[neutron] Neutron OVN+QoS Support

Erlon Cruz sombrafam at gmail.com
Mon Nov 22 20:46:55 UTC 2021


Hi folks,

I have a question related to the Neutron supportability of OVN+QoS. I have
checked the config reference for both
Victoria and Xena[1]
<https://docs.openstack.org/neutron/xena/admin/config-qos.html>[2]
<https://docs.openstack.org/neutron/xena/admin/config-qos.html> and they
are shown as supported (bw limit, eggress/ingress), but I tried to set up
an env
with OVN+QoS but the rules are not being effective (VMs still download at
maximum speed). I double-checked
the configuration in the neutron API and it brings the QoS settings[3]
<https://gist.github.com/sombrafam/f8434c0505ed4dd3f912574e7ccebb82>[4]
<https://gist.github.com/sombrafam/785beb10f20439c4e50eb633f294ae82>[5]
<https://gist.github.com/sombrafam/b171a38d8cd16bd4dc77cfee3916dccd>, and
the versions[6]
<https://gist.github.com/sombrafam/5d098daa1df3f116d599c09c96eab173>[7]
<https://gist.github.com/sombrafam/d51102e3a32be5dc8ca03d7a23b6a998> I'm
using should support it.

What makes me more confused is that there's a document[8]
<https://docs.openstack.org/neutron/xena/ovn/gaps.html>[9]
<https://docs.openstack.org/neutron/victoria/ovn/gaps.html> with a gap
analysis of the OVN vs OVS QoS functionality
and the document *is* being updated over the releases, but it still shows
that QoS is not supported in OVN.

So, is there something I'm missing?

Erlon
_______________
[1] https://docs.openstack.org/neutron/victoria/admin/config-qos.html
[2] https://docs.openstack.org/neutron/xena/admin/config-qos.html
[3] QoS Config:
https://gist.github.com/sombrafam/f8434c0505ed4dd3f912574e7ccebb82
[4] neutron.conf:
https://gist.github.com/sombrafam/785beb10f20439c4e50eb633f294ae82
[5] ml2_conf.ini:
https://gist.github.com/sombrafam/b171a38d8cd16bd4dc77cfee3916dccd
[6] neutron-api-0 versions:
https://gist.github.com/sombrafam/5d098daa1df3f116d599c09c96eab173
[7] nova-compute-0 versions:
https://gist.github.com/sombrafam/d51102e3a32be5dc8ca03d7a23b6a998
[8] Gaps from ML2/OVS-OVN Xena:
https://docs.openstack.org/neutron/xena/ovn/gaps.html
[9] Gaps from ML2/OVS-OVN Victoria:
https://docs.openstack.org/neutron/victoria/ovn/gaps.html
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