tunnelbroker.net : deprecated tunnel setup on Linux using "ifconfig" and "route"

tunnelbroker-net.linux-deprecated.sh

#!/bin/bash

# Using "ifconfig" and "route" (deprecated)
# <http://tldp.org/HOWTO/Linux+IPv6-HOWTO/conf-ipv6-in-ipv4-point-to-point-tunnels.html>

# You should rather use this one instead (makes use of the tool "ip"): <https://gist.github.com/962408>

# Run like this:
#     sudo ./tunnelbroker-net.linux-deprecated.sh

set -x

DEV0="sit0"
DEV1="sit1"
HEIPV4SERVER="::216.66.80.30"
HEIPV6CLIENT="2001:470:1f0a:2abc::2/64"


ifconfig $DEV0 up
ifconfig $DEV0 inet6 tunnel $HEIPV4SERVER
ifconfig $DEV1 up
ifconfig $DEV1 inet6 add $HEIPV6CLIENT
route -A inet6 add ::/0 dev $DEV1

cat << EOF
You set up the tunnel. To remove the tunnel again, run those commands as root:

route -A inet6 delete ::/0 dev $DEV1
ifconfig $DEV1 down
ifconfig $DEV0 down
EOF