| 摘要 |
A switching device includes a plurality of input/output ports, a forwarding table that correlates the IP address with the port via which a packet having the IP address as a destination is to be output, and a packet send/receive controller. The packet send/receive controller references the forwarding table to forward a received packet via the port correlated with the destination IP address of the received packet. The packet send/receive controller updates the forwarding table as to a source IP address of the received packet and as to a port that received the packet. A plural number of ports may be correlated with a single IP address in the forwarding table. In case the plural number of the ports are correlated with the single IP address, the packet send/receive controller forwards the received packet via the correlated plural number of the ports.
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