Included is an apparatus comprising a first network node in a first network configured to act as a home agent (HA) for a mobile node (MN), wherein the first network is one of a plurality of networks that connect to the MN, and wherein a second network that connects to the MN comprises a second network node configured to act as a second HA for the MN. Also included is a method comprising receiving, by a first network node, a binding update message, wherein the first network node is in a first network, and wherein the first network node is configured to act as a HA for a MN; and sending, by the first network node, a binding acknowledgement, wherein the binding update message comprises a multicast state of the MN.