NAT setup
| conf t |
| enter into configuration mode on the router |
| int fa0/0 |
| ip nat outside |
| mark the interface for outside NAT |
| int fa0/1 |
| ip nat inside |
| mark the interface for inside NAT |
| exit |
| ip nat pool NewNat 192.168.1.2 192.168.1.254 netmask 255.255.255.0 |
| setup a NewNat named pool, including setup the start and end addresses. |
| access-list 1 permit 192.168.1.0 0.0.0.255 |
| create an access list with ID 1 which allows internal network connections |
| ip nat inside source list 1 pool NewNat |
| apply the new policy |
| ip nat inside source list 1 pool NewNat overload |
| enable port address translation – it is useful if we use lots of ports in the internal network at large organization network |
| do sh ip nat statistics |
| list NAT information |
| ip nat inside source static tcp 192.168.1.2 8080 84.21.10.10 80 |
| setup the 8080 tcp port forward to inside |
| do sh ip nat translations |
| list the NAT table translations |
| exit |
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