ubuntu prefer wifi over mobile internet












0














I'd like to configure internet connection on device with ubuntu 18.04 LTS using wifi and 3g dongle. I'd actually set up both ways via wlan0 and ppp0 interfaces, but my goal is to make wifi preferable over 3g, so device should try to use wifi and only if connection cannot be made it should try through 3g. I've already tried with ifmetric but it gave me nothing. My route table after that looks like:



Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 0.0.0.0 0.0.0.0 U 1000 0 0 ppp0
10.64.64.64 0.0.0.0 255.255.255.255 UH 1000 0 0 ppp0
192.168.0.0 0.0.0.0 255.255.255.0 U 10 0 0 wlan0


but still all packets go through ppp0. I've also tried deleting default route and adding new with:



sudo route del default ppp0
sudo route add default wlan0


but then I couldn't connect to internet.



It's forbidden for me to use NetworkManager, actually I had to remove it.



Could anyone help me with this?










share|improve this question



























    0














    I'd like to configure internet connection on device with ubuntu 18.04 LTS using wifi and 3g dongle. I'd actually set up both ways via wlan0 and ppp0 interfaces, but my goal is to make wifi preferable over 3g, so device should try to use wifi and only if connection cannot be made it should try through 3g. I've already tried with ifmetric but it gave me nothing. My route table after that looks like:



    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface
    default 0.0.0.0 0.0.0.0 U 1000 0 0 ppp0
    10.64.64.64 0.0.0.0 255.255.255.255 UH 1000 0 0 ppp0
    192.168.0.0 0.0.0.0 255.255.255.0 U 10 0 0 wlan0


    but still all packets go through ppp0. I've also tried deleting default route and adding new with:



    sudo route del default ppp0
    sudo route add default wlan0


    but then I couldn't connect to internet.



    It's forbidden for me to use NetworkManager, actually I had to remove it.



    Could anyone help me with this?










    share|improve this question

























      0












      0








      0







      I'd like to configure internet connection on device with ubuntu 18.04 LTS using wifi and 3g dongle. I'd actually set up both ways via wlan0 and ppp0 interfaces, but my goal is to make wifi preferable over 3g, so device should try to use wifi and only if connection cannot be made it should try through 3g. I've already tried with ifmetric but it gave me nothing. My route table after that looks like:



      Kernel IP routing table
      Destination Gateway Genmask Flags Metric Ref Use Iface
      default 0.0.0.0 0.0.0.0 U 1000 0 0 ppp0
      10.64.64.64 0.0.0.0 255.255.255.255 UH 1000 0 0 ppp0
      192.168.0.0 0.0.0.0 255.255.255.0 U 10 0 0 wlan0


      but still all packets go through ppp0. I've also tried deleting default route and adding new with:



      sudo route del default ppp0
      sudo route add default wlan0


      but then I couldn't connect to internet.



      It's forbidden for me to use NetworkManager, actually I had to remove it.



      Could anyone help me with this?










      share|improve this question













      I'd like to configure internet connection on device with ubuntu 18.04 LTS using wifi and 3g dongle. I'd actually set up both ways via wlan0 and ppp0 interfaces, but my goal is to make wifi preferable over 3g, so device should try to use wifi and only if connection cannot be made it should try through 3g. I've already tried with ifmetric but it gave me nothing. My route table after that looks like:



      Kernel IP routing table
      Destination Gateway Genmask Flags Metric Ref Use Iface
      default 0.0.0.0 0.0.0.0 U 1000 0 0 ppp0
      10.64.64.64 0.0.0.0 255.255.255.255 UH 1000 0 0 ppp0
      192.168.0.0 0.0.0.0 255.255.255.0 U 10 0 0 wlan0


      but still all packets go through ppp0. I've also tried deleting default route and adding new with:



      sudo route del default ppp0
      sudo route add default wlan0


      but then I couldn't connect to internet.



      It's forbidden for me to use NetworkManager, actually I had to remove it.



      Could anyone help me with this?







      ubuntu wireless-networking routing 3g dongle






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Dec 17 '18 at 12:03









      Norbert Chmiel

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