create a LAN IP with a WAN IP
i have my local network with a router connected to the internet, i wonder if is possible to create another LAN ip with one external WAN IP?

in conclusion: WAN IP xxx.xxx.xxx.xxx assign to 192.168.1.x
create a LAN IP with a WAN IP
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i have my local network with a router connected to the internet, i wonder if is possible to create another LAN ip with one external WAN IP?

in conclusion: WAN IP xxx.xxx.xxx.xxx assign to 192.168.1.x