T9011: enable proxy_ndp sysctl for static IPv6 neighbor proxy

1 files changed, 90 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_protocols_static_neighbor-proxy.py b/smoketest/scripts/cli/test_protocols_static_neighbor-proxy.py
new file mode 100644
index 000000000..beed3156c
--- /dev/null
+++ b/smoketest/scripts/cli/test_protocols_static_neighbor-proxy.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+#
+# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import unittest
+
+from base_vyostest_shim import VyOSUnitTestSHIM
+
+from vyos.utils.system import sysctl_read
+from vyos.utils.process import cmd
+
+base_path = ['protocols', 'static', 'neighbor-proxy']
+interface = 'eth0'
+
+
+class TestProtocolsStaticNeighborProxy(VyOSUnitTestSHIM.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        super(TestProtocolsStaticNeighborProxy, cls).setUpClass()
+        cls.cli_delete(cls, base_path)
+
+    def tearDown(self):
+        self.cli_delete(base_path)
+        self.cli_commit()
+        super().tearDown()
+
+    def test_arp_proxy(self):
+        address = '192.0.2.1/24'
+        neighbor = '192.0.2.10'
+
+        self.cli_set(['interfaces', 'ethernet', interface, 'address', address])
+        self.cli_set(base_path + ['arp', neighbor, 'interface', interface])
+        self.cli_commit()
+
+        proxy_entries = cmd('ip -4 neigh show proxy')
+        self.assertIn(f'{neighbor} dev {interface} proxy', proxy_entries)
+
+        self.cli_delete(['interfaces', 'ethernet', interface, 'address', address])
+
+    def test_nd_proxy(self):
+        address = 'fd00::1/64'
+        neighbor = 'fd00::99'
+        interface2 = 'eth1'
+
+        self.cli_set(['interfaces', 'ethernet', interface, 'address', address])
+        # Add ND proxy on two interfaces
+        self.cli_set(base_path + ['nd', neighbor, 'interface', interface])
+        self.cli_set(base_path + ['nd', neighbor, 'interface', interface2])
+        self.cli_commit()
+
+        # Verify proxy entries are installed
+        proxy_entries = cmd('ip -6 neigh show proxy')
+        for iface in [interface, interface2]:
+            self.assertIn(f'{neighbor} dev {iface} proxy', proxy_entries)
+            # Verify proxy_ndp sysctl is enabled on both interfaces
+            self.assertEqual(
+                sysctl_read(['net', 'ipv6', 'conf', iface, 'proxy_ndp']), '1'
+            )
+
+        # Remove one interface
+        self.cli_delete(base_path + ['nd', neighbor, 'interface', interface2])
+        self.cli_commit()
+
+        # First interface still enabled
+        self.assertEqual(
+            sysctl_read(['net', 'ipv6', 'conf', interface, 'proxy_ndp']), '1'
+        )
+        # Removed interface disabled
+        self.assertEqual(
+            sysctl_read(['net', 'ipv6', 'conf', interface2, 'proxy_ndp']), '0'
+        )
+
+        self.cli_delete(['interfaces', 'ethernet', interface, 'address', address])
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2, failfast=VyOSUnitTestSHIM.TestCase.debug_on())