How to keep static IP working

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0















I found this site: click
First I tried to use the non-permanent way via "ip address add". But the static address I assigned would not be accessible anymore after a minute or so, and this is repeatable.
So I tried the permanent approach described there for Ubuntu. I am running "Ubuntu 14.04.5 LTS", albeit a probably somewhat modified, cut-down version on a Tegra TK1 board, running a NVIDIA L4T kernel derivate.



So in /etc/network/interfaces, which before interestingly only contained 2 comment lines



# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:


and nothing else, I added:



auto eth1:1
iface eth1:1 inet static
address 10.0.10.55
netmask 255.255.0.0


(the system has only a eth1, no eth0)



Well, reboot and... there is no such IP address shown in ifconfig and I can't access it.
It lists, however, for eth1:



inet6 addr: fe80::214:2dff:fe2f:c150/64 Scope:Link


What might be wrong? (I didn't ask for a ipv6 address, where would come from now?)










share|improve this question




























    0















    I found this site: click
    First I tried to use the non-permanent way via "ip address add". But the static address I assigned would not be accessible anymore after a minute or so, and this is repeatable.
    So I tried the permanent approach described there for Ubuntu. I am running "Ubuntu 14.04.5 LTS", albeit a probably somewhat modified, cut-down version on a Tegra TK1 board, running a NVIDIA L4T kernel derivate.



    So in /etc/network/interfaces, which before interestingly only contained 2 comment lines



    # interfaces(5) file used by ifup(8) and ifdown(8)
    # Include files from /etc/network/interfaces.d:


    and nothing else, I added:



    auto eth1:1
    iface eth1:1 inet static
    address 10.0.10.55
    netmask 255.255.0.0


    (the system has only a eth1, no eth0)



    Well, reboot and... there is no such IP address shown in ifconfig and I can't access it.
    It lists, however, for eth1:



    inet6 addr: fe80::214:2dff:fe2f:c150/64 Scope:Link


    What might be wrong? (I didn't ask for a ipv6 address, where would come from now?)










    share|improve this question


























      0












      0








      0








      I found this site: click
      First I tried to use the non-permanent way via "ip address add". But the static address I assigned would not be accessible anymore after a minute or so, and this is repeatable.
      So I tried the permanent approach described there for Ubuntu. I am running "Ubuntu 14.04.5 LTS", albeit a probably somewhat modified, cut-down version on a Tegra TK1 board, running a NVIDIA L4T kernel derivate.



      So in /etc/network/interfaces, which before interestingly only contained 2 comment lines



      # interfaces(5) file used by ifup(8) and ifdown(8)
      # Include files from /etc/network/interfaces.d:


      and nothing else, I added:



      auto eth1:1
      iface eth1:1 inet static
      address 10.0.10.55
      netmask 255.255.0.0


      (the system has only a eth1, no eth0)



      Well, reboot and... there is no such IP address shown in ifconfig and I can't access it.
      It lists, however, for eth1:



      inet6 addr: fe80::214:2dff:fe2f:c150/64 Scope:Link


      What might be wrong? (I didn't ask for a ipv6 address, where would come from now?)










      share|improve this question
















      I found this site: click
      First I tried to use the non-permanent way via "ip address add". But the static address I assigned would not be accessible anymore after a minute or so, and this is repeatable.
      So I tried the permanent approach described there for Ubuntu. I am running "Ubuntu 14.04.5 LTS", albeit a probably somewhat modified, cut-down version on a Tegra TK1 board, running a NVIDIA L4T kernel derivate.



      So in /etc/network/interfaces, which before interestingly only contained 2 comment lines



      # interfaces(5) file used by ifup(8) and ifdown(8)
      # Include files from /etc/network/interfaces.d:


      and nothing else, I added:



      auto eth1:1
      iface eth1:1 inet static
      address 10.0.10.55
      netmask 255.255.0.0


      (the system has only a eth1, no eth0)



      Well, reboot and... there is no such IP address shown in ifconfig and I can't access it.
      It lists, however, for eth1:



      inet6 addr: fe80::214:2dff:fe2f:c150/64 Scope:Link


      What might be wrong? (I didn't ask for a ipv6 address, where would come from now?)







      networking






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Jan 23 at 13:03







      sktpin

















      asked Jan 23 at 12:43









      sktpinsktpin

      205




      205




















          1 Answer
          1






          active

          oldest

          votes


















          1














          That guide is for adding a second IP address to an existing NIC that is already in use.



