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[Cedric Brandily <1451559@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The following scenario is not working:

#$ neutron subnetpool-create pool --pool-prefix 10.0.0.0/8 --default-prefixlen 24
#$ neutron net-create net
#$ neutron subnet-create net --name subnet0 10.0.0.0/24
#$ neutron subnet-create net --name subnet1--subnetpool pool
>>> returns a 409

Last command fails because neutron tries to allocate to subnet1 the 1st
unallocated cidr from 10.0.0.0/8 pool => 10.0.0.0/24 but subnet net as
already 10.0.0.0/24 as cidr (subnet0) and overlapping cidrs are
disallowed on the same network!

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-ipam-dhcp

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https://bugs.launchpad.net/bugs/1451559

Title:
  subnetpool allocation not working with multiples subnets on a unique
  network

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  The following scenario is not working:

  #$ neutron subnetpool-create pool --pool-prefix 10.0.0.0/8 --default-prefixlen 24
  #$ neutron net-create net
  #$ neutron subnet-create net --name subnet0 10.0.0.0/24
  #$ neutron subnet-create net --name subnet1--subnetpool pool
  >>> returns a 409

  Last command fails because neutron tries to allocate to subnet1 the
  1st unallocated cidr from 10.0.0.0/8 pool => 10.0.0.0/24 but subnet
  net as already 10.0.0.0/24 as cidr (subnet0) and overlapping cidrs are
  disallowed on the same network!

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