Add default MTU for the VXLAN interface (#174)

F #4958: Add default MTU for VXLAN interfaces
OpenNebula · Dec 27, 2016 · 2f1a6b4 · 2f1a6b4
1 parent 7920843
commit 2f1a6b4
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diff --git a/src/vnm_mad/remotes/OpenNebulaNetwork.conf b/src/vnm_mad/remotes/OpenNebulaNetwork.conf
@@ -40,3 +40,5 @@
 :vxlan_mc: 239.0.0.0
 # Time To Live (TTL) should be > 1 in routed multicast networks (IGMP)
 :vxlan_ttl: 16
+# Default MTU for the VXLAN interface
+:vxlan_mtu: 1500
diff --git a/src/vnm_mad/remotes/vxlan/vxlan_driver.rb b/src/vnm_mad/remotes/vxlan/vxlan_driver.rb
@@ -45,7 +45,7 @@ def initialize(vm, xpath_filter = nil, deploy_id = nil)
     def create_vlan_dev
         mc  = VNMMAD::VNMNetwork::IPv4.to_i(CONF[:vxlan_mc]) + @nic[:vlan_id].to_i
         mcs = VNMMAD::VNMNetwork::IPv4.to_s(mc)
-        mtu = @nic[:mtu] ? "mtu #{@nic[:mtu]}" : ""
+        mtu = @nic[:mtu] ? "mtu #{@nic[:mtu]}" : "mtu #{CONF[:vxlan_mtu]}"
         ttl = CONF[:vxlan_ttl] ? "ttl #{CONF[:vxlan_ttl]}" : ""
 
         OpenNebula.exec_and_log("#{command(:ip)} link add #{@nic[:vlan_dev]}"\