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-rw-r--r--interface-definitions/interfaces-pppoe.xml.in3
-rwxr-xr-xsmoketest/scripts/cli/test_interfaces_pppoe.py53
-rwxr-xr-xsrc/conf_mode/interfaces-pppoe.py6
3 files changed, 51 insertions, 11 deletions
diff --git a/interface-definitions/interfaces-pppoe.xml.in b/interface-definitions/interfaces-pppoe.xml.in
index aa2965c65..cdecc6540 100644
--- a/interface-definitions/interfaces-pppoe.xml.in
+++ b/interface-definitions/interfaces-pppoe.xml.in
@@ -116,7 +116,7 @@
</leafNode>
<leafNode name="mru">
<properties>
- <help>Maximum Receive Unit (MRU)</help>
+ <help>Maximum Receive Unit (MRU) (default: MTU value)</help>
<valueHelp>
<format>u32:128-16384</format>
<description>Maximum Receive Unit in byte</description>
@@ -126,7 +126,6 @@
</constraint>
<constraintErrorMessage>MRU must be between 128 and 16384</constraintErrorMessage>
</properties>
- <defaultValue>1492</defaultValue>
</leafNode>
<leafNode name="no-peer-dns">
<properties>
diff --git a/smoketest/scripts/cli/test_interfaces_pppoe.py b/smoketest/scripts/cli/test_interfaces_pppoe.py
index 2aaccbb13..e46354aee 100755
--- a/smoketest/scripts/cli/test_interfaces_pppoe.py
+++ b/smoketest/scripts/cli/test_interfaces_pppoe.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2019-2020 VyOS maintainers and contributors
+# Copyright (C) 2019-2023 VyOS maintainers and contributors
#
# 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
@@ -58,13 +58,11 @@ class PPPoEInterfaceTest(VyOSUnitTestSHIM.TestCase):
user = 'VyOS-user-' + interface
passwd = 'VyOS-passwd-' + interface
mtu = '1400'
- mru = '1300'
self.cli_set(base_path + [interface, 'authentication', 'user', user])
self.cli_set(base_path + [interface, 'authentication', 'password', passwd])
self.cli_set(base_path + [interface, 'default-route', 'auto'])
self.cli_set(base_path + [interface, 'mtu', mtu])
- self.cli_set(base_path + [interface, 'mru', '9000'])
self.cli_set(base_path + [interface, 'no-peer-dns'])
# check validate() - a source-interface is required
@@ -72,11 +70,6 @@ class PPPoEInterfaceTest(VyOSUnitTestSHIM.TestCase):
self.cli_commit()
self.cli_set(base_path + [interface, 'source-interface', self._source_interface])
- # check validate() - MRU needs to be less or equal then MTU
- with self.assertRaises(ConfigSessionError):
- self.cli_commit()
- self.cli_set(base_path + [interface, 'mru', mru])
-
# commit changes
self.cli_commit()
@@ -88,7 +81,7 @@ class PPPoEInterfaceTest(VyOSUnitTestSHIM.TestCase):
tmp = get_config_value(interface, 'mtu')[1]
self.assertEqual(tmp, mtu)
tmp = get_config_value(interface, 'mru')[1]
- self.assertEqual(tmp, mru)
+ self.assertEqual(tmp, mtu)
tmp = get_config_value(interface, 'user')[1].replace('"', '')
self.assertEqual(tmp, user)
tmp = get_config_value(interface, 'password')[1].replace('"', '')
@@ -233,5 +226,47 @@ class PPPoEInterfaceTest(VyOSUnitTestSHIM.TestCase):
tmp = get_config_value(interface, 'host-uniq')[1]
self.assertEqual(tmp, f'"{host_uniq}"')
+ def test_pppoe_mtu_mru(self):
+ # Check if PPPoE dialer can be configured and runs
+ for interface in self._interfaces:
+ user = f'VyOS-user-{interface}'
+ passwd = f'VyOS-passwd-{interface}'
+ mtu = '1400'
+ mru = '1300'
+
+ self.cli_set(base_path + [interface, 'authentication', 'user', user])
+ self.cli_set(base_path + [interface, 'authentication', 'password', passwd])
+ self.cli_set(base_path + [interface, 'mtu', mtu])
+ self.cli_set(base_path + [interface, 'mru', '9000'])
+
+ # check validate() - a source-interface is required
+ with self.assertRaises(ConfigSessionError):
+ self.cli_commit()
+ self.cli_set(base_path + [interface, 'source-interface', self._source_interface])
+
+ # check validate() - MRU needs to be less or equal then MTU
+ with self.assertRaises(ConfigSessionError):
+ self.cli_commit()
+ self.cli_set(base_path + [interface, 'mru', mru])
+
+ # commit changes
+ self.cli_commit()
+
+ # verify configuration file(s)
+ for interface in self._interfaces:
+ user = f'VyOS-user-{interface}'
+ passwd = f'VyOS-passwd-{interface}'
+
+ tmp = get_config_value(interface, 'mtu')[1]
+ self.assertEqual(tmp, mtu)
+ tmp = get_config_value(interface, 'mru')[1]
+ self.assertEqual(tmp, mru)
+ tmp = get_config_value(interface, 'user')[1].replace('"', '')
+ self.assertEqual(tmp, user)
+ tmp = get_config_value(interface, 'password')[1].replace('"', '')
+ self.assertEqual(tmp, passwd)
+ tmp = get_config_value(interface, 'ifname')[1]
+ self.assertEqual(tmp, interface)
+
if __name__ == '__main__':
unittest.main(verbosity=2)
diff --git a/src/conf_mode/interfaces-pppoe.py b/src/conf_mode/interfaces-pppoe.py
index 49714c558..7434c5b3b 100755
--- a/src/conf_mode/interfaces-pppoe.py
+++ b/src/conf_mode/interfaces-pppoe.py
@@ -44,6 +44,12 @@ def get_config(config=None):
base = ['interfaces', 'pppoe']
pppoe = get_interface_dict(conf, base)
+ if 'deleted' not in pppoe:
+ # We always set the MRU value to the MTU size. This code path only re-creates
+ # the old behavior if MRU is not set on the CLI.
+ if 'mru' not in pppoe:
+ pppoe['mru'] = pppoe['mtu']
+
return pppoe
def verify(pppoe):