A network switch for network communications includes a first data port interface, supporting a plurality of data ports transmitting and receiving data at a first data rate. A second data port interface supporting a plurality of data ports transmitting and receiving data at a second data rate. A CPU interface communicating with a CPU, an internal memory, a memory management having an external memory interface, and a communication channel are provided. A plurality of lookup tables having address resolution lookup/layer three lookup, rules tables, and VLAN tables are provided. One of the data port interfaces is configured to update the address resolution table based on newly learned layer to addresses and a synchronization process per entry is provided.