ifconfig eth0 192.168.1.254 broadcast 192.168.1.255 netmask 255.255.255.0
ifconfig eth1 192.168.2.254 broadcast 192.168.2.255 netmask 255.255.255.0
route add -net 192.168.1.0 netmask 255.255.255.0 gw 172.16.1.100
route add -net 192.168.2.0 netmask 255.255.255.0 gw 172.16.1.100