#!/bin/sh

case "$1" in

an_example|An_Example)
  #  Just an example. The'IP6{TYPE,ADDR,PREF,NAME,GWV4,GWV6} values depend
  # on the tunnel provider, 'IP6{SITN,EXDV}' depend on your host setup.
  : ${IP6SITN='sit-auto'}
  : ${IP6EXDV='eth0'}
  : ${IP6TYPE='host'}
  : ${IP6ADDR='2002:7f00:0001::1'}
  : ${IP6PREF='2002:7f00:0001::1/128'}
  : ${IP6NAME='ip6tb.example.org'}
  : ${IP6GWV4='192.88.99.1'}
  : ${IP6GWV6='2002:c058:6301::1'}
  ;;

*)
  exit 1;;
esac