NAT & Port Forwarding · Intermediate · ~7 min
PAT / NAT overload
Share one public IP across many internal hosts using port numbers.
Host A192.168.1.10:5000
Host B192.168.1.11:5000
NAT routerPAT / overload
Internet server
NAT translation table
Send from both hosts to see them share one public IP with different ports.
| Private address | Public address | Note |
|---|
Pick a host and send its traffic. Then pick the other host and send too — watch the table fill in with a second row.