R1
int e0/0/0
ip ad 192.168.1.254 24
int e0/0/1
ip ad 12.1.1.1 24
q
ip route-static 192.168.2.0 24 e0/0/1 12.1.1.2
R2
int e0/0/0
ip ad 12.1.1.2 24
int e0/0/1
ip ad 192.168.2.254 24
q
ip route-static 192.168.1.0 24 e0/0/0 12.1.1.1
R1
int e0/0/0
ip ad 192.168.1.254 24
int e0/0/1
ip ad 12.1.1.1 24
q
ip route-static 192.168.2.0 24 e0/0/1 12.1.1.2
R2
int e0/0/0
ip ad 12.1.1.2 24
int e0/0/1
ip ad 192.168.2.254 24
q
ip route-static 192.168.1.0 24 e0/0/0 12.1.1.1