How can I ping to an external IP using two different interfaces?LAN server with two network cards, can't...

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How can I ping to an external IP using two different interfaces?


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I've looked through some of the examples on this site with regards to multi-interface pings but none of the approaches seem to work for me.



I have two interfaces




  • eth0 ( 192.168.0.x)

  • wlan0 (192.168.1.2)


eth0 gets its IP from dhcp server.



wlan0 has static IP.



When I run the command



ping -I eth0 www.google.com


I get results that appear to be from eth0 (ipv6 stuff).



When I run the command



ping -I wlan0 www.google.com


I get the following output.



connect: Network is unreachable


If I unplug my eth0, and I run the comand again, I get desired results.



How can ping an external server with the choice of an interface ? It's almost like one is dominating, and if one exists, the other is disregarded.










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    0















    I've looked through some of the examples on this site with regards to multi-interface pings but none of the approaches seem to work for me.



    I have two interfaces




    • eth0 ( 192.168.0.x)

    • wlan0 (192.168.1.2)


    eth0 gets its IP from dhcp server.



    wlan0 has static IP.



    When I run the command



    ping -I eth0 www.google.com


    I get results that appear to be from eth0 (ipv6 stuff).



    When I run the command



    ping -I wlan0 www.google.com


    I get the following output.



    connect: Network is unreachable


    If I unplug my eth0, and I run the comand again, I get desired results.



    How can ping an external server with the choice of an interface ? It's almost like one is dominating, and if one exists, the other is disregarded.










    share|improve this question







    New contributor



    efox29 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      0












      0








      0








      I've looked through some of the examples on this site with regards to multi-interface pings but none of the approaches seem to work for me.



      I have two interfaces




      • eth0 ( 192.168.0.x)

      • wlan0 (192.168.1.2)


      eth0 gets its IP from dhcp server.



      wlan0 has static IP.



      When I run the command



      ping -I eth0 www.google.com


      I get results that appear to be from eth0 (ipv6 stuff).



      When I run the command



      ping -I wlan0 www.google.com


      I get the following output.



      connect: Network is unreachable


      If I unplug my eth0, and I run the comand again, I get desired results.



      How can ping an external server with the choice of an interface ? It's almost like one is dominating, and if one exists, the other is disregarded.










      share|improve this question







      New contributor



      efox29 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I've looked through some of the examples on this site with regards to multi-interface pings but none of the approaches seem to work for me.



      I have two interfaces




      • eth0 ( 192.168.0.x)

      • wlan0 (192.168.1.2)


      eth0 gets its IP from dhcp server.



      wlan0 has static IP.



      When I run the command



      ping -I eth0 www.google.com


      I get results that appear to be from eth0 (ipv6 stuff).



      When I run the command



      ping -I wlan0 www.google.com


      I get the following output.



      connect: Network is unreachable


      If I unplug my eth0, and I run the comand again, I get desired results.



      How can ping an external server with the choice of an interface ? It's almost like one is dominating, and if one exists, the other is disregarded.







      network-interface ping






      share|improve this question







      New contributor



      efox29 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share|improve this question







      New contributor



      efox29 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share|improve this question




      share|improve this question






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      efox29 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      asked 53 mins ago









      efox29efox29

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      New contributor



      efox29 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.




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      Check out our Code of Conduct.
























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