$sudo /usr/sbin/tcpdump -q tcpdump: WARNING: eth0: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 100535 bytes ^C 0 packets captured 0 packets received by filter 0 packets dropped by kernel $sudo /usr/sbin/tcpdump -q -i wlan0 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on wlan0, link-type EN10MB (Ethernet), capture size 100535 bytes 22:53:57.772687 IP ubuntu.ftp.heanet.ie.http > debian.local.33649: tcp 1430 22:53:57.772898 IP debian.local.33649 > ubuntu.ftp.heanet.ie.http: tcp 0 ^C22:53:57.777681 IP debian.local.51260 > 192.168.0.1.domain: UDP, length 44 3 packets captured 458 packets received by filter 422 packets dropped by kernel $