Dedicated found in the second floor
Unlimited and can be used to exchange network environment
Active and passive detection
Active mode: netdiscover -i card name -r IP / network-bit / netdiscover -l IPList.txt
passive
netdiscover –p
Disadvantages: active arp easily trigger alarm
Active mode: initiate arp request, waiting for other hosts back pack
Passive mode: waiting for someone to initiate arp packet network
