tcpdump -D See the list of interfaces on which tcpdump can listen
tcpdump -i eth0 Listen on interface eth0:
tcpdump -i any Listen on any available interface (cannot be done in promiscuous mode. Requires Linux kernel 2.2 or greater):
tcpdump -D See the list of interfaces on which tcpdump can listen
tcpdump -i eth0 Listen on interface eth0:
tcpdump -i any Listen on any available interface (cannot be done in promiscuous mode. Requires Linux kernel 2.2 or greater):