Merge "Add NeutronGlobalPhysnetMtu to neutron-base.yaml"

1 files changed, 10 insertions, 0 deletions

diff --git a/puppet/services/neutron-base.yaml b/puppet/services/neutron-base.yaml
index 39ffea24..4eb417c0 100644
--- a/puppet/services/neutron-base.yaml
+++ b/puppet/services/neutron-base.yaml
@@ -48,6 +48,15 @@ parameters:
     description: >
         Remove configuration that is not generated by TripleO. Setting
         to false may result in configuration remnants after updates/upgrades.
+  NeutronGlobalPhysnetMtu:
+    type: number
+    default: 1500
+    description: |
+        MTU of the underlying physical network. Neutron uses this value to
+        calculate MTU for all virtual network components. For flat and VLAN
+        networks, neutron uses this value without modification. For overlay
+        networks such as VXLAN, neutron automatically subtracts the overlay
+        protocol overhead from this value.
   ServiceNetMap:
     default: {}
     description: Mapping of service_name -> network name. Typically set
@@ -87,3 +96,4 @@ outputs:
         neutron::host: '"%{::fqdn}"'    #NOTE: extra quoting is needed
         neutron::db::database_db_max_retries: -1
         neutron::db::database_max_retries: -1
+        neutron::global_physnet_mtu: {get_param: NeutronGlobalPhysnetMtu}