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-rw-r--r--puppet/services/neutron-base.yaml10
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}