Inter-network connection apparatus having address searching/registering sections, network control sections with a receiving FIFO memory and a sending FIFO memory

摘要

A connection apparatus connecting LANs includes LAN control sections, an address searching/registering section and a wiring network. The LAN control sections are respectively provided for LANs which transmit frames, and at least issue a request for address registering and a request for address searching. The address searching/registering section executes address searching/registering processing in accordance with the address searching/registering requests from the LAN control sections. The wiring network includes transmission lines for independently transmitting frames between the LAN control sections.