Instances do not get IP from DHCP and cannot ping network:dhcp IP

Solution Verified - Updated -

Issue

  • Instances in network can not ping DHCP server
  • Instances can ping gateway and other instances
  • If an instance leaves a ping to the DHCP server running after 10 minutes it gets replies

Environment

  • Red Hat OpenStack Platform 4.0
  • Red Hat Enterprise Linux 6.5
  • Provider Networking (not VXLAN or GRE)

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