How routers deal with only one external IP?

How routers deal with only one external IP? I hope you found a solution that worked for you :) The Content (except music & images) is licensed under (https://meta.stackexchange.com/help/licensing)CC BY-SA Thanks to all those great people for their contributions! (superuser.com/users/1798022/some-name)Some Name (superuser.com/users/855367/reddy-lutonadio)Reddy Lutonadio (superuser.com/users/1686/user1686)user1686 (superuser.com/users/1294194/mysteriousmadcoder)MysteriousMadCoder A special thanks goes out to the (https://superuser.com/questions/1788361/how-routers-deal-with-only-one-external-ip)Stackexchange community I wish you all a wonderful day! Stay safe :) linux router nat networking iptables

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