aredn/files/etc/hotplug.d/iface/13-vtun

#!/bin/sh
# Handles setting up rules for tunnel interfaces               
if [ -x "/usr/sbin/vtund" ]
then
  ISVPN=false
  case "$INTERFACE" in
  	tun*)
  	ISVPN=true;
  	;;
  esac

  if [ "$ISVPN" = true ]; then                            
    INTF=tun${INTERFACE:3}         
    if [ $ACTION = "ifup" ] ; then                                        
       /usr/local/bin/vtun_up $INTF up                                     
       # echo "$INTF up" >> /tmp/vtundscript.log                         
    elif [ $ACTION = "ifdown" ] ; then             
       /usr/local/bin/vtun_up $INTF down        
       # echo "$INTF down" >> /tmp/vtundscript.log            
    fi                           
  fi 
fi