| 摘要 |
PROBLEM TO BE SOLVED: To provide a switching hub collecting more effective statistic information to analyze traffic. SOLUTION: In the switching hub that registers the transmission source of a packet in relation to a port and retrieves a port relayed in the destination of the packet, there are storage regions 4-13 for extracting information for indicating retrieval and registration conditions from the operation of retrieval and registration for storage. COPYRIGHT: (C)2005,JPO&NCIPI
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