Abstract: On the case of receiving data frame from a station, the method of the present invention instructs the repeater to replace the content of the receiver address field by the address of the bridge when receiving the frame transmitted from the station, and then forwards the frames to the bridge. On the case of receiving a data frame transmitted from the bridge, the repeater can replace the content of transmitter address field by the address of the repeater itself, and then forwards the data frame to the station.

Abstract: The router of the invention comprises a routing table and an NAT table, which comprises an internet routing field for recording an address where a routing path to a WAN is stored, an intranet routing field for recording an address where a routing path to an LAN is stored, and a routing flag field for recording information indicating whether the NAT table stores an address where a routing path to a destination address is stored. When receiving a packet to a destination address, the router checks whether the NAT table records the address where a routing path to the destination address is stored. The router transmits the packet based on the routing information of the NAT table if the result is positive. If the result is negative, the router selects a routing path to the destination address from the routing table and transmits the packet base on the selected routing path.

Abstract: A device and a method for transmitting a MAC service data unit (MSDU) in a network system are disclosed. The MSDU has a plurality of pieces of frame data. The method includes receiving the pieces of frame data of the MSDU; and when finishing receiving each piece of frame data, even if not all of the pieces of frame data of the MSDU have been received, converting the received piece of frame data into a MAC protocol data unit (MPDU) and outputting the MPDU.

Abstract: The method of the present invention selects an access point with the lowest load, which will reply to the probe-request packet sent by a station, and then constructs an association between the station and the access point with the lowest load so as to balance the load of the plurality of access points. To select the access point with the lowest load, a master access point sends a load collection packet, and the access points with the same service set identifier send a load index packet when receiving the load collection packet. Afterward each access point performs a load comparison procedure to select the access point with the lowest load. The access point with the lowest load will turn on the probe-response function, and the other access point will turn off the probe-response function.

Abstract: On the case of receiving data frame from a station, the method of the present invention instructs the repeater to replace the content of the receiver address field by the address of the bridge when receiving the frame transmitted from the station, and then forwards the frames to the bridge. On the case of receiving a data frame transmitted from the bridge, the repeater can replace the content of transmitter address field by the address of the repeater itself, and then forwards the data frame to the station.