Static NAT Configuration
Static NAT configuration, as compared to the other variations of NAT, requires the fewest configuration steps. Each static mapping between a local (private) address and a global (public) address must be configured. Additionally, the router must be told on which interfaces it should use NAT, because NAT does not have to be enabled on every interface. In particular, the router needs to know each interface and whether the interface is an inside or outside interface. The specific steps are as follows:
Step 1. Configure interfaces to be in the inside part of the NAT design using the ip nat inside interface subcommand.
Step ...
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