How to get mac addresses of clients connected to a router through an external request : <p>The situation is that I have to scan mac addresses of clients(portable ones) connected to multiple routers. I want to set up a server that can make an external request (or some networking tool to scan) all the routers to fetch the required data.</p>

<p>P.S.: I do know about nmap scan, but for that, the server also has to be connected to same router, and I can't fetch/scan from other routers.</p>
