moon::echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
sun::echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
alice::"ip route add fec2:\:/16 via fec1:\:1"
moon::"ip route add fec2:\:/16 via fec0:\:2" 
sun::"ip route add fec1:\:/16 via fec0:\:1" 
bob::"ip route add fec1:\:/16 via fec2:\:1"
moon::ipsec start
sun::ipsec start
moon::sleep 2 
moon::ipsec up net-net
moon::sleep 1