neutron/releasenotes/notes/gateway-rate-limit-905bee1e...

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---
features:
- |
A new attribute ``qos_policy_id`` is added to the L3 router
gateway.
* It enables users to associate QoS policies to L3 router gateways
to control the rate of transmission of the associated SNAT traffic.
* At the moment, only bandwidth limit rules are supported in the
QoS polices.
* To enable this feature, the ``qos`` service plugin has to be
configured in the Neutron server and the ``gateway_ip_qos``
extension has to be configured in the L3 agents. Please refer to
the ``QoS`` section of the ``OpenStack Networking Guide`` for more
specific details.