neutron/releasenotes/notes/relax-subnetpool-network-affinity-837c1fc28f835de5.yaml
Ryan Tidwell 32182010c2
Relax subnet pool network affinity constraints
This change relaxes the constraint that all subnets of the same
address family on a network must be allocated from the same subnet
pool. It allows subnets that share the same address scope to
co-exist on a network. If there is no address scope involved the
subnet pool / network affinity constraints continue to  enforced
as done previously.

Change-Id: I33bd17c723b3e8d409415bda008440f8ed9cfa68
Closes: 1830240
Implements: subnets-different-pools-same-net
2019-07-31 10:01:55 -05:00

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YAML

---
features:
- |
When different subnet pools participate in the same address scope, the
constraints disallowing subnets to be allocated from different pools on
the same network have been relaxed. As long as subnet pools participate
in the same address scope, subnets can now be created from different
subnet pools when multiple subnets are created on a network. When
address scopes are not used, subnets with the same ``ip_version`` on the
same network must still be allocated from the same subnet pool.
For more information, see bug
`1830240 <https://bugs.launchpad.net/neutron/+bug/1830240>`_.