l2tp-opnsense.sh

if [ "$(ifconfig | grep 217.169.20.20)" ]; then
    echo "L2TP Tunnel is UP"
else
    echo "L2TP Tunnel is DOWN"
    echo "Restarting interface"
    /usr/local/etc/rc.linkup stop l2tp0
    /usr/local/etc/rc.linkup start l2tp0
    echo "Killing existing process"
    kill $(cat /var/run/l2tp_opt2.pid)
    sleep 5
    echo "Running mpd5"
    /usr/local/sbin/mpd5 -b -d /var/etc -f mpd_opt2.conf -p /var/run/l2tp_opt2.pid -s ppp l2tpclient # https://github.com/opnsense/core/blob/master/src/etc/inc/interfaces.inc
    echo "L2TP Tunnel has been restarted"
fi