An L2/L3 packet processing and method are disclosed to process various Ethernet packets by interworking with a PBBN (Provider Backbone Bridges Network), a PBN (Provider Bridges Network), and an IPN (Internet Protocol Network)....http://www.google.com/patents/US8160071?utm_source=gb-gplus-sharePatent US8160071 - Apparatus and method for processing L2/L3 packet
