|Nat loopback has nothing to do with browsing a lan/server. You were given bad advice. |
If you had set the servers ip to that of the external ip you would have no internet.
Your advisor is confused about port forwarding and networking in general.
The server and macs need to be on the same subnet which if left alone would have been the default.
How about starting with what OS the server is and what macs you have. Then go on to tell us what the server is meant to do. Web pages?
Answers are only as good as the information you provide.
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