ARP poisoning is the act of broadcasting malicious reply packets and update the ARP caches of the systems on the network, my code does this very happily and in a very legitimate sort of way. i've checked it using the tcpdump sniffer and it does not reveal my own IP and moreover the change in the ARP cache can be seen using the arp -a command i've checked it and it does update the MAC address of the gateway replacing it with my MAC

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