ip route 200.1.2.0 255.255.255.0 200.1.1.2
ip route 192.168.1.0 255.255.255.0 200.1.1.1
int fa0/0
ip nat inside
int s2/0
ip nat outside
access-list 1 permit 192.168.1.0 0.0.0.255
ip nat pool henan 200.1.1.3 200.1.1.3 netmask 255.255.255.0
ip nat inside source list 1 pool henan overload
200.1.2.2