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[OpenStack Infra <1826695@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/656105
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=78629e0d3780af4a8a8cc1b5b0762e0bc8a48f1f
Submitter: Zuul
Branch:    master

commit 78629e0d3780af4a8a8cc1b5b0762e0bc8a48f1f
Author: LIU Yulong <i@xxxxxxxxxxxx>
Date:   Wed Mar 27 08:40:31 2019 +0800

    Remove L3 IP QoS cache when router is down
    
    When router admin-state is down or removed, fip-qos and gateway-ip-qos
    extension should delete the router IPs' QoS rate limit cache. Then if
    the router is up again the router floating IPs QoS can be reconfigured.
    This patch achives these:
    1. make sure floating IP or gateway IP QoS cache removed.
    2. floating IP QoS can be re-configured to snat device when router
       doing admin_state down/up.
    
    Closes-Bug: #1826695
    Change-Id: I24fcecd9686ad17fa50093bb8bccab0d6c711298


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1826695

Title:
  [L3][QoS] cache does not removed when router is down or deleted

Status in neutron:
  Fix Released

Bug description:
  [L3][QoS] cache does not removed when router is down or deleted

  
  ENV: stable/queens (master has the same issue)

  When router is DOWN or deleted, the L3 IP QoS extensions (floating IP and gateway IP) should remove the QoS cache.
  Otherwise, if the router is UP again, the floating IP QoS rules may not set to the devices back because the bandwidth value does not change.

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