mail:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet static
        address 200.60.139.215
        netmask 255.255.255.240
        network 200.60.139.208
        broadcast 200.60.139.223
        gateway 200.60.139.209
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 200.48.0.37 200.48.0.38
        dns-search sedalib.com.pe
# The eth1 interface network
allow-hotplug eth1
iface eth1 inet static
        address 200.10.9.3
        netmask 255.255.255.0
        network 200.10.9.0