Detects and counts dropped UDP packets for 60 seconds (for port 0x0d81)

dropped_udp.sh

#!/bin/bash

for i in `seq 0 60`; do 
    echo "sample $i"; 
    timestamp=$(date +%s)
    value=$(cat /proc/net/udp | grep ": 0100007F:0D81" | tr -s [:space:] '|' | sed 's/|/ /g' | awk '{print $13}')
    echo "$timestamp $value"
    sleep 1
done