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-rw-r--r--data/templates/pppoe/peer.tmpl2
-rw-r--r--interface-definitions/interfaces-pppoe.xml.in14
-rwxr-xr-xsmoketest/scripts/cli/test_interfaces_pppoe.py13
-rwxr-xr-xsrc/conf_mode/interfaces-pppoe.py5
4 files changed, 31 insertions, 3 deletions
diff --git a/data/templates/pppoe/peer.tmpl b/data/templates/pppoe/peer.tmpl
index b681bea77..536d484de 100644
--- a/data/templates/pppoe/peer.tmpl
+++ b/data/templates/pppoe/peer.tmpl
@@ -50,7 +50,7 @@ ifname {{ ifname }}
ipparam {{ ifname }}
debug
mtu {{ mtu }}
-mru {{ mtu }}
+mru {{ mru }}
{% if authentication is defined %}
{{ 'user "' + authentication.user + '"' if authentication.user is defined }}
diff --git a/interface-definitions/interfaces-pppoe.xml.in b/interface-definitions/interfaces-pppoe.xml.in
index 581a8a59c..5e39ac65d 100644
--- a/interface-definitions/interfaces-pppoe.xml.in
+++ b/interface-definitions/interfaces-pppoe.xml.in
@@ -114,6 +114,20 @@
<leafNode name="mtu">
<defaultValue>1492</defaultValue>
</leafNode>
+ <leafNode name="mru">
+ <properties>
+ <help>Maximum Receive Unit (MRU)</help>
+ <valueHelp>
+ <format>u32:128-16384</format>
+ <description>Maximum Receive Unit in byte</description>
+ </valueHelp>
+ <constraint>
+ <validator name="numeric" argument="--range 128-16384"/>
+ </constraint>
+ <constraintErrorMessage>MRU must be between 128 and 16384</constraintErrorMessage>
+ </properties>
+ <defaultValue>1492</defaultValue>
+ </leafNode>
<leafNode name="no-peer-dns">
<properties>
<help>Do not use DNS servers provided by the peer</help>
diff --git a/smoketest/scripts/cli/test_interfaces_pppoe.py b/smoketest/scripts/cli/test_interfaces_pppoe.py
index 8dcac4d7d..2aaccbb13 100755
--- a/smoketest/scripts/cli/test_interfaces_pppoe.py
+++ b/smoketest/scripts/cli/test_interfaces_pppoe.py
@@ -58,11 +58,13 @@ 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
@@ -70,8 +72,13 @@ class PPPoEInterfaceTest(VyOSUnitTestSHIM.TestCase):
self.cli_commit()
self.cli_set(base_path + [interface, 'source-interface', self._source_interface])
- # commit changes
- self.cli_commit()
+ # 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:
@@ -80,6 +87,8 @@ 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)
tmp = get_config_value(interface, 'user')[1].replace('"', '')
self.assertEqual(tmp, user)
tmp = get_config_value(interface, 'password')[1].replace('"', '')
diff --git a/src/conf_mode/interfaces-pppoe.py b/src/conf_mode/interfaces-pppoe.py
index 6c4c6c95b..49714c558 100755
--- a/src/conf_mode/interfaces-pppoe.py
+++ b/src/conf_mode/interfaces-pppoe.py
@@ -59,6 +59,11 @@ def verify(pppoe):
if {'connect_on_demand', 'vrf'} <= set(pppoe):
raise ConfigError('On-demand dialing and VRF can not be used at the same time')
+ # both MTU and MRU have default values, thus we do not need to check
+ # if the key exists
+ if int(pppoe['mru']) > int(pppoe['mtu']):
+ raise ConfigError('PPPoE MRU needs to be lower then MTU!')
+
return None
def generate(pppoe):