summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--interface-definitions/interfaces-tunnel.xml.in19
-rwxr-xr-xsrc/conf_mode/interfaces-tunnel.py6
2 files changed, 25 insertions, 0 deletions
diff --git a/interface-definitions/interfaces-tunnel.xml.in b/interface-definitions/interfaces-tunnel.xml.in
index 3a4db6f09..273aa648e 100644
--- a/interface-definitions/interfaces-tunnel.xml.in
+++ b/interface-definitions/interfaces-tunnel.xml.in
@@ -177,6 +177,25 @@
<help>IPv4 specific tunnel parameters</help>
</properties>
<children>
+ <leafNode name="pmtu-discovery">
+ <properties>
+ <help>Path MTU Discovery parameters</help>
+ <completionHelp>
+ <list>disable enable</list>
+ </completionHelp>
+ <valueHelp>
+ <format>disable</format>
+ <description>Disable Path MTU Discovery for tunnel</description>
+ </valueHelp>
+ <valueHelp>
+ <format>enable</format>
+ <description>Enable Path MTU Discovery for tunnel (by default)</description>
+ </valueHelp>
+ <constraint>
+ <regex>^(disable|enable)$</regex>
+ </constraint>
+ </properties>
+ </leafNode>
<leafNode name="ttl">
<properties>
<help>Time to live field</help>
diff --git a/src/conf_mode/interfaces-tunnel.py b/src/conf_mode/interfaces-tunnel.py
index ffeb57784..f79405388 100755
--- a/src/conf_mode/interfaces-tunnel.py
+++ b/src/conf_mode/interfaces-tunnel.py
@@ -126,6 +126,11 @@ def verify(tunnel):
if 'source_interface' in tunnel:
verify_interface_exists(tunnel['source_interface'])
+ # ttl != 0 and nopmtudisc are incompatible
+ if 'pmtu_discovery' in tunnel['parameters']['ip']:
+ if 'disable' in tunnel['parameters']['ip']['pmtu_discovery'] and "0" not in tunnel['parameters']['ip']['ttl']:
+ raise ConfigError('ip ttl should be set to "0" with option "pmtu-discovery disable"')
+
def generate(tunnel):
return None
@@ -164,6 +169,7 @@ def apply(tunnel):
'local_ip' : 'local',
'remote_ip' : 'remote',
'source_interface' : 'dev',
+ 'parameters.ip.pmtu_discovery' : 'pmtud',
'parameters.ip.ttl' : 'ttl',
'parameters.ip.tos' : 'tos',
'parameters.ip.key' : 'key',