NAT in Four Flavours — Static, Dynamic, PAT

NAT translates between inside-local (private), inside-global (public), outside-local and outside-global. Four flavours: Type Mapping Inbound Public IPs Static 1:1 permanent yes 1 per host — servers Dynamic 1:1 temporary from pool no pool PAT / overload many:1 by ports no one — the internet default interface g0/0 ip nat inside interface g0/1 ip nat outside […]