Could you double check ? grep -r type_drivers /scratch/apps/stx-openstack/{app-version}-centos-stable-latest/charts/neutron/values.yaml ? it comes out like ‘type_drivers: flat,vlan,vxlan’, if not , you have to use helm command to override to include flat network. Thanks. BR Austin Sun. From: 钱江 <qianjiang@baicells.com> Sent: Thursday, October 31, 2019 4:12 PM To: Sun, Austin <austin.sun@intel.com>; starlingx-discuss <starlingx-discuss@lists.starlingx.io> Subject: 回复：[Starlingx-discuss] openstack network creation failure: Flat provider networks are disabled Hi, Austin Thanks for your warmhearted. Follow your suggestion, but I still get the same issue. [sysadmin@controller-0 ~(keystone_admin)]$ system datanetwork-add enp2s1 flat +--------------+--------------------------------------+ | Property | Value | +--------------+--------------------------------------+ | id | 3 | | uuid | 7b999f8b-05fe-4c44-9742-907e4551d9b7 | | name | enp2s1 | | network_type | flat | | mtu | 1500 | | description | None | +--------------+--------------------------------------+ [sysadmin@controller-0 ~(keystone_admin)]$ system datanetwork-list +--------------------------------------+----------+--------------+------+ | uuid | name | network_type | mtu | +--------------------------------------+----------+--------------+------+ | 7b999f8b-05fe-4c44-9742-907e4551d9b7 | enp2s1 | flat | 1500 | | 15eeb861-6910-4254-bb79-847bcbd88ed7 | physnet0 | vlan | 1500 | | ad22c935-51a9-4823-9b55-f18df57e5982 | physnet1 | vlan | 1500 | +--------------------------------------+----------+--------------+------+ controller-0:~$ openstack network create --share --external --provider-physical-network provider --provider-network-type flat provider Error while executing command: BadRequestException: 400, Invalid input for operation: Flat provider networks are disabled. When I tried type vlan as following, it directed different issue. controller-0:~$ openstack network create --share --external --provider-physical-network provider --provider-network-type vlan provider Error while executing command: BadRequestException: 400, Invalid input for operation: physical_network 'provider' unknown for VLAN provider network. ------------------------------------------------------------------ 发件人：Sun, Austin <austin.sun@intel.com<mailto:austin.sun@intel.com>> 发送时间：2019年10月31日(星期四) 15:23 收件人：钱江 <qianjiang@baicells.com<mailto:qianjiang@baicells.com>>; starlingx-discuss <starlingx-discuss@lists.starlingx.io<mailto:starlingx-discuss@lists.starlingx.io>> 主 题：Re: [Starlingx-discuss] openstack network creation failure: Flat provider networks are disabled Hi QianJiang: The default datanetwork in guide is vlan, you should change it to flat before openstack network create. system datanetwork-add ${PHYSNET0} flat Thanks. BR Austin Sun. From: 钱江 <qianjiang@baicells.com<mailto:qianjiang@baicells.com>> Sent: Thursday, October 31, 2019 2:42 PM To: starlingx-discuss <starlingx-discuss@lists.starlingx.io<mailto:starlingx-discuss@lists.starlingx.io>> Subject: [Starlingx-discuss] openstack network creation failure: Flat provider networks are disabled Hi, the community After installation of "Virtual All-in-one Simplex Installation R2.0<https://docs.starlingx.io/deploy_install_guides/r2_release/virtual/aio_simplex.html>", everything goes well except, controller-0:~$ openstack network create --share --external --provider-physical-network provider --provider-network-type flat provider Error while executing command: BadRequestException: 400, Invalid input for operation: Flat provider networks are disabled. Could anyone help to point out what's the issue, and how to fix it? Best Regard