:0 dropped:0 overruns:0 frame:0
TX packets:4719 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:373537 (364.7 KiB) TX bytes:373537 (364.7 KiB)


I've tried using three different cables, but none worked.



EDIT: Informations about ethtool eth0 command
Eththool result



EDIT 2 : dmesg output
enter image description here










share|improve this question























  • apt-get install ethtool with the wireless interface, then edit the question, and add the output of ethtool eth0 please. Looking at the dmesg output might help.
    – Rui F Ribeiro
    Jun 12 '17 at 10:19










  • Hello, I edited my message, but for the dmesg output is it correct that I have to execute : dmesg | ethtool eth0 ? I've never used it yet.
    – Fernand Battisti
    Jun 12 '17 at 10:43







  • 1




    Just run dmesg | less
    – Rui F Ribeiro
    Jun 12 '17 at 10:46










  • I would advise doing ssh to your raspberry and pasting the output of ethtool as text is it not complete. However from what is there it seems ok; where are you connecting it?
    – Rui F Ribeiro
    Jun 12 '17 at 10:48







  • 1




    What is the router brand and model?
    – Rui F Ribeiro
    Jun 12 '17 at 11:45
















1














I use a Raspberry pi 3b. The OS is Raspbian jessie.



I don't understand why I can't connect with any RJ45 cable, and only wireless connection works. The cable rj45 is straight.



The step I did to resolve my problem :



  1. Remove wireless connection in case there is a conflict when
    configuring the interfaces. Now there isn't anymore the wlan0
    interface.

  2. Disable firewall.

  3. Configure manually the eth0 interface in the etc/network/interfaces
    to make the configuration automatically when booting the system. The
    result of ifconfig is that I have a lot of packets Transmited by
    eth0, but no packets received, but IP address is correct.

root@raspberrypi:/home/pi# ifconfig:



eth0 Link encap:Ethernet HWaddr b8:27:eb:fa:42:e6 
inet addr:(masked but correct IP) Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: (masked but correct) Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:4384 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:706089 (689.5 KiB)

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:4719 errors:0 dropped:0 overruns:0 frame:0
TX packets:4719 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:373537 (364.7 KiB) TX bytes:373537 (364.7 KiB)


I've tried using three different cables, but none worked.



EDIT: Informations about ethtool eth0 command
Eththool result



EDIT 2 : dmesg output
enter image description here










share|improve this question























  • apt-get install ethtool with the wireless interface, then edit the question, and add the output of ethtool eth0 please. Looking at the dmesg output might help.
    – Rui F Ribeiro
    Jun 12 '17 at 10:19










  • Hello, I edited my message, but for the dmesg output is it correct that I have to execute : dmesg | ethtool eth0 ? I've never used it yet.
    – Fernand Battisti
    Jun 12 '17 at 10:43







  • 1




    Just run dmesg | less
    – Rui F Ribeiro
    Jun 12 '17 at 10:46










  • I would advise doing ssh to your raspberry and pasting the output of ethtool as text is it not complete. However from what is there it seems ok; where are you connecting it?
    – Rui F Ribeiro
    Jun 12 '17 at 10:48







  • 1




    What is the router brand and model?
    – Rui F Ribeiro
    Jun 12 '17 at 11:45














1












1








1







I use a Raspberry pi 3b. The OS is Raspbian jessie.



I don't understand why I can't connect with any RJ45 cable, and only wireless connection works. The cable rj45 is straight.



The step I did to resolve my problem :



  1. Remove wireless connection in case there is a conflict when
    configuring the interfaces. Now there isn't anymore the wlan0
    interface.

  2. Disable firewall.

  3. Configure manually the eth0 interface in the etc/network/interfaces
    to make the configuration automatically when booting the system. The
    result of ifconfig is that I have a lot of packets Transmited by
    eth0, but no packets received, but IP address is correct.

root@raspberrypi:/home/pi# ifconfig:



eth0 Link encap:Ethernet HWaddr b8:27:eb:fa:42:e6 
inet addr:(masked but correct IP) Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: (masked but correct) Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:4384 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:706089 (689.5 KiB)

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:4719 errors:0 dropped:0 overruns:0 frame:0
TX packets:4719 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:373537 (364.7 KiB) TX bytes:373537 (364.7 KiB)


I've tried using three different cables, but none worked.



EDIT: Informations about ethtool eth0 command
Eththool result



EDIT 2 : dmesg output
enter image description here










share|improve this question















I use a Raspberry pi 3b. The OS is Raspbian jessie.



I don't understand why I can't connect with any RJ45 cable, and only wireless connection works. The cable rj45 is straight.



