void __4_4_1__SWITCHING_ENGINE() {
    /**
     * @group:       	4.4.1 SWITCHING ENGINE
     *
     * @description:	A high-performance switching engine is used to move data to and from the MAC's packet buffers. It operates in store
     *					and forward mode, while an efficient switching mechanism reduces overall latency. The switching engine has a
     *					256KByte internal frame buffer that is shared between all the ports.
     *					For the majority of switch functions, all of the data ports are treated equally. However, a few functions such as IGMP
     *					snooping, 802.1X, forwarding invalid VLAN packets, etc., give special recognition to the host port. Any port (but most
     *					commonly port 6 or port 7) may be assigned as the host port by enabling tail tagging mode for that port. Only one port
     *					may be a host port.
     *					When a switch receives a non-error packet, it checks the packet's destination MAC address. If the address is known,
     *					the packet is forwarded to the output port that is associated with the destination MAC address. The following paragraphs
     *					describe the key functions of destination address lookup and source address learning. These processes may be com-
     *					bined with VLAN support and other features, which are described in the subsequent sub-sections.
     *
     */
}