- Packet.
- Outside local.
- With the ip nat inside and ip nat outside commands.
- The show ip nat translations command.
- When you have a web server (for example) on the inside of your network.
- ip nat inside source static 192.168.1.1 200.1.1.1.
- The overload command.
- The ip nat inside or ip nat outside command.
- The debug ip nat [detailed] command.