1 files changed, 10 insertions, 0 deletions
diff --git a/packages/python-google-compute-engine/google_compute_engine/distro_lib/debian_8/utils.py b/packages/python-google-compute-engine/google_compute_engine/distro_lib/debian_8/utils.py
index f58e09d..7872d1b 100644
--- a/packages/python-google-compute-engine/google_compute_engine/distro_lib/debian_8/utils.py
+++ b/packages/python-google-compute-engine/google_compute_engine/distro_lib/debian_8/utils.py
@@ -31,8 +31,18 @@ class Utils(utils.Utils):
       logger: logger object, used to write to SysLog and serial port.
       dhclient_script: string, the path to a dhclient script used by dhclient.
     """
+    helpers.CallEnableRouteAdvertisements(interfaces, logger)
     helpers.CallDhclientIpv6(interfaces, logger)
 
+  def DisableIpv6(self, interfaces, logger):
+    """Disable Ipv6 by giving up the DHCP lease using dhclient.
+
+    Args:
+      interface: string, the output device names for enabling IPv6.
+      logger: logger object, used to write to SysLog and serial port.
+    """
+    helpers.CallDhclientIpv6(interfaces, logger, None, release_lease=True)
+
   def EnableNetworkInterfaces(self, interfaces, logger, dhclient_script=None):
     """Enable the list of network interfaces.