Wrt1900acs nine installed today - peripheral unknown offline appearing in the network map

Installed my new wrt1900acs today, began to connect devices, signed for the Smart Wifi Linksys. The network card correctly displays all connected devices, but there is a mystery device appear offline. I have used Parental controls to block access to this device until I can find more.

How would a device appear? It should be linked at some point?  The new router has only been for 3-4 hours.  I connected only 2 laptops, a desk and a phone to iOS. Have not connected my non - iOS wifes phone still.  There are also 2 other routers and networks connected to the same Comcast modem.

The mystery device is presented as "generic device" with only a name and a MAC address.  I was able to remove, but did not know if there was a simple explanation for it.

Yes it should have been connected or on the network at any given time.

Use the clear network adapter icon in the top-right corner of the user interface to allow the map to regenerate. I could take a few minutes.

Tags: Linksys Routers

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