Linksys WiFi Router (Retail Product)
Last year I bought one of these. The ONLY EASY WAY to configure the thing was to set up a "cloud account" on a Linksys server, an account embedded in the router. The rational for this arrangement (from Linksys) was that the "Linksys App" would allow the proud owner of this kit to manage their router from the beach in Brazil. I wondered at the time if this arrangement also allowed Linksys to monitor the LAN.
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As it happens, I did find a way of configuring the device the old fashioned way - laptop, ethernet cable, router....AND NO INTERNET CONNECTION.
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Then I did a factory reset on the router, packed it into the original box and gave it to my local charity shop! SEP!