Bridging Ethernet interfaces in Ubuntu 12.04

From Zam Wiki

If you searching tutorial on how to create bridged interface, maybe you'll refer to Ubuntu documentation. Honestly, it's hard. Maybe it works. But in my case, it doesn't.

Nevermind, here I give you guide on how to do it in easier way.

  • First, install bridge-utils:
sudo apt-get install bridge-utils

It will create new interface called br0

  • Second, we bridge the interface that we want:
sudo brctl addbr br0
sudo brctl addif br0 eth0 eth1
  • You can restart you interface by this command:
sudo /etc/init.d/networking restart
  • You also can setup bridged interface automatically on boot by adding this to /etc/network/interfaces:
auto br0
iface br0 inet static
bridge_ports eth0 eth1

The important parameter is bridge_ports, which assign the ethernet port to bridge interface.

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