#!/bin/sh

if ! runnable rdisc6; then
  exit 0
fi

while :; do
  x=$(ip -6 route | grep default)
  # if there is a default route, send a RS every 5 minutes.
  # If there is no route send every minute.
  if [ -n "$x" ]; then
    sleep_time=300
  else
    sleep_time=60
  fi
  rdisc6 -1 man
  sleep $sleep_time
done