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Bridges without an IP


Why do we need an IP address for a bridge?How to add an IP alias on a bridged interface?How do I start my network bridge automatically upon boot?12.04 NetworkManager trying to configure eth0 which is on a bridgeConnecting Two Computers Together: Assigning IP doesnt workRouting and Ip setup14.04 no internet connection when I up the bridge interface (for LXC container)Cloud in a Box Issue - LXD static host with DHCP bridge and static LXD host reservationsRenaming ethernet devices in 16.04






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This answer states that a network bridge doesn't always have to have a IP address. It mentions this entry for /etc/network/interfaces:



auto br0
iface br0 inet manual
bridge_ports eth0


which should define a bridge called br0, connected to eth0. Does this make eth0 exclusively available to the bridge, i.e. not to the host?



I am asking because the answer above says if you specify 0.0.0.0 as the bridge's address, the VMs would be connected to eth0 but not the host. Is doing that effectively the same thing, or a different thing?










share|improve this question































    1


















    This answer states that a network bridge doesn't always have to have a IP address. It mentions this entry for /etc/network/interfaces:



    auto br0
    iface br0 inet manual
    bridge_ports eth0


    which should define a bridge called br0, connected to eth0. Does this make eth0 exclusively available to the bridge, i.e. not to the host?



    I am asking because the answer above says if you specify 0.0.0.0 as the bridge's address, the VMs would be connected to eth0 but not the host. Is doing that effectively the same thing, or a different thing?










    share|improve this question



























      1













      1









      1








      This answer states that a network bridge doesn't always have to have a IP address. It mentions this entry for /etc/network/interfaces:



      auto br0
      iface br0 inet manual
      bridge_ports eth0


      which should define a bridge called br0, connected to eth0. Does this make eth0 exclusively available to the bridge, i.e. not to the host?



      I am asking because the answer above says if you specify 0.0.0.0 as the bridge's address, the VMs would be connected to eth0 but not the host. Is doing that effectively the same thing, or a different thing?










      share|improve this question














      This answer states that a network bridge doesn't always have to have a IP address. It mentions this entry for /etc/network/interfaces:



      auto br0
      iface br0 inet manual
      bridge_ports eth0


      which should define a bridge called br0, connected to eth0. Does this make eth0 exclusively available to the bridge, i.e. not to the host?



      I am asking because the answer above says if you specify 0.0.0.0 as the bridge's address, the VMs would be connected to eth0 but not the host. Is doing that effectively the same thing, or a different thing?







      networking network-bridge






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Sep 27 at 20:16









      BenniBenni

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