دوستان و سروران کسی نظری در این مورد نداشت :
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.0
ip nat inside
interface FastEthernet0/1
ip address 10.20.1.1 255.255.255.0
ip nat outside
interface Serial0
ip address 80.90.1.1 255.255.255.192
ip nat outside
access-list 102 permit ip 192.168.1.0 0.0.0.255 10.51.0.0 0.0.255.255
access-list 10 permit 192.168.1.0 0.0.0.255
route-map interanet permit 10
match ip address 102
ip nat inside source route-map interanet interface fastethernet0/1 overload
ip nat inside source list 10 interface serial0 overload