Merge pull request #1261 from c-po/t4319-disable-ipv6-equuleus

T4319: bugfixes for disabled IPv6 (equuleus)

1 files changed, 31 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_system_ipv6.py b/smoketest/scripts/cli/test_system_ipv6.py
index 3112d2e46..837d1dc12 100755
--- a/smoketest/scripts/cli/test_system_ipv6.py
+++ b/smoketest/scripts/cli/test_system_ipv6.py
@@ -17,7 +17,12 @@
 import unittest
 
 from base_vyostest_shim import VyOSUnitTestSHIM
+
+from vyos.template import is_ipv4
 from vyos.util import read_file
+from vyos.util import is_ipv6_enabled
+from vyos.util import get_interface_config
+from vyos.validate import is_intf_addr_assigned
 
 base_path = ['system', 'ipv6']
 
@@ -42,6 +47,14 @@ class TestSystemIPv6(VyOSUnitTestSHIM.TestCase):
         self.assertEqual(read_file(file_forwarding), '0')
 
     def test_system_ipv6_disable(self):
+        # Verify previous "enable" state
+        self.assertEqual(read_file(file_disable), '0')
+        self.assertTrue(is_ipv6_enabled())
+
+        loopbacks = ['127.0.0.1', '::1']
+        for addr in loopbacks:
+            self.assertTrue(is_intf_addr_assigned('lo', addr))
+
         # Do not assign any IPv6 address on interfaces, this requires a reboot
         # which can not be tested, but we can read the config file :)
         self.cli_set(base_path + ['disable'])
@@ -49,6 +62,24 @@ class TestSystemIPv6(VyOSUnitTestSHIM.TestCase):
 
         # Verify configuration file
         self.assertEqual(read_file(file_disable), '1')
+        self.assertFalse(is_ipv6_enabled())
+
+        for addr in loopbacks:
+            if is_ipv4(addr):
+                self.assertTrue(is_intf_addr_assigned('lo', addr))
+            else:
+                self.assertFalse(is_intf_addr_assigned('lo', addr))
+
+        # T4330: Verify MTU can be changed with IPv6 disabled
+        mtu = '1600'
+        eth_if = 'eth0'
+        self.cli_set(['interfaces', 'ethernet', eth_if, 'mtu', mtu])
+        self.cli_commit()
+
+        tmp = get_interface_config(eth_if)
+        self.assertEqual(tmp['mtu'], int(mtu))
+
+        self.cli_delete(['interfaces', 'ethernet', eth_if, 'mtu'])
 
     def test_system_ipv6_strict_dad(self):
         # This defaults to 1