Nowadays most of servers come with two or more network interfaces to allow load balancing or fault tolerance. Debian supports bonding interfaces in the next way. Is recommended running these commands from the console. Install first ifenslave utilities # apt get install ifenslave-2.6 Stop networking running: # /etc/init.d/networking stop Now add the modules to be loaded editing the file /etc/modprobe.d/bonding with next lines alias bond0 bonding options bonding mode=1 miimon=100 downdelay=200 Read more...