The host -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- the hub (tee) -- -- -- -- -- -- -- -- -- -- -- -- -- -- switch
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PC (winshark caught)



The above diagram
I think in the PC caught to switch the host data flow
But the PC up into the hub will always send arp on the second floor looking for gateway
Thus hindered the data flow of host
Can you tell me this kind of circumstance how to realize the caught? Or how to ban the PC so send data on the second floor, only receiving host and exchange data, realize to monitor