Thank you Danny for pointing it out! I somehow missed it when going through doc. Read it again, test and looked into playbook. It seems that's not what I need.

[1] doesn't add multiple interfaces onto one bridge. It actually adds one interface onto one bridge, but there could be multiple pairs. This is also confirmed by playbook [2].

Also, the limitation of [3] is an issue for me.

Hopefully this can be supported in the future.

Thanks! Tony [1] https://docs.openstack.org/kolla-ansible/latest/reference/networking/neutron... [2] https://opendev.org/openstack/kolla-ansible/src/commit/5dbcbda4751f3ac401693... [3] https://docs.openstack.org/kolla-ansible/latest/reference/networking/neutron...

________________________________________ From: Danny Webb Danny.Webb@thehutgroup.com Sent: March 26, 2022 12:05 PM To: Tony Liu; openstack-discuss Subject: Re: [kolla-ansible] OVS br-ex configuration for OVN SNAT gateway along with HAProxy

https://github.com/openstack/kolla-ansible/blob/79a5bf2bbe6d8b3509ace56c887baba4c79e61d5/doc/source/reference/networking/neutron.rst#example-multiple-interfaces Hi Tony,

Multiple interfaces can be configured as follows:

https://github.com/openstack/kolla-ansible/blob/master/doc/source/reference/...

Danny ________________________________ From: Tony Liu tonyliu0592@hotmail.com Sent: 26 March 2022 05:02 To: openstack-discuss openstack-discuss@lists.openstack.org Subject: [kolla-ansible] OVS br-ex configuration for OVN SNAT gateway along with HAProxy

CAUTION: This email originates from outside THG

Hi,

My goal is to have OVN SNAT gateway (with OVS bridge) and HAProxy co-exist. Here is the networking configuration (partial) before deployment. eth1, no address, neutron_external_interface eth1.40, external address, kolla_external_vip_interface

After deployment, I'd like to see this. br-ex eth1 eth1.40 tag 40 eth1.40 with external address

But actually, only eth1 is put on br-ex by Kolla Ansible.

Need eth1.40 on br-ex, because the external network is also one of the provider networks. Need eth1 on br-ex, to support other provider networks (different VLANs). It works fine when deploy with TripleO with os-net-config.

Is it supported by Kolla Ansible? It seems Kolla Ansible only puts one interface (neutron_external_interface) on br-ex?

I know a few workarounds in case that's not supported, just want to confirm.

Thanks! Tony

Danny Webb Principal OpenStack Engineer The Hut Grouphttp://www.thehutgroup.com/

Tel: Email: Danny.Webb@thehutgroup.commailto:Danny.Webb@thehutgroup.com

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