Do not use openstack Native bridge name like [ br-int ] for overcloud Networks [ storage , internalApi etc ...)

Solution Verified - Updated -

Issue

  • After rebooting one of the controller nodes (say ctrl2), it loses network connectivity with the other two (ctrl1 & ctrl3), and starts it's own cluster , but system was accessable via ctplane provisioning network.
  • br-Int - bridge name was used in overcloud templates for InternalApi /storage communication ,this bridge name is native name used by openstack neutron services & will be managed by neutron after system boot & will create problem with communication .

Environment

  • Red Hat OpenStack Platform 7.0
  • Red Hat OpenStack Platform 8.0
  • Red Hat OpenStack Platform 9.0

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