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Due to the assistance of the mobile IPv6 approach, a mobile node can effectively maintain its IP-layer connectivity to the Internet when it changes its point-of-attachment somewhere in the world. During the accomplishment of the handover, the mobile node is unable to send or even receive IPv6 packets, both due to its L2 and also L3 handover operations. In this paper, the author discussed the different types of handovers, given as fast handover for IEEE 802.11, enhanced WLAN handover, and fast mobile IPv6 approach. Each implementation is configured to access a point involved with a special SSID string that provides all the information about the prefix of the attached AR in the background. Whenever the mobile node anticipates some upcoming handoff, the handover-tool is automatically informed about the prefix of the new AP. In that way the mobile node performs "anticipative" configuration of the new IP address on the new subnet by using the router prefix information carried in the beacon message of the new AP.