5 [ "$IFACE" != "lo" ] || exit 0
6 [ "$IFACE" != "--all" ] || exit 0
8 if [ -z "$IFACE" ]; then
9 echo "no interface specified" >&2
13 if [ ! -d /proc/sys/net/ipv6/conf/$IFACE ]; then
14 echo "specified interface does not exist in /proc/sys/net/ipv6/conf/" >&2
18 echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra