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As Steffen Ullrich points out in his answer, it is common for wifi providers to create a mesh network of wifi access points to blanket a large region, or even an entire geographic area - so that users of their service can move around within the area freely and stay connected. In these setups, all of the access points in the mesh group have the same SSID, ...


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There ought to be something more substantial than just an access point name to authenticate a Wifi router ... The name of the AP is not used to authenticate the AP against the client at all, it is only used to identify possible known networks. Why isn't there a shared secret? Because there is one. The password as used in most common setups is not only ...


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