The step I did to resolve my problem :



  1. Remove wireless connection in case there is a conflict when
    configuring the interfaces. Now there isn't anymore the wlan0
    interface.

  2. Disable firewall.

  3. Configure manually the eth0 interface in the etc/network/interfaces
    to make the configuration automatically when booting the system. The
    result of ifconfig is that I have a lot of packets Transmited by
    eth0, but no packets received, but IP address is correct.

root@raspberrypi:/home/pi# ifconfig:



eth0 Link encap:Ethernet HWaddr b8:27:eb:fa:42:e6 
inet addr:(masked but correct IP) Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: (masked but correct) Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:4384 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:706089 (689.5 KiB)

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:4719 errors:0 dropped:0 overruns:0 frame:0
TX packets:4719 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:373537 (364.7 KiB) TX bytes:373537 (364.7 KiB)


I've tried using three different cables, but none worked.



EDIT: Informations about ethtool eth0 command
Eththool result



EDIT 2 : dmesg output
enter image description here







raspberry-pi raspbian ethernet interface packet






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 20 '18 at 7:10









Rui F Ribeiro

39k1479130




39k1479130










asked Jun 12 '17 at 10:11









Fernand Battisti

62




62











  • apt-get install ethtool with the wireless interface, then edit the question, and add the output of ethtool eth0 please. Looking at the dmesg output might help.
    – Rui F Ribeiro
    Jun 12 '17 at 10:19










  • Hello, I edited my message, but for the dmesg output is it correct that I have to execute : dmesg | ethtool eth0 ? I've never used it yet.
    – Fernand Battisti
    Jun 12 '17 at 10:43







  • 1




    Just run dmesg | less
    – Rui F Ribeiro
    Jun 12 '17 at 10:46










  • I would advise doing ssh to your raspberry and pasting the output of ethtool as text is it not complete. However from what is there it seems ok; where are you connecting it?
    – Rui F Ribeiro
    Jun 12 '17 at 10:48







  • 1




    What is the router brand and model?
    – Rui F Ribeiro
    Jun 12 '17 at 11:45

















  • apt-get install ethtool with the wireless interface, then edit the question, and add the output of ethtool eth0 please. Looking at the dmesg output might help.
    – Rui F Ribeiro
    Jun 12 '17 at 10:19










  • Hello, I edited my message, but for the dmesg output is it correct that I have to execute : dmesg | ethtool eth0 ? I've never used it yet.
    – Fernand Battisti
    Jun 12 '17 at 10:43







  • 1




    Just run dmesg | less
    – Rui F Ribeiro
    Jun 12 '17 at 10:46










  • I would advise doing ssh to your raspberry and pasting the output of ethtool as text is it not complete. However from what is there it seems ok; where are you connecting it?
    – Rui F Ribeiro
    Jun 12 '17 at 10:48







  • 1




    What is the router brand and model?
    – Rui F Ribeiro
    Jun 12 '17 at 11:45
















apt-get install ethtool with the wireless interface, then edit the question, and add the output of ethtool eth0 please. Looking at the dmesg output might help.
– Rui F Ribeiro
Jun 12 '17 at 10:19




apt-get install ethtool with the wireless interface, then edit the question, and add the output of ethtool eth0 please. Looking at the dmesg output might help.
– Rui F Ribeiro
Jun 12 '17 at 10:19












Hello, I edited my message, but for the dmesg output is it correct that I have to execute : dmesg | ethtool eth0 ? I've never used it yet.
– Fernand Battisti
Jun 12 '17 at 10:43





Hello, I edited my message, but for the dmesg output is it correct that I have to execute : dmesg | ethtool eth0 ? I've never used it yet.
– Fernand Battisti
Jun 12 '17 at 10:43





1




1




Just run dmesg | less
– Rui F Ribeiro
Jun 12 '17 at 10:46




Just run dmesg | less
– Rui F Ribeiro
Jun 12 '17 at 10:46












I would advise doing ssh to your raspberry and pasting the output of ethtool as text is it not complete. However from what is there it seems ok; where are you connecting it?
– Rui F Ribeiro
Jun 12 '17 at 10:48





I would advise doing ssh to your raspberry and pasting the output of ethtool as text is it not complete. However from what is there it seems ok; where are you connecting it?
– Rui F Ribeiro
Jun 12 '17 at 10:48





1




1




What is the router brand and model?
– Rui F Ribeiro
Jun 12 '17 at 11:45





What is the router brand and model?
– Rui F Ribeiro
Jun 12 '17 at 11:45
















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