find highest number of incoming and outgoing non-unicast packets

gistfile1.txt

if ! type gawk >/dev/null ; then
    echo "script requires gawk, please install it via apt/similar"
fi

cd ~/var/pnp4nagios/perfdata || exit 1

# out
for X in */Interface_*_outnucast.rrd; do
    rrdtool fetch $X MAX -r 300 -s -1h | gawk -v x=$X '{printf(x",\t\t %s,%8.2f,%8.2f \n",strftime("%c",$1),$2,$3) }'
done  |\
grep -v nan | sort -t',' -r -k3 | head


# in
for X in */Interface_*_innucast.rrd; do
    rrdtool fetch $X MAX -r 300 -s -1h | gawk -v x=$X '{printf(x",\t\t %s,%8.2f,%8.2f \n",strftime("%c",$1),$2,$3) }'
done  |\
grep -v nan | sort -t',' -r -k3 | head

still need to get the date ranges figured, but maybe this'll help someone else as a startingpoint.