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Diffstat (limited to 'puppet/services/neutron-base.yaml')
| -rw-r--r-- | puppet/services/neutron-base.yaml | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/puppet/services/neutron-base.yaml b/puppet/services/neutron-base.yaml index 39ffea24..32d50d41 100644 --- a/puppet/services/neutron-base.yaml +++ b/puppet/services/neutron-base.yaml @@ -48,6 +48,18 @@ 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: 1496 + 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. The default value of 1496 is + currently in effect to compensate for some additional overhead when + deploying with some network configurations (e.g. network isolation over + single network interfaces) ServiceNetMap: default: {} description: Mapping of service_name -> network name. Typically set @@ -87,3 +99,4 @@ 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} |