interface Ethernet0/0
 ip address 192.168.12.1 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.112.1 255.255.255.0
!
interface Ethernet0/2
 ip address 192.168.1.1 255.255.255.0

ip route 2.2.2.0 255.255.255.0 192.168.12.2
ip route 2.2.2.0 255.255.255.0 192.168.112.2 2