zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/pppd/scripts/ipv6-down.sample b/ap/app/pppd/scripts/ipv6-down.sample
new file mode 100644
index 0000000..bf31574
--- /dev/null
+++ b/ap/app/pppd/scripts/ipv6-down.sample
@@ -0,0 +1,31 @@
+#!/bin/sh
+#
+# This script is called with the following parameters:
+# interface tty speed local-address remote-address ipparam
+#
+
+
+# Kill the router advertisement daemon on this interface.
+# The killing procedure is copied from RedHat 6.0 initscripts.
+
+DEVICE="$1"
+
+PIDFILE="/var/run/radvd-$DEVICE.pid"
+
+[ -f "$PIDFILE" ] || exit 0
+
+PID="$(cat "$PIDFILE")"
+if [ "$PID" != "" ]; then
+ if ps h "$PID" >/dev/null 2>&1; then
+ kill -TERM "$PID"
+ usleep 10000
+ if ps h "$PID" >/dev/null 2>&1; then
+ sleep 1
+ if ps h "$PID" >/dev/null 2>&1; then
+ kill -KILL "$PID"
+ fi
+ fi
+ fi
+fi
+
+rm -f "$PIDFILE"