#!/usr/bin/env bash PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin device=${1:-"ppp0"} provider=${2:-"dsl-provider"} ptp_addr=`ifconfig $device 2>/dev/null | grep -e "P-[tz]-P" | cut -d":" -f3 | cut -d " " -f1` alternate_addr="google.com heise.de debian.org ubuntu.com" reconnect() { ifdown $provider >/dev/null 2> /dev/null sleep 5 killall -9 pppd sleep 2 ifup $provider >/dev/null 2> /dev/null sleep 3 ptp_addr=`ifconfig $device 2>/dev/null | grep -e "P-[tz]-P" | cut -d":" -f3 | cut -d " " -f1` if [ "X$ptp_addr" == "X" ] ; then echo "[ Error ]: reconnection host `hostname --long` failed at `date +\"%d.%m.%Y %H:%M:%S\"`" else echo "[ `hostname --long`]: reconnected at `date +\"%d.%m.%Y %H:%M:%S\"`" fi echo "" echo "`df`" } if [ "X$ptp_addr" == "X" ] ; then reconnect else ping -c3 $ptp_addr >/dev/null 2> /dev/null rval=$? if [ $rval -ne 0 ]; then for ip_addr in $alternate_addr ; do ping -c3 $ip_addr >/dev/null 2> /dev/null if [ $? -eq 0 ]; then exit 0 fi done; reconnect fi fi exit 0;