Configuring bridge network in kvm (debian wheezy 7.2)

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0















I am trying to run untangle 10 as a guest in kvm. My host system is debian 7.2



My problem is that I am unable to configure bridges/(virtual)NICS which are successfully identified by untangle. I would like to have two NICS in untangle. One for the internet connection and the other one for the internal network.



I already read several tutorials and how-to's and as far as I understood I have to configure network bridges.



I tried to configure them in /etc/network/interfaces



auto lo
iface lo inet loopback

iface eth0 inet manual

auto br0
iface br0 inet dhcp
bridge_ports eth0


I also tried to configure them via virt-manager and I also tried to use macvtap.



In all three cases I was not able to establish a connection via untangle. Is there anything I am missing/doing wrong?










share|improve this question




























    0















    I am trying to run untangle 10 as a guest in kvm. My host system is debian 7.2



    My problem is that I am unable to configure bridges/(virtual)NICS which are successfully identified by untangle. I would like to have two NICS in untangle. One for the internet connection and the other one for the internal network.



    I already read several tutorials and how-to's and as far as I understood I have to configure network bridges.



    I tried to configure them in /etc/network/interfaces



    auto lo
    iface lo inet loopback

    iface eth0 inet manual

    auto br0
    iface br0 inet dhcp
    bridge_ports eth0


    I also tried to configure them via virt-manager and I also tried to use macvtap.



    In all three cases I was not able to establish a connection via untangle. Is there anything I am missing/doing wrong?










    share|improve this question


























      0












      0








      0








      I am trying to run untangle 10 as a guest in kvm. My host system is debian 7.2



      My problem is that I am unable to configure bridges/(virtual)NICS which are successfully identified by untangle. I would like to have two NICS in untangle. One for the internet connection and the other one for the internal network.



      I already read several tutorials and how-to's and as far as I understood I have to configure network bridges.



      I tried to configure them in /etc/network/interfaces



      auto lo
      iface lo inet loopback

      iface eth0 inet manual

      auto br0
      iface br0 inet dhcp
      bridge_ports eth0


      I also tried to configure them via virt-manager and I also tried to use macvtap.



      In all three cases I was not able to establish a connection via untangle. Is there anything I am missing/doing wrong?










      share|improve this question
















      I am trying to run untangle 10 as a guest in kvm. My host system is debian 7.2



      My problem is that I am unable to configure bridges/(virtual)NICS which are successfully identified by untangle. I would like to have two NICS in untangle. One for the internet connection and the other one for the internal network.



      I already read several tutorials and how-to's and as far as I understood I have to configure network bridges.



      I tried to configure them in /etc/network/interfaces



      auto lo
      iface lo inet loopback

      iface eth0 inet manual

      auto br0
      iface br0 inet dhcp
      bridge_ports eth0


      I also tried to configure them via virt-manager and I also tried to use macvtap.



      In all three cases I was not able to establish a connection via untangle. Is there anything I am missing/doing wrong?







      debian kvm bridge






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Dec 15 '18 at 15:18









      Rui F Ribeiro

      41.8k1483142




      41.8k1483142










      asked Nov 12 '13 at 0:44









      FlorianFlorian

      12




      12




















          2 Answers
          2






          active

          oldest

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          0














          if iptables is active, we can give the following rules.



          sysctl -w net.ipv4.ip_forward=1
          iptables -A FORWARD -m physdev --physdev-out br0 -j ACCEPT
          iptables -A FORWARD -m physdev --physdev-in br0 -j ACCEPT





          share|improve this answer
































            0
















            # The loopback network interface
            auto lo
            iface lo inet loopback

            # The bribge network interface
            auto br0
            iface br0 inet dhcp
            bridge_ports eth0
            bridge_stp off
            bridge_fd 0
            bridge_maxwait 0






            share|improve this answer

























            • Your extra options bridge_stp, _fd, _maxwait aren't mentioned in the interfaces(5) manpage. Where did you find out what they do?

