** Changed in: neutron
Status: New => Fix Released
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Engineering Team, which is subscribed to OpenStack Dashboard (Horizon).
https://bugs.launchpad.net/bugs/2116927
Title:
Horizon shows all prefix lengths when creating subnet from subnet pool
Status in OpenStack Dashboard (Horizon):
Fix Released
Status in neutron:
Fix Released
Bug description:
Greetings,
When creating a subnet from a subnet pool in Horizon 2024.2, the
"Network Mask" dropdown shows all possible IPv6 prefix lengths (/1 to
/128), despite the selected subnet pool having min_prefixlen,
max_prefixlen, and default_prefixlen all set to /64. Selecting any
prefix length other than /64 results in a permission denied error, as
expected.
In earlier versions of Horizon (e.g. Yoga), only valid prefix lengths within
the allowed range were shown in the UI, which was the correct behavior.
Also the default_prefixlen was shown as "(POOL DEFAULT)" next to the prefix
in earlier versions which I dont see in horizon 2024.2 anymore.
Subnet pool output which I used for testing:
openstack subnet pool show fe734292-7052-4954-b8ff-f8ebdbfd2b6d
+-------------------+--------------------------------------+
| Field | Value |
+-------------------+--------------------------------------+
| address_scope_id | 85880696-811e-4621-8128-2b8673a8e5a9 |
| created_at | 2025-05-09T11:26:43Z |
| default_prefixlen | 64 |
| default_quota | None |
| description | |
| id | fe734292-7052-4954-b8ff-f8ebdbfd2b6d |
| ip_version | 6 |
| is_default | True |
| max_prefixlen | 64 |
| min_prefixlen | 64 |
| name | provider_customer_v6 |
| prefixes | 2001:****/48 |
| project_id | 5c5858f4a7294f1eb64e50c0cf2470d6 |
| revision_number | 0 |
| shared | True |
| tags | |
| updated_at | 2025-05-09T11:26:43Z |
+-------------------+--------------------------------------+
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