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

Static NAT ( Network Address Translation )

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

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

GRE without Authentication

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

R1#configure terminal
R1(config)#interface fastEthernet 1/1
R1(config-if)#ip address 192.168.1.254 255.255.255.0
R1(config-if)#no shu
R1(config-if)#do write me