Patent ID: 7653044

Claim:
An apparatus comprising: a plurality of ports to receive packets, wherein each of the packets is associated with a source Internet protocol version 6 (IPv6) address and a destination IPv6 address; a site circuit to determine, for each of the packets, a source site for the source IPv6 address, and a destination site for the destination IPv6 address; a scope circuit to determine, for each of the packets, a source scope level for the source IPv6 address, and a destination scope level for the destination IPv6 address; a command circuit to select one of a plurality of actions for each of the packets based on the source site and the source scope level for the source IPv6 address associated with each of the packets and the destination site and destination scope level for the destination IPv6 address associated with each of the packets; wherein the plurality of actions comprise: forwarding a packet according to the destination IPv6 address associated with the packet; and dropping a packet.