              – JigglyNaga
              Jul 29 '16 at 12:55











            • This is an example where only one bridge is used and not needed stp

              – Andrey Golub
              Jul 29 '16 at 13:15











            Your Answer








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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            0














            if iptables is active, we can give the following rules.



            sysctl -w net.ipv4.ip_forward=1
            iptables -A FORWARD -m physdev --physdev-out br0 -j ACCEPT
            iptables -A FORWARD -m physdev --physdev-in br0 -j ACCEPT





            share|improve this answer





























              0














              if iptables is active, we can give the following rules.



              sysctl -w net.ipv4.ip_forward=1
              iptables -A FORWARD -m physdev --physdev-out br0 -j ACCEPT
              iptables -A FORWARD -m physdev --physdev-in br0 -j ACCEPT





              share|improve this answer



























                0












                0








                0







                if iptables is active, we can give the following rules.



                sysctl -w net.ipv4.ip_forward=1
                iptables -A FORWARD -m physdev --physdev-out br0 -j ACCEPT
                iptables -A FORWARD -m physdev --physdev-in br0 -j ACCEPT





                share|improve this answer















                if iptables is active, we can give the following rules.



                sysctl -w net.ipv4.ip_forward=1
                iptables -A FORWARD -m physdev --physdev-out br0 -j ACCEPT
                iptables -A FORWARD -m physdev --physdev-in br0 -j ACCEPT






                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited Mar 24 '14 at 17:02









                Ramesh

                24k34105188




                24k34105188










                answered Mar 24 '14 at 16:55









                user63467user63467

                1




                1























                    0
















                    # The loopback network interface
                    auto lo
                    iface lo inet loopback

                    # The bribge network interface
                    auto br0
                    iface br0 inet dhcp
                    bridge_ports eth0
                    bridge_stp off
                    bridge_fd 0
                    bridge_maxwait 0






                    share|improve this answer

























                    • Your extra options bridge_stp, _fd, _maxwait aren't mentioned in the interfaces(5) manpage. Where did you find out what they do?

                      – JigglyNaga
                      Jul 29 '16 at 12:55











                    • This is an example where only one bridge is used and not needed stp

                      – Andrey Golub
                      Jul 29 '16 at 13:15















                    0
















                    # The loopback network interface
                    auto lo
                    iface lo inet loopback

                    # The bribge network interface
                    auto br0
                    iface br0 inet dhcp
                    bridge_ports eth0
                    bridge_stp off
                    bridge_fd 0
                    bridge_maxwait 0






                    share|improve this answer

























                    • Your extra options bridge_stp, _fd, _maxwait aren't mentioned in the interfaces(5) manpage. Where did you find out what they do?

                      – JigglyNaga
                      Jul 29 '16 at 12:55











                    • This is an example where only one bridge is used and not needed stp

                      – Andrey Golub
                      Jul 29 '16 at 13:15













                    0












                    0








                    0









                    # The loopback network interface
                    auto lo
                    iface lo inet loopback

                    # The bribge network interface
                    auto br0
                    iface br0 inet dhcp
                    bridge_ports eth0
                    bridge_stp off
                    bridge_fd 0
                    bridge_maxwait 0






                    share|improve this answer

















                    # The loopback network interface
                    auto lo
                    iface lo inet loopback

                    # The bribge network interface
                    auto br0
                    iface br0 inet dhcp
                    bridge_ports eth0
                    bridge_stp off
                    bridge_fd 0
                    bridge_maxwait 0







                    share|improve this answer














                    share|improve this answer



                    share|improve this answer








                    edited Jul 29 '16 at 12:43

























                    answered Jul 29 '16 at 12:38









                    Andrey GolubAndrey Golub

                    11




                    11












                    • Your extra options bridge_stp, _fd, _maxwait aren't mentioned in the interfaces(5) manpage. Where did you find out what they do?

                      – JigglyNaga
                      Jul 29 '16 at 12:55











                    • This is an example where only one bridge is used and not needed stp

                      – Andrey Golub
                      Jul 29 '16 at 13:15

















                    • Your extra options bridge_stp, _fd, _maxwait aren't mentioned in the interfaces(5) manpage. Where did you find out what they do?

                      – JigglyNaga
                      Jul 29 '16 at 12:55











                    • This is an example where only one bridge is used and not needed stp

                      – Andrey Golub
                      Jul 29 '16 at 13:15
















                    Your extra options bridge_stp, _fd, _maxwait aren't mentioned in the interfaces(5) manpage. Where did you find out what they do?

                    – JigglyNaga
                    Jul 29 '16 at 12:55





                    Your extra options bridge_stp, _fd, _maxwait aren't mentioned in the interfaces(5) manpage. Where did you find out what they do?

                    – JigglyNaga
                    Jul 29 '16 at 12:55













                    This is an example where only one bridge is used and not needed stp

                    – Andrey Golub
                    Jul 29 '16 at 13:15





                    This is an example where only one bridge is used and not needed stp

                    – Andrey Golub
                    Jul 29 '16 at 13:15

















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