arpoison -i <device> -d <destIP> -s <sourceIP> -t <targMAC> -r <srcMAC> -s Source IP address in dotted decimal notation -i Device e.g. eth0 -d Destination IP address in dotted decimal notation. -s Source IP address in dotted decimal notation -t Target MAC address e.g. 00:f3:b2:23:17:f5 -r Source MAC address