| 摘要 |
PROBLEM TO BE SOLVED: To provide a device that always monitors traffic on a network and counts the number of transmissions of a frame by a sender address. SOLUTION: The network information acquisition device that connects with a network where one information processing unit transmits a frame to other information processing unit and acquires information relating to the network from the frame including an address of a sender is provided with a frame reception means 11 that receives a frame from the network, an address extract means 12 that extracts an address of the sender of the frame received by the frame reception means, a counter means that counts the number of times of received frames for each address extracted by the address extract means and an output means that outputs the number of times of reception by address counted by the counter means and the repeated incorporates the network information acquisition device.
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