Changed Device IP Addresses: Why Private Wi-Fi Addresses Can Break DHCP Reservations

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A device that normally receives the same local address may suddenly be assigned a different one, often because of private Wi-Fi address features. A DHCP reservation ties an address to a recognized client, but a device's private Wi-Fi address is a separate identifier, so the reservation may not match. The guide advises checking the router's connected-client view, noting the time and network, and comparing the device's current Wi-Fi address with the one in the reservation. If they differ, the reservation should be updated, and the device should be reconnected to confirm the intended address is offered before any manual assignment is made.

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