Created attachment 1067919 [details] server.log_exception Description of problem: User cannot create the GRE network under the Horizon with the maximum allowed Segmentation id (4294967295) How reproducible: Steps to Reproduce: 1. Open Horizon 2. Login as admin. 3. Go to the System->Networks page and click on Create Network 4. Under the Create Network form select: - Name: any - Project: any - Provider Network Type: GRE - Segmentation ID: 4294967294 5. Submit Create Netwrok form by clicking on Create Network button. Actual results: The error alert is displayed ("Error. Failed to create network") Expected results: GRE network should be created
Created attachment 1067920 [details] ksgen_settings.yml
In the ks_settings.yml I see CONFIG_NEUTRON_ML2_TUNNEL_ID_RANGES: 1:1000 which sets tunnel_id_ranges to ml2.conf. That means your maximal value is 1000 If closing this bug as NOTABUG. If you still see the issue after setting tunnel_id_ranges to 1:4294967294, feel free to re-open.