          As you are just trying to set a primary static IP address, put this into /etc/network/interfaces:



          auto eth1
          iface eth1 inet static
          address 10.0.10.55
          gateway <your gateway>
          netmask 255.255.0.0
          broadcast <your broadcast>


          You can also add:



          dns nameservers <your dns nameservers>


          if it's not defined in /etc/resolv.conf.



          Be sure to restart your networking or NetworkManager service or reboot afterwards.






          share|improve this answer

























          • eth1 in my case, but that works, thanks

            – sktpin
            Jan 23 at 13:37












          • @sktpin Updated to reflect eth1. You are welcome.

            – Nasir Riley
            Jan 23 at 13:56










          Your Answer








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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          That guide is for adding a second IP address to an existing NIC that is already in use.



          As you are just trying to set a primary static IP address, put this into /etc/network/interfaces:



          auto eth1
          iface eth1 inet static
          address 10.0.10.55
          gateway <your gateway>
          netmask 255.255.0.0
          broadcast <your broadcast>


          You can also add:



          dns nameservers <your dns nameservers>


          if it's not defined in /etc/resolv.conf.



          Be sure to restart your networking or NetworkManager service or reboot afterwards.






          share|improve this answer

























          • eth1 in my case, but that works, thanks

            – sktpin
            Jan 23 at 13:37












          • @sktpin Updated to reflect eth1. You are welcome.

            – Nasir Riley
            Jan 23 at 13:56















          1














          That guide is for adding a second IP address to an existing NIC that is already in use.



          As you are just trying to set a primary static IP address, put this into /etc/network/interfaces:



          auto eth1
          iface eth1 inet static
          address 10.0.10.55
          gateway <your gateway>
          netmask 255.255.0.0
          broadcast <your broadcast>


          You can also add:



          dns nameservers <your dns nameservers>


          if it's not defined in /etc/resolv.conf.



          Be sure to restart your networking or NetworkManager service or reboot afterwards.






          share|improve this answer

























          • eth1 in my case, but that works, thanks

            – sktpin
            Jan 23 at 13:37












          • @sktpin Updated to reflect eth1. You are welcome.

            – Nasir Riley
            Jan 23 at 13:56













          1












          1








          1







          That guide is for adding a second IP address to an existing NIC that is already in use.



          As you are just trying to set a primary static IP address, put this into /etc/network/interfaces:



          auto eth1
          iface eth1 inet static
          address 10.0.10.55
          gateway <your gateway>
          netmask 255.255.0.0
          broadcast <your broadcast>


          You can also add:



          dns nameservers <your dns nameservers>


          if it's not defined in /etc/resolv.conf.



          Be sure to restart your networking or NetworkManager service or reboot afterwards.






          share|improve this answer















          That guide is for adding a second IP address to an existing NIC that is already in use.



          As you are just trying to set a primary static IP address, put this into /etc/network/interfaces:



          auto eth1
          iface eth1 inet static
          address 10.0.10.55
          gateway <your gateway>
          netmask 255.255.0.0
          broadcast <your broadcast>


          You can also add:



          dns nameservers <your dns nameservers>


          if it's not defined in /etc/resolv.conf.



          Be sure to restart your networking or NetworkManager service or reboot afterwards.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Jan 23 at 13:52

























          answered Jan 23 at 12:58









          Nasir RileyNasir Riley

          2,654249




          2,654249












          • eth1 in my case, but that works, thanks

            – sktpin
            Jan 23 at 13:37












          • @sktpin Updated to reflect eth1. You are welcome.

            – Nasir Riley
            Jan 23 at 13:56

















          • eth1 in my case, but that works, thanks

            – sktpin
            Jan 23 at 13:37












          • @sktpin Updated to reflect eth1. You are welcome.

            – Nasir Riley
            Jan 23 at 13:56
















          eth1 in my case, but that works, thanks

          – sktpin
          Jan 23 at 13:37






          eth1 in my case, but that works, thanks

          – sktpin
          Jan 23 at 13:37














          @sktpin Updated to reflect eth1. You are welcome.

          – Nasir Riley
          Jan 23 at 13:56





          @sktpin Updated to reflect eth1. You are welcome.

          – Nasir Riley
          Jan 23 at 13:56

















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