Multiple interface mobile node with simultaneous home- and foreign network connection

The invention relates to the local agent and mobile node and control method, mobile node with the local ring is connected with the intercepting the local packet agent and at least one above which are, wherein the method comprises: The local proxy and receiving and sending a mobile node a mobile node and other local address the support of grouping, wherein a request mobile node link layer, addressThe local proxy connected to the local, and sends out mobile node's local address's the destination address of grouping insulator, the mobile node end of the link layer address of local proxy advertisement, mobile node without end of the local ring the mobile node the link layer address, advertisementThe local proxy automatically according to the local proxy the link layer address advertisement, from at least one 1 routing by a local proxy link layer address sends out mobile node packet of local, addressUsing mobile node's link layer address; the sending of mobile node to the mobile node packet of local address.