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    • 14. 发明授权
    • Router for high-speed packet communication between terminal apparatuses
in different LANs
    • 路由器用于在不同LAN中的终端设备之间进行高速分组通信
    • US05999536A
    • 1999-12-07
    • US976875
    • 1997-11-24
    • Mitsuhiro KawafujiYasuaki ShimizuKiyoshi Kitagawa
    • Mitsuhiro KawafujiYasuaki ShimizuKiyoshi Kitagawa
    • H04L12/46H04L29/12H04L12/66
    • H04L29/12018H04L29/12009H04L61/10
    • In a router having a routing section for performing routing on the basis of a routing table and an ARP (address resolution protocol) table to transmit a received packet to a destination, and adapted to connect a plurality of local area networks (LANs), to realize high-speed routing, the IP addresses and MAC addresses of the terminal apparatuses in the LANs directly connected to the router are stored in a memory table in correspondence with the interfaces information to which the LANs are connected, together with the IP addresses of the terminal apparatuses in a LAN connected to the router through another router, the MAC address of another router, and the interfaces information to which another router is connected, which are stored in correspondence with each other. When a packet determination section determines that a received packet satisfies predetermined conditions, and a registration determination section determines that destination IP address of the packet is registered in the memory table, a second routing section specially designed for packets satisfying the predetermined conditions reads out information corresponding to the IP address from the memory table, updates the MAC address of the received packet with the information, and outputs the packet.
    • 在具有路由部分的路由器中,路由部分用于基于路由表和ARP(地址解析协议)表执行路由,以将接收的分组发送到目的地,并且适于将多个局域网(LAN)连接到 实现高速路由,直接连接到路由器的LAN中的终端设备的IP地址和MAC地址与LAN连接的接口信息一起存储在存储表中,以及IP地址 通过另一路由器连接到路由器的LAN中的终端设备,另一路由器的MAC地址以及彼此相对应地存储的另一路由器连接到的接口信息。 当分组确定部分确定接收到的分组满足预定条件,并且注册确定部分确定分组的目的地IP地址被登记在存储表中时,针对满足预定条件的分组专门设计的第二路由部分读出对应的信息 从存储器表中的IP地址,用信息更新接收到的分组的MAC地址,并输出该分组。