Patent ID: 8553689

Claim:
A home agent on a home link, the home agent being a router configured to control forwarding of packets destined to a mobile node, wherein the mobile node is attached to the home link, and at least one router other than the home agent is on the home link, the home agent comprising: a receiver configured to intercept packets destined to the mobile node's home address, wherein the receiver is further configured to receive from the mobile node a request to receive and forward the packets addressed to the mobile node's home address, the request including a mobile node's link-layer address; an advertising unit, including a processor, configured to advertise on the home link, on behalf of the mobile node, the home agent's link-layer address as a destination address for the mobile node's home address, wherein the mobile node stops an operation of advertising, to the at least one router on the home link, the mobile node's link-layer address, wherein the receiver is further configured to receive from the at least one router, in response to advertising of the home agent's link-layer address, the packets destined to the mobile node's home address having the home agent's link-layer address, and wherein the home agent further comprises: a forwarding unit configured to forward all packets, addressed to the mobile node's home address, to the mobile node using the mobile node's link-layer address.