# security policy by -P option.
# security policy by -R option.
# rtadvd -P "in ipsec ah/transport/fec0:0:0:1::1-fec0:0:0:10::1/require" \
# rtadvd -R "in ipsec ah/transport/fec0:0:0:1::1-fec0:0:0:10::1/require" \
# rtadvd -P "in ipsec ah/transport/ff05::2-fec0:0:0:10::1/require" \
# rtadvd -R "in ipsec ah/transport/ff05::2-fec0:0:0:10::1/require" \