# capturing packets
export HOST=`ifconfig | awk -F"-" '/^.+-eth0/ {print $1}'`
echo "this is host ${HOST}"

# to see it in the screen
## tcpdump -XX -n -e -i ${HOST}-eth0

# capture to a file
tcpdump -w /vagrant/resources/mininet/${HOST}.pcap -s0 -vvv -e -n -c 100 -i ${HOST}-eth0