gre.sh

#!/bin/sh

# for FreeBSD

REMOTE_IPV4=<PEER_IPV4_ADDRESS>

LOCAL_IPV4=<YOUR_LOCAL_IPV4_ADDRESS>

REMOTE_IPV6=<PEER_TUNNEL_IF_IPV6_ADDRESS>

LOCAL_IPV6=<YOUR_TUNNEL_IF_IPV6_ADDRESS>

TUN=gre0 # fixme

case "$@" in

start)

ifconfig $TUN create

ifconfig $TUN tunnel $LOCAL_IPV4 $REMOTE_IPV4 link0

ifconfig $TUN inet6 $LOCAL_IPV6/64

ifconfig $TUN up

;;

stop)

ifconfig $TUN destroy

;;

show)

ifconfig

;;

ping)

ping6 -I $TUN $REMOTE_IPV6

;;

*)

echo "$0 [start|stop|show|ping]"

esac