Bridge

 aptitude install bridge-utils ebtables

 brctl addbr br0
 brctl addif br0 eth0
 brctl addif br0 eth1
 brctl stp br0 on

Esimerkki

/etc/network/interfaces:

 auto lo
 iface lo inet loopback
 
 # The primary network interface
 allow-hotplug eth0
 allow-hotplug eth1
 
 iface eth0 inet static
 iface eth1 inet static
 
 auto br0
 
 # bridge
 iface br0 inet static
         address 192.168.0.1
         netmask 255.255.255.0
         bridge_ports eth0 eth1
         bridge_stp on

/etc/sysctl.conf Lisää tai muokkaa rivi muotoon

 net.ipv4.conf.default.forwarding=1