Harald Jensås e644e3dda9 Add MTU to neutron networks and nic-config templates ... Neutron has support[1] to set the guaranteed MTU for networks and network segments so that this is exposed to plug-ins. In interest of supporting the use of plug-ins to configure network devices in the future this change adds MTU property on neutron networks. The new (optional) property 'mtu' in the network defenitions in 'network_data.yaml' is used to control the MTU settings. By default the mtu is '1500'. We already configure the MTU on the ctlplane neutron networks, this adds the MTU to composable networks. Also update the nic-config sample templates to include mtu settings. A heat value resource is added to nic-config templates to get the required minimum viable MTU value for bridges, bonds and member interfaces to ensure the MTU is large enough to allow the largest configured MTU to traverse the path. Closes-Bug: #1790537 Change-Id: I11e38f82eb9040f77412fe8ad200fcc48031e2f8		2018-12-22 17:03:09 +01:00
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notes	Add MTU to neutron networks and nic-config templates	2018-12-22 17:03:09 +01:00
source	Update reno for stable/rocky	2018-08-24 14:44:49 +00:00