Patent ID: 8045569

Claim:
An access router comprising: a wireless network interface that establishes a wireless link with a wireless terminal; an address assignment module that determines a list of packet data networks for use by the wireless terminal; and an availability module that determines a mobile internet protocol availability for each packet data network in the list of packet data networks and that generates an availability signal based on each mobile internet protocol availability, wherein the address assignment module transmits an address assignment message that includes the availability signal to the wireless terminal, wherein each of the mobile internet protocol availabilities has a first state when a respective packet data network in the list of packet data networks is routable from the access router and the access router allows mobile internet protocol between the respective packet data network and the wireless terminal, and wherein each of the mobile internet protocol availabilities has a second state when at least one of the respective packet data network is not routable from the access router and the access router disallows mobile internet protocol between the respective packet data network and the wireless terminal.