# tshark -a duration:600 -i wlan0 Running as user "root" and group "root". This could be dangerous. Capturing on wlan0 device wlan0 entered promiscuous mode 0.000000 74:da:38:41:56:bc -> ff:ff:ff:ff:ff:ff ARP Who has 152.21.0.100? Tell 152.21.0.31 0.304471 152.21.0.100 -> 152.21.0.31 DHCP DHCP Request - Transaction ID 0xe2b63887 device wlan0 left promiscuous mode 2 packets captured root 12:07:39 : ~ # echo $? 0