Port Forwarding with NAT overload

NAT
!
interface GigabitEthernet0/0
 ip address 203.203.203.2 255.255.255.252
 ip nat outside
!

Port Forwarding without NAT overload

NAT
!
interface gigabitEthernet0/0
 ip address 203.203.203.2 255.255.255.252
 ip nat outside
!

IPSEC-VPN

R1 Configuration!!!!!!!!!!!!!!!!!!!!!

R1#
R1#configure terminal
R1(config)#interface fastEthernet 0/1

NAT Overload

R1 Configuration!!!!!!!!!!!!!!!!!!!!!

R1#
R1#configure terminal
R1(config)#interface fastEthernet 0/1

Dynamic NAT ( Network Address Translation )

R1 Configuration!!!!!!!!!!!!!!!!!!!!!

R1#
R1#configure terminal
R1(config)#interface fastEthernet 0/1