Multiple Micrologix behind a router

I am going the VPN route, but just out of curiosity in case this may help on another job, what is the other way? I know I can forward port 44818 (which is not changeable in RSLinx) to a specific PLC, but without changing the port forwarding setup in the router each time I need to access a different PLC, how would you do it?

in your case the only way to do it would be to change it every time.
 

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