Merge pull request #1834 from sever-sever/T5007

T5007: Fix multicast implementation for the tunnel interfaces

1 files changed, 12 insertions, 0 deletions

diff --git a/python/vyos/ifconfig/tunnel.py b/python/vyos/ifconfig/tunnel.py
index 5258a2cb1..f776240a1 100644
--- a/python/vyos/ifconfig/tunnel.py
+++ b/python/vyos/ifconfig/tunnel.py
@@ -162,6 +162,15 @@ class TunnelIf(Interface):
         """ Get a synthetic MAC address. """
         return self.get_mac_synthetic()
 
+    def set_multicast(self):
+        """ Set multicast """
+        if self.config.get('multicast', 'disable') == 'enable':
+            cmd = 'ip link set dev {ifname} multicast on'
+        else:
+            cmd = 'ip link set dev {ifname} multicast off'
+
+        self._cmd(cmd.format(**self.config))
+
     def update(self, config):
         """ General helper function which works on a dictionary retrived by
         get_config_dict(). It's main intention is to consolidate the scattered
@@ -170,5 +179,8 @@ class TunnelIf(Interface):
         # Adjust iproute2 tunnel parameters if necessary
         self._change_options()
 
+        # Add multicast
+        self.set_multicast()
+
         # call base class first
         super().update(config)