Untuk mengatasi masalah dua Interface pada satu sistem, misal untuk Intranet dan Internet.
# 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 192.168.0.10
netmask 255.255.255.0
gateway 192.168.0.1
# The secondary network interface
allow-hotplug eth1
iface eth1 inet static
address 10.10.0.10
netmask 255.255.255.0
post-up ip route add 10.10.0.0/24 dev eth1 src 10.10.0.10 table rt2
post-up ip route add default via 10.10.0.1 dev eth1 table rt2
post-up ip rule add from 10.10.0.10/32 table rt2
post-up ip rule add to 10.10.0.10/32 table rt2
$ vi /etc/iproute2/rt_tables
#
# reserved values
#
255 local
254 main
253 default
0 unspec
#
# local
#
#1 inr.ruhep
1 rt2
ip route list table rt2
ip rule show