Problem adding subnet to external network

Solution Unverified - Updated -


  • When adding an additional subnet to an ext-net that already has 5 subnets. Basically a: neutron subnet-create --name ext-subnet-5 --allocation-pool start=x.x.x.2,end=x.x.x.254 --disable-dhcp --gateway x.x.x.1 --dns-nameserver ext-net x.x.x.0/24
    -Receive the error message:
{"NeutronError": {"message": "No more IP addresses available on network aabbccdd-1234-1234-1234-aabbccbdd123.", "type": "IpAddressGenerationFailure", "detail": ""}}


  • Red Hat OpenStack 7
  • openstack-neutron-2015.1.0-1.el7.noarch

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