Configuring neutron to use GRE tunnels for tenant networks after using packstack to install

Solution Verified - Updated -

Issue

  • After a multinode installation by packstack, neutron is misconfigured between the controller and the compute nodes. The traffic moves through the tap/trel interfaces, but stops on the br-int bridge.
  • It looks liek DHCP traffic simply doesn't go to the network node. How can we configure neutron to use GRE tunnels for tenant network traffic?

Environment

  • Red Hat Enterprise Linux OpenStack Platform 4.0

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